Hazard Plain Automated baseline

Los Angeles County, CA

Risk-assessment baseline packet

County FIPS:
06037
Release:
2026-10
Data as of:
2026-09-30
Storm Events data through:
2026-06-30

Hazard Plain is an independent product built from public federal data. It is not a FEMA document and is not reviewed or endorsed by FEMA or any state agency.

Hazard Plain release 2026-10, as of 2026-09-30.

Summary

Plan status as of 2026-09-30: Approved, expires 2030-09-15. Plan: Los Angeles County (FEMA plan 110878), approved 2025-09-16.

Since the plan was approved on 2025-09-16: no new hazard declaration and 61 NOAA Storm Events records; details under "What changed since your last plan".

Highest expected annual loss (FEMA National Risk Index, modeled total; see B1-a): Earthquake ($4,565,736,367 a year), Inland Flooding ($2,808,736,524) and Wildfire ($155,191,812).

The tables that follow are organized by the items of FEMA's Local Mitigation Plan Review Tool, Element B (B1-a to B2-c); each heading says which item its tables support.

Plan clock

Status:
Approved, expires 2030-09-15
Plan:
Los Angeles County (FEMA plan 110878)
Approved:
2025-09-16
Days to expiry:
1,446

What changed since your last plan (approved 2025-09-16)

New federal declarations:
none
Storm Events records since approval:
61 records (data through 2026-06-30)
Repetitive loss now:
FMA RL 2, SRL 43 (44 CFR 77.2); any definition: 463
Repeat-flood change:
this release sets the baseline count.

Sources: 1, 2, 4, 6 (numbered list at the end)

Plan status for every jurisdiction listed in this county: 127 rows, in the section "Plan clock: Plan status for every jurisdiction listed in this county" on the following pages.

State plan status and tribal plans in this state: see the state page.

Plan clock

Plan status for every jurisdiction listed in this county

Source: 1

JurisdictionTypeStatusPlanApprovedExpiresDays to expirynegative = days since expiryUpdate underwayNotes
Los Angeles CountyCountyApproved, expires 2030-09-15Los Angeles County (FEMA plan 110878)2025-09-162030-09-151,446
Agoura Hills cityCityApproved, expires 2029-08-12Las Virgenes Malibu Council of Governments (FEMA plan 110094)2024-08-132029-08-121,047this jurisdiction approved 2024-09-10
Alhambra cityCityApproved, expires 2031-03-17Alhambra, City of (FEMA plan 111306)2026-03-182031-03-171,629
Arcadia cityCityApproved, expires 2027-05-10Arcadia, City of (FEMA plan 107553)2022-05-112027-05-10222
Artesia cityCityExpired on 2025-11-29Artesia, City of (FEMA plan 106630)2020-11-302025-11-29-305
Avalon cityCityNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Azusa cityCityExpired on 2024-11-03Azusa, City of (FEMA plan 105677)2019-11-042024-11-03-696
Bell cityCityApproved, expires 2031-07-27Bell, City of (FEMA plan 111868)2026-07-282031-07-271,761
Bellflower cityCityNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Beverly Hills cityCityApproved, expires 2031-01-08Beverly Hills, City of (FEMA plan 111308)2026-01-092031-01-081,561this jurisdiction approved 2026-01-06
Bradbury cityCityApproved, expires 2030-04-14Bradbury, City of (FEMA plan 110325)2025-04-152030-04-141,292
Burbank cityCityApproved, expires 2028-04-06Burbank, City of (FEMA plan 108721)2023-04-072028-04-06554
Calabasas cityCityApproved, expires 2029-08-12Las Virgenes Malibu Council of Governments (FEMA plan 110094)2024-08-132029-08-121,047this jurisdiction approved 2024-09-17
Carson cityCityApproved, expires 2030-09-25Carson, City of (FEMA plan 110453)2025-09-262030-09-251,456
Cerritos cityCityApproved, expires 2028-04-17Cerritos, City of (FEMA plan 108848)2023-04-182028-04-17565
Claremont cityCityApproved, expires 2027-03-07Claremont, City of (FEMA plan 107926)2022-03-082027-03-07158
Compton cityCityApproved, expires 2028-04-17Compton, City of (FEMA plan 108881)2023-04-182028-04-17565
Covina cityCityExpired on 2025-11-09Covina, City of (FEMA plan 106733)2020-11-102025-11-09-325
Cudahy cityCityExpired on 2023-12-09Cudahy, City of (FEMA plan 104677)2018-12-102023-12-09-1,026
Culver City cityCityApproved, expires 2029-08-28Culver City, City of (FEMA plan 109852)2024-08-292029-08-281,063
Diamond Bar cityCityApproved, expires 2027-08-15Diamond Bar, City of (FEMA plan 108117)2022-08-162027-08-15319
Downey cityCityApproved, expires 2030-04-14Downey, City of (FEMA plan 110299)2025-04-152030-04-141,292
Duarte cityCityApproved, expires 2031-01-27Duarte, City of (FEMA plan 111391)2026-01-282031-01-271,580
El Monte cityCityExpired on 2022-06-13El Monte, City of (FEMA plan 102498)2017-06-142022-06-13-1,570
El Segundo cityCityApproved, expires 2030-12-18El Segundo, City of (FEMA plan 111340)2025-12-192030-12-181,540
Gardena cityCityApproved, expires 2029-10-23Gardena, City of (FEMA plan 109925)2024-10-242029-10-231,119
Glendale cityCityExpired on 2024-10-27Glendale, City of (FEMA plan 105982)2019-10-282024-10-27-703
Glendora cityCityApproved, expires 2031-02-10Glendora, City of (FEMA plan 111161)2026-02-112031-02-101,594
Hawaiian Gardens cityCityExpired on 2010-06-23Hawaiian Gardens, City of (FEMA plan 81251)2005-06-232010-06-23-5,943
Hawthorne cityCityExpired on 2025-04-15Hawthorne, City of (FEMA plan 106380)2020-04-162025-04-15-533
Hermosa Beach cityCityApproved, expires 2030-06-18Hermosa Beach, City of (FEMA plan 110509)2025-06-192030-06-181,357
Hidden Hills cityCityApproved, expires 2029-08-12Las Virgenes Malibu Council of Governments (FEMA plan 110094)2024-08-132029-08-121,047
Industry cityCityExpired on 2010-05-10Industry, City of (FEMA plan 81259)2005-05-102010-05-10-5,987
Inglewood cityCityApproved, expires 2028-04-17Inglewood, City of (FEMA plan 108854)2023-04-182028-04-17565
Irwindale cityCityExpired on 2019-04-30Irwindale, City of (FEMA plan 81262)2014-04-302019-04-30-2,710
La Cañada Flintridge cityCityApproved, expires 2029-10-22La Canada Flintridge, City of (FEMA plan 110072)2024-10-232029-10-221,118this jurisdiction approved 2024-10-22
La Habra Heights cityCityApproved, expires 2027-05-19La Habra Heights, City of (FEMA plan 107925)2022-05-202027-05-19231
La Mirada cityCityApproved, expires 2028-02-22La Mirada, City of (FEMA plan 108544)2023-02-232028-02-22510
La Puente cityCityApproved, expires 2031-02-22La Puente, City of (FEMA plan 111363)2026-02-232031-02-221,606
La Verne cityCityNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Lakewood cityCityApproved, expires 2031-02-19Lakewood, City of (FEMA plan 111365)2026-02-202031-02-191,603
Lancaster cityCityApproved, expires 2030-04-14Lancaster, City of (FEMA plan 110415)2025-04-152030-04-141,292
Lawndale cityCityExpired on 2021-09-01Lawndale, City of (FEMA plan 81278)2016-09-012021-09-01-1,855
Lomita cityCityApproved, expires 2031-02-17Lomita, City of (FEMA plan 111451)2026-02-182031-02-171,601
Long Beach cityCityApproved, expires 2028-03-01Long Beach, City of (FEMA plan 108841)2023-03-022028-03-01518
Los Angeles cityCityApproved, expires 2029-09-24Los Angeles, City of (FEMA plan 110067)2024-09-252029-09-241,090this jurisdiction approved 2024-09-24
Lynwood cityCityExpired on 2026-02-18Lynwood, City of (FEMA plan 107033)2021-02-192026-02-18-224
Malibu cityCityApproved, expires 2029-08-12Las Virgenes Malibu Council of Governments (FEMA plan 110094)2024-08-132029-08-121,047this jurisdiction approved 2024-09-17
Manhattan Beach cityCityApproved, expires 2030-02-02Manhattan Beach, City of (FEMA plan 109805)2025-02-032030-02-021,221
Maywood cityCityApproved, expires 2031-02-25Maywood, City of (FEMA plan 111452)2026-02-262031-02-251,609
Monrovia cityCityApproved, expires 2031-05-07Monrovia, City of (FEMA plan 111788)2026-05-082031-05-071,680
Montebello cityCityApproved, expires 2030-09-03Montebello, City of (FEMA plan 110606)2025-09-042030-09-031,434
Monterey Park cityCityApproved, expires 2030-05-11Monterey Park, City of (FEMA plan 110683)2025-05-122030-05-111,319
Norwalk cityCityApproved, expires 2027-01-31Norwalk, City of (FEMA plan 107839)2022-02-012027-01-31123
Palmdale cityCityApproved, expires 2027-11-17Palmdale, City of (FEMA plan 108318)2022-11-182027-11-17413
Palos Verdes Estates cityCityApproved, expires 2031-06-11Palos Verdes Peninsula (FEMA plan 111978)2026-06-122031-06-111,715
Paramount cityCityApproved, expires 2028-04-17Paramount, City of (FEMA plan 108868)2023-04-182028-04-17565
Pasadena cityCityApproved, expires 2031-02-01Pasadena, City of (FEMA plan 110993)2026-02-022031-02-011,585
Pico Rivera cityCityApproved, expires 2030-11-18Pico Rivera, City of (FEMA plan 111026)2025-11-192030-11-181,510
Pomona cityCityApproved, expires 2028-03-07Pomona, City of (FEMA plan 108422)2023-03-082028-03-07524
Rancho Palos Verdes cityCityApproved, expires 2031-06-11Palos Verdes Peninsula (FEMA plan 111978)2026-06-122031-06-111,715
Redondo Beach cityCityExpired on 2025-09-10Redondo Beach, City of (FEMA plan 106515)2020-09-112025-09-10-385
Rolling Hills cityCityApproved, expires 2031-06-11Palos Verdes Peninsula (FEMA plan 111978)2026-06-122031-06-111,715
Rolling Hills Estates cityCityApproved, expires 2031-06-11Palos Verdes Peninsula (FEMA plan 111978)2026-06-122031-06-111,715
Rosemead cityCityApproved, expires 2029-11-13Rosemead, City of (FEMA plan 110206)2024-11-142029-11-131,140this jurisdiction approved 2024-11-13
San Dimas cityCityExpired on 2015-05-10San Dimas, City of (FEMA plan 81423)2010-05-102015-05-10-4,161
San Fernando cityCityApproved, expires 2026-10-25San Fernando, City of (FEMA plan 107570)2021-10-262026-10-2525
San Marino cityCityApproved, expires 2030-04-14San Marino, City of (FEMA plan 110424)2025-04-152030-04-141,292
Santa Clarita cityCityApproved, expires 2026-11-11Santa Clarita, City of (FEMA plan 107777)2021-11-122026-11-1142FEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Santa Fe Springs cityCityApproved, expires 2030-12-01Santa Fe Springs, City of (FEMA plan 111134)2025-12-022030-12-011,523
Santa Monica cityCityApproved, expires 2031-04-29Santa Monica, City of (FEMA plan 111786)2026-04-302031-04-291,672
Sierra Madre cityCityApproved, expires 2031-01-27Sierra Madre, City of (FEMA plan 111371)2026-01-282031-01-271,580
Signal Hill cityCityApproved, expires 2030-09-17Signal Hill, City of (FEMA plan 110964)2025-09-182030-09-171,448
South El Monte cityCityApproved, expires 2026-12-27South El Monte, City of (FEMA plan 107684)2021-12-282026-12-2788
South Gate cityCityApproved, expires 2029-11-10South Gate, City of (FEMA plan 109973)2024-11-112029-11-101,137
South Pasadena cityCityApproved, expires 2030-04-14South Pasadena, City of (FEMA plan 109743)2025-04-152030-04-141,292
Temple City cityCityExpired on 2021-09-27Temple City, City of (FEMA plan 81457)2016-09-272021-09-27-1,829
Torrance cityCityApproved, expires 2029-06-11Torrance, City of (FEMA plan 109602)2024-06-122029-06-11985
Vernon cityCityApproved, expires 2028-04-17Vernon, City of (FEMA plan 108857)2023-04-182028-04-17565
Walnut cityCityApproved, expires 2031-05-03Walnut, City of (FEMA plan 111782)2026-05-042031-05-031,676
West Covina cityCityExpired on 2010-04-15West Covina, City of (FEMA plan 81470)2005-04-152010-04-15-6,012
West Hollywood cityCityApproved, expires 2029-07-14West Hollywood, City of (FEMA plan 109853)2024-07-152029-07-141,018
Westlake Village cityCityApproved, expires 2029-08-12Las Virgenes Malibu Council of Governments (FEMA plan 110094)2024-08-132029-08-121,047this jurisdiction approved 2024-09-17
Whittier cityCityApproved, expires 2031-06-29Whittier, City of (FEMA plan 111867)2026-06-302031-06-291,733
Burbank Unified School DistrictSchool/School DistrictExpired on 2025-08-11Burbank Unified School District (FEMA plan 106413)2020-08-122025-08-11-415
Culver City Unified School DistrictSchool/School DistrictApproved, expires 2029-08-28Culver City, City of (FEMA plan 109852)2024-08-292029-08-281,063
Little Lake City Elementary School DistrictSchool/School DistrictExpired on 2010-03-21Little Lake City School District (FEMA plan 81279)2005-03-212010-03-21-6,037
Los Angeles Unified School DistrictSchool/School DistrictApproved, expires 2030-09-21Los Angeles Unified School District (FEMA plan 110957)2025-09-222030-09-211,452
Newhall Elementary School DistrictSchool/School DistrictExpired on 2010-11-02Newhall School District (FEMA plan 81334)2005-11-022010-11-02-5,811
Rosemead Elementary School DistrictSchool/School DistrictExpired on 2010-11-03Rosemead School District (FEMA plan 81393)2005-11-032010-11-03-5,810
Walnut Valley Unified School DistrictSchool/School DistrictApproved, expires 2031-05-03Walnut, City of (FEMA plan 111782)2026-05-042031-05-031,676this jurisdiction approved 2026-06-05
Whittier Union High School DistrictSchool/School DistrictExpired on 2019-05-06Whittier Union High School District (FEMA plan 81474)2014-05-062019-05-06-2,704
Name not given in FEMA data (ID R09_202795)School/School DistrictExpired on 2011-10-02Las Virgenes Unified School District (FEMA plan 81276)2006-10-022011-10-02-5,477
Name not given in FEMA data (ID R09_202796)School/School DistrictExpired on 2013-11-17Glendora Unified School District (FEMA plan 81248)2008-11-172013-11-17-4,700
Name not given in FEMA data (ID R09_202798)School/School DistrictExpired on 2012-02-05Lawndale Elementary School District (FEMA plan 81277)2007-02-052012-02-05-5,351
Name not given in FEMA data (ID R09_202799)School/School DistrictExpired on 2010-07-14Long Beach Unified School District (FEMA plan 81282)2005-07-142010-07-14-5,922
Name not given in FEMA data (ID R09_202812)School/School DistrictExpired on 2023-07-12Palos Verdes Peninsula Unified School District (FEMA plan 102069)2018-07-132023-07-12-1,176
Name not given in FEMA data (ID R09_202813)School/School DistrictExpired on 2010-04-21Paramount Unified School District (FEMA plan 81367)2005-04-212010-04-21-6,006
Name not given in FEMA data (ID R09_202820)School/School DistrictExpired on 2010-10-26Santa Monica-Malibu Unified School District (FEMA plan 80943)2005-10-262010-10-26-5,818
Abalone Cove Landslide Abatement DistrictSpecial DistrictApproved, expires 2031-06-11Palos Verdes Peninsula (FEMA plan 111978)2026-06-122031-06-111,715this jurisdiction approved 2026-07-22
Antelope Valley Transit AuthorityTransit/AirportExpired on 2022-10-29Antelope Valley Transit Authority (FEMA plan 104554)2017-10-302022-10-29-1,432
Beach Cities Health DistrictSpecial DistrictApproved, expires 2030-06-26Beach Cities Health District (FEMA plan 110925)2025-06-272030-06-261,365
Bellflower-Somerset Mutual Water CompanyWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06
Crescenta Valley Water DistrictWater/Sewer AuthorityApproved, expires 2026-11-11Crescenta Valley Water District (FEMA plan 107778)2021-11-122026-11-1142
Kinneloa Irrigation DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06
Klondike Canyon Geologic Hazard Abatement DistrictSpecial DistrictApproved, expires 2031-06-11Palos Verdes Peninsula (FEMA plan 111978)2026-06-122031-06-111,715this jurisdiction approved 2026-07-22
La Habra Heights County Water DistrictWater/Sewer AuthorityApproved, expires 2027-03-09La Habra Heights County Water District (FEMA plan 107686)2022-03-102027-03-09160FEMA tracker shows a plan in review
La Puente Valley County Water DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06
Las Virgenes Municipal Water DistrictWater/Sewer AuthorityApproved, expires 2031-01-25Las Virgenes Municipal Water District (FEMA plan 111307)2026-01-262031-01-251,578this jurisdiction approved 2026-01-21
Los Angeles County Office of EducationSchool/School DistrictNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Metropolitan Transportation AuthorityTransit/AirportApproved, expires 2028-01-24Los Angeles County Metropolitan Transportation Authority (FEMA plan 108157)2023-01-252028-01-24481
Metropolitan Water District of Southern CaliforniaWater/Sewer AuthorityApproved, expires 2031-06-09Metropolitan Water District of Southern California (FEMA plan 111783)2026-06-102031-06-091,713
Mount San Antonio Community College DistrictCollege/UniversityPlan 111782 approved 2026-05-04, pending adoption here; not yet eligibleWalnut, City of (FEMA plan 111782), pending adoption here2026-05-04 by FEMA; not yet adopted here2031-05-03 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Mountains Recreation and Conservation AuthorityConservation DistrictApproved, expires 2027-10-13Mountains Recreation and Conservation Authority (FEMA plan 108255)2022-10-142027-10-13378
Orchard Dale Water DistrictWater/Sewer AuthorityApproved, expires 2029-06-04Orchard Dale Water District (FEMA plan 109699)2024-06-052029-06-04978
Palmdale Water DistrictWater/Sewer AuthorityApproved, expires 2027-06-14Palmdale Water District (FEMA plan 108319)2022-06-152027-06-14257
Pico Water DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06
Rio Hondo College DistrictCollege/UniversityExpired on 2016-11-23Rio Hondo College District (FEMA plan 81390)2011-11-232016-11-23-3,598
Rowland Water DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476
San Gabriel County Water DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06
Santa Clarita Valley Water AgencyWater/Sewer AuthorityApproved, expires 2028-01-13Santa Clarita Valley Water Agency (FEMA plan 108546)2023-01-142028-01-13470
Santa Monica CollegeCollege/UniversityExpired on 2010-10-26Santa Monica-Malibu Unified School District (FEMA plan 80943)2005-10-262010-10-26-5,818
South Montebello Irrigation DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06
Three Valleys Municipal Water DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06
University of Southern CaliforniaCollege/UniversityExpired on 2012-03-22University of Southern California (FEMA plan 81463)2007-03-222012-03-22-5,305
Valley County Water DistrictWater/Sewer AuthorityExpired on 2026-05-13Valley County Water District (FEMA plan 106954)2021-05-142026-05-13-140
Walnut Valley Water DistrictWater/Sewer AuthorityApproved, expires 2030-10-15Rowland Water District (FEMA plan 111107)2025-10-162030-10-151,476this jurisdiction approved 2026-01-06

FEMA plan data lists 7 school district rows with no name (FEMA IDs only) and 8 named school districts. FEMA files some districts under two ID schemes on different plans, so a named district's 'No approved plan on record' can sit beside an unnamed row that has a plan.

Supports FEMA checklist item B1-a: hazard identification

Hazards NRI does not cover (local data needed)

  • dam failure (incl. upstream dams)
  • levee failure
  • flash flood as its own subtype
  • ice jams
  • debris flows
  • erosion (riverine and coastal)
  • land subsidence and sinkholes
  • expansive soils

The 18 National Risk Index hazards, ranked by expected annual loss (EAL)

Sources: 5, 6

Rank by EALHazardNRI risk ratingEAL ratingEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearCost of expected deaths and injuriesFEMA's dollar value per year, not property damageEAL total (see note)modeled dollars per yearStorm Events records, 1996 to 2026-06-30countStorm Events coverage note
1EarthquakeVery HighVery High$2,972,262,045n/a$1,593,474,322$4,565,736,367Storm Events does not record earthquakes.
2Inland FloodingVery HighVery High$2,801,568,294$193,917$6,974,313$2,808,736,524247
3WildfireVery HighVery High$148,555,890$2,331$6,633,591$155,191,81257
4Heat WaveRelatively HighRelatively High$14,770$18,208$36,723,569$36,756,5478
5TornadoRelatively HighRelatively High$12,948,146$525$5,357,244$18,305,91418
6Coastal FloodingRelatively HighRelatively High$5,184,029n/a$1,765$5,185,7932
7TsunamiRelatively LowRelatively Low$3,256,310n/a$0$3,256,3100No recorded events in Storm Events since 1996 (data through 2026-06-30).
8LightningVery HighRelatively High$22,823n/a$2,103,929$2,126,75210
9HailRelatively ModerateRelatively Moderate$1,952,700$187$21,191$1,974,07823
10AvalancheRelatively HighRelatively Moderate$50n/a$1,826,667$1,826,7171
11LandslideRelatively HighRelatively High$434,121n/a$1,098,458$1,532,57826
12Strong WindRelatively ModerateRelatively Moderate$129,497$1,117$840,761$971,376380Includes 292 High Wind and 6 Strong Wind records (NOAA non-thunderstorm wind types, outside NRI's Strong Wind definition).
13Winter WeatherRelatively ModerateRelatively Moderate$1,540under $1$140,388$141,928107
14DroughtRelatively LowRelatively Lown/a$79,529n/a$79,5290No recorded events in Storm Events since 1996 (data through 2026-06-30).
15Cold WaveVery LowVery Low$130$115$23,904$24,1492Includes 2 Frost/Freeze records (outside NRI's Cold Wave definition; counted in this table and in B1-d, not in the B1-e descriptor).
16HurricaneNo RatingNo Expected Annual Losses$0$0$0$01
Ice StormNot ApplicableNot Applicable0Declared 1 time; no Storm Events record of this type.

Total = buildings + agriculture + population equivalence; FEMA values each expected death (or 10 injuries) at $13.7 million (2024 dollars).

NRI risk rating combines expected annual loss with social vulnerability and community resilience; EAL rating rates expected annual loss alone. Both compare this county with all U.S. counties.

Local data needed: state and local tsunami records (Storm Events records this hazard only in part).

Not applicable to this county per NRI, with no federal declaration and no Storm Events record since 1996: volcanic activity. That is the evidence for leaving them out of the plan.

The state hazard mitigation plan also lists hazards for this county; FEMA asks the plan to explain any hazard it leaves out.

Supports FEMA checklist item B1-b: hazard location

Affects the whole county (national data give no location within it): Cold Wave, Drought, Hail, Heat Wave, Ice Storm, Lightning, Strong Wind and Winter Weather.

Coastal Flooding and Inland Flooding: The FEMA Flood Insurance Rate Map (FIRM) is the required location source for flooding. See the FEMA Flood Map Service Center (https://msc.fema.gov) for this county.

Hazards that vary within the county: highest-rated census tracts

Source: 5

HazardHighest-rated census tractsNRI risk rating, score 0 to 100
Avalanchetract 9012.09 (Relatively Moderate, 90.8); tract 9200.50 (Relatively Moderate, 89.5); tract 9110.01 (Relatively Moderate, 89.4)
Earthquaketract 9800.16 (Very High, 100.0); tract 9800.35 (Very High, 100.0); tract 4024.04 (Very High, 100.0)
Hurricaneno tract has a National Risk Index rating for this hazard
Landslidetract 9304 (Relatively High, 99.8); tract 9108.15 (Relatively High, 99.7); tract 9201.02 (Relatively High, 99.7)
Tornadotract 9800.35 (Relatively Moderate, 67.0); tract 9800.16 (Relatively Moderate, 60.9); tract 5323.03 (Relatively Low, 48.7)
Tsunamitract 9800.33 (Relatively Moderate, 90.6); tract 5775.01 (Relatively Moderate, 86.3); tract 9800.31 (Relatively Moderate, 86.0)
Wildfiretract 9108.14 (Very High, 99.9); tract 9201.06 (Very High, 99.9); tract 4002.05 (Very High, 99.9)

Up to 3 census tracts per hazard, highest National Risk Index rating first, then highest score; a tract number is the Census tract number (for example 9012.09 is Census Tract 9012.09). FEMA's Resilience Analysis and Planning Tool maps the National Risk Index for every tract: https://www.fema.gov/emergency-managers/practitioners/resilience-analysis-and-planning-tool

Supports FEMA checklist item B1-c: hazard extent

Extent: scale, observed range and worst recorded event per hazard

Sources: 6, 7

HazardScaleRecordscount and yearsObserved rangeWorst recorded eventMost damaging (when different)How it applies to jurisdictionsNote
Avalanchenone (count and damage only)1 record, 2008 (1 zone-level)No damage reported in 1 record.Countywide (zone-level records).
Coastal Flood, Storm Surge/Tidenone in data (flood depth: FIRM)2 records, 1997 to 2005 (1 zone-level)No damage reported in 2 records.Event records naming jurisdictions in the plan: Redondo Beach city (1 record). Zone-level records (1) apply countywide.Flood depth: see the FEMA Flood Insurance Rate Map.
Cold/Wind Chill, Extreme Cold/Wind Chillwind chill0
Frost/Freeze (outside NRI's Cold Wave definition)crop damage2 records, 1998 to 2007 (1 zone-level)Frost/Freeze, 2007-01-13, $6,000,000 crop damage (2007 dollars); NWS zone CAZ088No event record names a jurisdiction in the plan. Zone-level records (1) apply countywide.
DroughtU.S. Drought Monitor scale (D0 to D4)0Storm Events enters a drought at D2 or worse east of the Rockies and D3 or worse from the Rockies west (NWS Instruction 10-1605); NRI drought counts D3 and D4 only.
EarthquakeModified Mercalli (local data)0Storm Events does not record earthquakes; the USGS earthquake catalog is the source.
Hailhail size (inches)30 records, 1959 to 20240.5 in to 1.75 in (median 1 in); 29 with a recorded value1.75 in hail, 2015-10-15; same size also recorded on 1984-08-22Hail, 2003-11-12, $3,500,000 property; crops not reported (2003 dollars)Event records naming jurisdictions in the plan: Palmdale city (3 records), Azusa city (2 records), Compton city (1 record), Downey city (1 record), Duarte city (1 record), El Monte city (1 record), Lancaster city (1 record), Pasadena city (1 record), San Fernando city (1 record), Walnut city (1 record).
Excessive Heat, Heatheat index (in event narratives)8 records, 1997 to 2008 (8 zone-level)1 day to 5 days (median 4 days); 5 with a recorded value5 consecutive days, 2007-08-30 to 2007-09-03, 8 direct deaths, zone-levelCountywide (zone-level records).
Hurricane, Tropical Storm, Tropical DepressionSaffir-Simpson1 record, 1997 (1 zone-level)Strongest recorded: Tropical Storm record, 1997-09-25, damage not reported; NWS zone CAZ041Countywide (zone-level records).Storm Events files every zone of a storm's episode under the storm's type; flooding from the storm is filed as Flood or Flash Flood records.
Ice StormSperry-Piltz ice scale (local data)0
Flash Flood, Flood, Lakeshore Flooddamage and flood days (flood depth: FIRM)247 records, 1998 to 2026 (3 zone-level)Flash Flood, 2010-01-19, $0 property; $3,200,000 crops (2010 dollars)Event records naming jurisdictions in the plan: Glendora city (13 records), Palmdale city (11 records), Carson city (6 records), Azusa city (5 records), Long Beach city (5 records), Los Angeles city (4 records), Arcadia city (3 records), Lancaster city (3 records), Claremont city (2 records), Compton city (2 records); and 18 more jurisdictions (see the Excel file). Zone-level records (3) apply countywide.Flood depth: see the FEMA Flood Insurance Rate Map. Storm Events damage is often $0 or blank for floods, major ones included; FEMA Public Assistance by declaration (B1-d) shows which floods cost the most.
Debris Flownone (count and damage only)26 records, 2004 to 2026 (2 zone-level)No damage reported in 26 records.Event records naming jurisdictions in the plan: Duarte city (1 record), La Mirada city (1 record), Malibu city (1 record), West Hollywood city (1 record). Zone-level records (2) apply countywide.
Lightningannualized frequency (the measure FEMA's Local Mitigation Planning Handbook names)10 records, 1996 to 2022Lightning, 2014-07-27, $0 property; $0 crops (2014 dollars), 1 direct death, 8 direct injuriesEvent records naming jurisdictions in the plan: Palmdale city (2 records), Calabasas city (1 record), Duarte city (1 record), South Pasadena city (1 record), West Covina city (1 record).Storm Events lists lightning with damage or casualties.
High Wind and Strong Wind (outside NRI's Strong Wind definition)wind speed (kt and mph)298 records, 1996 to 2026 (294 zone-level)37 kt (43 mph) to 97 kt (112 mph) (median 61 kt (70 mph)); 293 with a recorded value97 kt (112 mph) measured gust, High Wind, 2023-01-26; NWS zone CAZ054Event records naming jurisdictions in the plan: Long Beach city (1 record), Los Angeles city (1 record). Zone-level records (294) apply countywide.
Thunderstorm Windwind speed (kt and mph)105 records, 1957 to 202643 kt (49 mph) to 93 kt (107 mph) (median 53 kt (61 mph)); 88 with a recorded value93 kt (107 mph), measurement type not recorded, Thunderstorm Wind, 1993-02-18Thunderstorm Wind, 1993-02-23, $50,000 property; crops not recorded (1993 dollars)Event records naming jurisdictions in the plan: Lancaster city (5 records), Diamond Bar city (2 records), Long Beach city (2 records), Los Angeles city (2 records), Paramount city (2 records), Artesia city (1 record), Azusa city (1 record), Bellflower city (1 record), Claremont city (1 record), Downey city (1 record); and 11 more jurisdictions (see the Excel file).
TornadoEnhanced Fujita (Fujita before Feb 2007)50 records, 1952 to 2025F/EF0 to F/EF2 (median F/EF0); 44 with a recorded valueF2 tornado, 1983-03-01, 3.5 mi path length (whole path, pre-1996), 100 yd wide, $25,000,000 property; crops not recorded (1983 dollars), 30 direct injuriesEvent records naming jurisdictions in the plan: Long Beach city (2 records), Whittier city (2 records), Cerritos city (1 record), Compton city (1 record), Covina city (1 record), Inglewood city (1 record), Montebello city (1 record), Palmdale city (1 record), Walnut city (1 record).Before 1996 a tornado is listed once, under the county where it began, with its whole path's rating and length; from 1996 on, each county lists its own segment. Length is not used to rank tornadoes (see Methods).
Tsunaminone (count and damage only)0
Wildfireacres burned (local data)57 records, 1996 to 2025 (41 zone-level)Wildfire, 2007-01-08, $60,000,000 property; $0 crops (2007 dollars); NWS zone CAZ046Event records naming jurisdictions in the plan: Azusa city (2 records), Glendora city (2 records), Malibu city (2 records), Arcadia city (1 record), Claremont city (1 record), Glendale city (1 record). Zone-level records (41) apply countywide.
Winter Storm, Heavy Snow, Blizzard, Lake-Effect Snow, Winter Weather, Sleetnone in data (snowfall: local data)107 records, 1996 to 2026 (107 zone-level)No damage reported in 107 records.Countywide (zone-level records).

Where a hazard names more than 10 jurisdictions, the table lists the 10 with the most records; every one is in the Excel file, sheet "B1-c Extent".

In event narratives only (local data needed): wind chill, temperature, heat index, ice thickness, acres burned and snow depth; any physical measure of avalanche, debris flow, lightning and tsunami.

Storm Events records are more complete after 1996; before 1996 only Tornado (from 1950), Hail and Thunderstorm Wind (from 1955) exist. Zone-level records from zones that no NWS zone-county file places in this county (mostly before 2020) are not counted here (the Methods page explains the zone matching).

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

Supports FEMA checklist item B1-d: previous occurrences

Federal declarations for this county: 88 declarations covering 66 separate hazard incidents counted in this packet (declarations for the same incident count once; non-natural and evacuation-only declarations are not counted).

Federal disaster declarations for this county

Sources: 1, 2, 3

DeclaredIncident beganFEMA numberTypeTitleMapped hazardCounty Public Assistancefederal share obligated, nominal dollarsFlagsNotes
2025-08-082025-08-07FM-5605-CAFire managementCanyon FireWildfireno Public Assistance recordedin the 12 months before plan approval; within last 5 years
2025-01-082025-01-07FM-5551-CAFire managementHurst FireWildfireno Public Assistance recordedin the 12 months before plan approval; within last 5 yearssame incident as DR-4856
2025-01-082025-01-07FM-5550-CAFire managementEaton FireWildfireno Public Assistance recordedin the 12 months before plan approval; within last 5 yearssame incident as DR-4856
2025-01-082025-01-07DR-4856-CAMajor disasterWildfires and Straight-Line WindsWildfire (primary); also designated: Strong Wind$27,795,299.27in the 12 months before plan approval; within last 5 years
2025-01-072025-01-07FM-5549-CAFire managementPalisades FireWildfireno Public Assistance recordedin the 12 months before plan approval; within last 5 yearssame incident as DR-4856
2024-12-102024-12-10FM-5548-CAFire managementFranklin FireWildfireno Public Assistance recordedin the 12 months before plan approval; within last 5 years
2024-09-112024-09-10FM-5537-CAFire managementBridge FireWildfireno Public Assistance recordedwithin last 5 years
2024-04-132024-01-31DR-4769-CAMajor disasterSevere Winter Storms, Tornadoes, Flooding, Landslides, and MudslidesInland Flooding; Landslide; Tornado; Winter Weather$13,022,328.81within last 5 years
2023-04-032023-02-21DR-4699-CAMajor disasterSevere Winter Storms, Straight-Line Winds, Flooding, Landslides, and MudslidesIce Storm; Inland Flooding; Landslide; Strong Wind; Winter Weather$3,495,788.59within last 5 years
2023-03-102023-03-09EM-3592-CAEmergencySevere Winter Storms, Flooding, Landslides, and MudslidesInland Flooding (primary); also designated: Landslide, Winter Weatherno Public Assistance recordedwithin last 5 yearssame incident as DR-4699
2023-01-142022-12-27DR-4683-CAMajor disasterSevere Winter Storms, Flooding, Landslides, and MudslidesInland Flooding (primary); also designated: Landslide, Winter Weather$14,298,184.56within last 5 years
2023-01-092023-01-08EM-3591-CAEmergencySevere Winter Storms, Flooding, and MudslidesInland Flooding (primary); also designated: Landslide, Winter Weatherno Public Assistance recordedwithin last 5 yearssame incident as DR-4683
2020-10-162020-09-04DR-4569-CAMajor disasterWildfiresWildfire$7,781,006.31
2020-09-132020-09-13FM-5374-CAFire managementBobcat FireWildfireno Public Assistance recordedsame incident as DR-4569
2020-03-222020-01-20DR-4482-CAMajor disasterCOVID-19 PandemicNon-natural, not counted$1,985,048,417.10
2020-03-132020-01-20EM-3428-CAEmergencyCOVID-19Non-natural, not countedno Public Assistance recordedsame incident as DR-4482
2019-10-282019-10-28FM-5297-CAFire managementGetty FireWildfireno Public Assistance recorded
2019-10-242019-10-24FM-5296-CAFire managementTick FireWildfireno Public Assistance recorded
2019-10-112019-10-10FM-5293-CAFire managementSaddleridge FireWildfireno Public Assistance recorded
2018-11-122018-11-08DR-4407-CAMajor disasterWildfiresWildfire$48,993,198.37
2018-11-092018-11-08FM-5280-CAFire managementWoolsey FireWildfireno Public Assistance recordedsame incident as DR-4407
2018-11-092018-11-08EM-3409-CAEmergencyWildfiresWildfireno Public Assistance recordedsame incident as DR-4407
2018-01-022017-12-04DR-4353-CAMajor disasterWildfires, Flooding, Mudflows, and Debris FlowsWildfirePA not declared for this county
2017-12-082017-12-04EM-3396-CAEmergencyWildfiresWildfireno Public Assistance recordedsame incident as DR-4353
2017-12-062017-12-06FM-5227-CAFire managementSkirball FireWildfireno Public Assistance recordedsame incident as DR-4353
2017-12-052017-12-05FM-5226-CAFire managementRye FireWildfireno Public Assistance recordedsame incident as DR-4353
2017-12-052017-12-05FM-5225-CAFire managementCreek FireWildfireno Public Assistance recordedsame incident as DR-4353
2017-09-022017-09-01FM-5201-CAFire managementLa Tuna FireWildfireno Public Assistance recorded
2017-03-162017-01-18DR-4305-CAMajor disasterSevere Winter Storms, Flooding, and MudslidesInland Flooding (primary); also designated: Landslide, Winter Weather$11,137,972.92
2016-07-232016-07-22FM-5135-CAFire managementSand FireWildfireno Public Assistance recorded
2016-07-092016-07-09FM-5132-CAFire managementSage FireWildfireno Public Assistance recorded
2016-06-212016-06-20FM-5129-CAFire managementFish FireWildfireno Public Assistance recorded
2016-06-052016-06-04FM-5124-CAFire managementOld FireWildfireno Public Assistance recorded
2014-01-162014-01-16FM-5051-CAFire managementColby FireWildfireno Public Assistance recorded
2013-06-022013-05-31FM-5025-CAFire managementPowerhouse FireWildfireno Public Assistance recorded
2010-07-302010-07-29FM-2851-CAFire managementCrown FireWildfireno Public Assistance recorded
2010-03-082010-01-17DR-1884-CAMajor disasterSevere Winter Storms, Flooding, and Debris and Mud FlowsInland Flooding; Winter Weather$21,906,579.39
2009-08-282009-08-27FM-2830-CAFire managementStation FireWildfireno Public Assistance recorded
2009-08-282009-08-27FM-2828-CAFire managementPv FireWildfireno Public Assistance recorded
2008-11-182008-11-13DR-1810-CAMajor disasterWildfiresWildfire$20,491,977.37
2008-11-152008-11-15FM-2792-CAFire managementFreeway Fire ComplexWildfireno Public Assistance recordedsame incident as DR-1810
2008-11-152008-11-14FM-2791-CAFire managementSayre FireWildfireno Public Assistance recordedsame incident as DR-1810
2008-10-132008-10-13FM-2789-CAFire managementSesnon FireWildfireno Public Assistance recorded
2008-10-122008-10-12FM-2788-CAFire managementMarek FireWildfireno Public Assistance recorded
2008-04-272008-04-26FM-2763-CAFire managementSanta Anita FireWildfireno Public Assistance recorded
2007-10-242007-10-21DR-1731-CAMajor disasterWildfires, Flooding, Mud Flows, and Debris FlowsWildfire$2,704,239.90
2007-10-232007-10-21EM-3279-CAEmergencyWildfiresWildfireno Public Assistance recordedsame incident as DR-1731
2007-10-222007-10-20FM-2736-CAFire managementRanch FireWildfireno Public Assistance recorded
2007-10-212007-10-21FM-2733-CAFire managementBuckweed FireWildfireno Public Assistance recordedsame incident as DR-1731
2007-10-212007-10-21FM-2732-CAFire managementCanyon FireWildfireno Public Assistance recordedsame incident as DR-1731
2007-07-082007-07-07FM-2708-CAFire managementCanyon FireWildfireno Public Assistance recorded
2007-05-102007-05-10FM-2694-CAFire managementIsland FireWildfireno Public Assistance recorded
2007-05-092007-05-08FM-2691-CAFire managementGriffith Park FireWildfireno Public Assistance recorded
2007-03-132007-01-11DR-1689-CAMajor disasterSevere FreezeCold WavePA not declared for this county
2005-09-282005-09-28FM-2583-CAFire managementTopanga FireWildfireno Public Assistance recorded
2005-09-132005-08-29EM-3248-CAEmergencyHurricane Katrina EvacuationHurricane: evacuation support, not a local hazard event; not counted$6,757.31
2005-04-142005-02-16DR-1585-CAMajor disasterSevere Storms, Flooding, Landslides, and Mud and Debris FlowsInland Flooding; Landslide$22,170,519.67
2005-02-042004-12-27DR-1577-CAMajor disasterSevere Storms, Flooding, Debris Flows, and MudslidesInland Flooding; Landslide$75,591,266.19
2004-07-212004-07-20FM-2535-CAFire managementCa-Crown Wildfire-07-21-2004Wildfireno Public Assistance recorded
2004-07-182004-07-17FM-2534-CAFire managementCa-Foothill Wildfire-07-18-2004Wildfireno Public Assistance recorded
2004-07-142004-07-12FM-2528-CAFire managementCa - Pine Fire - 7-13-2004Wildfireno Public Assistance recorded
2003-10-272003-10-21DR-1498-CAMajor disasterWildfires, Flooding, Mudflow and Debris Flow Directly Related TWildfire$5,811,196.91
2003-10-252003-10-24FM-2502-CAFire managementCa-Verdale Fire 10-25-2003Wildfireno Public Assistance recordedsame incident as DR-1498
2003-01-072003-01-06FM-2466-CAFire managementCa - Wildfire (Pacific Fire) - 01-06-2003Wildfireno Public Assistance recorded
2002-09-242002-09-22FM-2464-CAFire managementWilliams FireWildfireno Public Assistance recorded
2002-09-042002-09-03FM-2462-CAFire managementLeona FireWildfireno Public Assistance recorded
2002-06-062002-06-05FM-2417-CAFire managementCa - Copper Fire - 06-06-2002Wildfireno Public Assistance recorded
1998-02-091998-02-02DR-1203-CAMajor disasterSevere Winter Storms and FloodingInland Flooding; Winter Weatherno Public Assistance recorded
1996-10-231996-10-21EM-3120-CAEmergencySevere FirestormsWildfireno Public Assistance recorded
1995-03-121995-02-13DR-1046-CAMajor disasterSevere Winter Storms, Flooding Landslides, Mud FlowInland Flooding; Landslide; Winter Weatherno Public Assistance recorded
1995-01-101995-01-03DR-1044-CAMajor disasterSevere Winter Storms, Flooding, Landslides, Mud FlowsInland Flooding; Landslide; Winter Weatherno Public Assistance recorded
1994-01-171994-01-17DR-1008-CAMajor disasterNorthridge EarthquakeEarthquakeno Public Assistance recorded
1993-10-281993-10-26DR-1005-CAMajor disasterFires, Mud/Landslides, Flooding, Soil ErosionWildfire (primary); also designated: Inland Flooding, Landslideno Public Assistance recorded
1993-02-031993-01-05DR-979-CAMajor disasterSevere Winter Storm, Mud & Land Slides, & FloodingInland Flooding (primary); also designated: Landslide, Winter Weatherno Public Assistance recorded
1992-05-021992-04-29DR-942-CAMajor disasterFire During a Period of Civil UnrestNon-natural, not countedno Public Assistance recorded
1992-02-251992-02-10DR-935-CAMajor disasterRain/Snow/Wind Storms, Flooding, MudslidesInland Flooding (primary); also designated: Landslide, Strong Wind, Winter Weatherno Public Assistance recorded
1991-02-111990-12-19DR-894-CAMajor disasterSevere FreezeCold WavePA not declared for this county
1990-06-301990-06-26DR-872-CAMajor disasterFiresWildfireno Public Assistance recorded
1988-02-051988-01-17DR-812-CAMajor disasterSevere Storms, High Tides & FloodingInland Flooding (primary); also designated: Coastal Floodingno Public Assistance recorded
1987-10-071987-10-01DR-799-CAMajor disasterEarthquake & AftershocksEarthquakeno Public Assistance recorded
1983-02-091983-01-21DR-677-CAMajor disasterCoastal Storms, Floods, Slides & TornadoesCoastal Flooding; Inland Flooding; Landslide; Tornadono Public Assistance recorded
1980-11-271980-11-27DR-635-CAMajor disasterBrush & Timber FiresWildfireno Public Assistance recorded
1980-02-211980-01-08DR-615-CAMajor disasterSevere Storms, Mudslides & FloodingInland Flooding (primary); also designated: Landslideno Public Assistance recorded
1978-10-291978-10-29EM-3067-CAEmergencyBrush FiresWildfirePA not declared for this county
1978-02-151978-02-15DR-547-CAMajor disasterCoastal Storms, Mudslides & FloodingCoastal Flooding (primary); also designated: Landslideno Public Assistance recorded
1971-02-091971-02-09DR-299-CAMajor disasterSan Fernando EarthquakeEarthquakeno Public Assistance recorded
1970-09-291970-09-29DR-295-CAMajor disasterForest & Brush FiresWildfireno Public Assistance recorded
1969-01-261969-01-26DR-253-CAMajor disasterSevere Storms & FloodingInland Floodingno Public Assistance recorded

School districts and special districts in this county: $522,587,023.10 (included in the county total above). Public Assistance matched by applicant name to the school districts and special districts FEMA lists as plan participants in this county. They have no row of their own in the jurisdiction table, so their total is listed here. These dollars are already included in the county PA column of the declarations table (the FEMA record places each applicant in this county), so this line is not added to it.

County Public Assistance: applicants the FEMA record places in this county, including any state agencies FEMA files there; statewide rows are listed on the state page; federal share obligated, nominal dollars.

Statewide declarations

Source: 2

DeclaredIncident beganFEMA numberTypeTitleMapped hazard
1964-04-011964-04-01DR-169-CAMajor disasterSeismic Sea WaveTsunami
1963-12-211963-12-21DR-161-CAMajor disasterFlood Due to Broken DamOther, not an NRI hazard; not counted
1963-02-251963-02-25DR-145-CAMajor disasterSevere Storms, Heavy Rains & FloodingInland Flooding
1962-10-241962-10-24DR-138-CAMajor disasterSevere Storms & FloodingInland Flooding
1962-03-061962-03-06DR-122-CAMajor disasterFloodsInland Flooding
1961-11-161961-11-16DR-119-CAMajor disasterFire (Los Angeles County)Wildfire
1958-04-041958-04-04DR-82-CAMajor disasterHeavy Rainstorms & FloodInland Flooding
1956-12-291956-12-29DR-65-CAMajor disasterForest FireWildfire
1955-12-231955-12-23DR-47-CAMajor disasterFloodInland Flooding
1954-02-051954-02-05DR-15-CAMajor disasterFlood & ErosionInland Flooding

FEMA recorded these with designated area Statewide and no county, so they are listed on every county page in the state and not counted with county rows. Local data needed: whether each one affected this county.

5 Fire Management declarations (1977-08-07 to 1988-09-13) FEMA filed as Statewide with no county; each names one local fire. Listed on the state page.

Public Assistance filed under this county for declarations that do not list it: 5 rows, $9,823,288.53

Sources: 2, 3

FEMA numberDeclaredTitleApplicantPA obligatedfederal share obligated, nominal dollars
DR-4750-CA2023-11-21Tropical Storm HilaryThe Metropolitan Water District of Southern California$143,403.32
DR-4750-CA2023-11-21Tropical Storm HilaryLos Angeles, City of$4,032,435.31
DR-4431-CA2019-05-01Severe Winter Storms, Flooding, Landslides, and MudslidesThe Metropolitan Water District of Southern California$4,099,711.66
DR-4301-CA2017-02-14Severe Winter Storms, Flooding, and MudslidesLos Angeles, City of$962,412.75
DR-1952-CA2011-01-26Severe Winter Storms, Flooding, and Debris and Mud FlowsThe Metropolitan Water District of Southern California$585,325.49

FEMA's Public Assistance summaries file these applicants under this county, but FEMA's declaration rows for these disasters do not designate it (an electric cooperative or district serving several counties, for example). Not in any declaration row above and not counted.

Previous occurrences by hazard, with explicit no-event rows

Sources: 2, 6, 7

HazardStorm Events records, all years on file(years in the Period column)Since plan approvalrecordsIn the 12 months before plan approvalrecordsLast 5 yearsrecordsDeclared incidents, all yearsseparate disastersDeclared since approvalseparate disastersPeriodStatement
Avalanche1000001996 to 2026-06-30
Coastal Flooding2000301996 to 2026-06-30
Cold Wave2000201996 to 2026-06-30Includes 2 Frost/Freeze records.
Drought0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Earthquake000030Storm Events does not record earthquakes; the USGS earthquake catalog is the source.
Hail30005001955 to 2026-06-30
Heat Wave8000001996 to 2026-06-30
Hurricane1000001996 to 2026-06-30
Ice Storm0000101996 to 2026-06-30No Storm Events records of this type; 1 federal declared incident (see declarations table)
Inland Flooding2472311931701996 to 2026-06-30
Landslide2663211401996 to 2026-06-30
Lightning10001001996 to 2026-06-30
Strong Wind4033113114301955 to 2026-06-30Includes 292 High Wind and 6 Strong Wind records.
Tornado50015201950 to 2026-06-30
Tsunami0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Wildfire570354401996 to 2026-06-30
Winter Weather10712161001996 to 2026-06-30

Notable Storm Events records

Sources: 1, 6, 7

DateEvent typeMagnitude or extentDamagenominal dollarsDeaths, injuriesdirect onlyLocationFlagsWhy listed
2025-01-07Wildfire$0 property; $0 crops (zone total, 2025 dollars)12, 4NWS zone CAZ362 (MALIBU COAST), zone-levelin the 12 months before plan approval; within last 5 yearsdeaths or injuries recorded
2023-01-26High Wind97 kt (112 mph) measured gust$0 property; $0 crops (zone total, 2023 dollars)0, 0NWS zone CAZ054 (LOS ANGELES COUNTY MOUNTAINS), zone-levelwithin last 5 yearsB1-c worst recorded: High Wind and Strong Wind
2015-10-15Hail1.75 in$0 property; $0 crops (2015 dollars)0, 0LEONA VLYB1-c worst recorded: Hail
2014-07-27Lightning$0 property; $0 crops (2014 dollars)1, 8MARINA DEL RAYB1-c worst recorded: Lightning
2010-01-19Flash Flood$0 property; $3,200,000 crops (2010 dollars)0, 0CARSON to RIOCOB1-c worst recorded: Flash Flood, Flood, Lakeshore Flood
2008-01-25Avalanche$0 property; $0 crops (zone total, 2008 dollars)3, 3NWS zone CAZ054 (LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE), zone-leveldeaths or injuries recorded
2007-09-03Excessive Heat$0 property; $0 crops (zone total, 2007 dollars)8, 0NWS zone CAZ041 (LOS ANGELES COUNTY COASTS INCLUDING DOWNTOWN LOS ANGELES), zone-leveldeaths or injuries recorded
2007-08-30Excessive Heat$0 property; $0 crops (zone total, 2007 dollars)0, 0NWS zone CAZ088 (SANTA CLARITA VALLEY), zone-levelB1-c worst recorded: Excessive Heat, Heat
2007-01-13Frost/Freeze$0 property; $6,000,000 crops (zone total, 2007 dollars)0, 0NWS zone CAZ088 (SANTA CLARITA VALLEY), zone-levelB1-c worst recorded: Frost/Freeze
2007-01-08Wildfire$60,000,000 property; $0 crops (zone total, 2007 dollars)0, 0NWS zone CAZ046 (SANTA MONICA MOUNTAINS RECREATION AREA), zone-levelB1-c worst recorded: Wildfire
1993-02-18Thunderstorm Wind93 kt (107 mph), measurement type not recordeddamage not recorded (pre-1996 record)0, 0Mt. WilsonB1-c worst recorded: Thunderstorm Wind
1983-03-01TornadoF2, 3.5 mi path length (whole path, pre-1996), 100 yd wide$25,000,000 property; crops not recorded (1983 dollars)0, 30location not recordedB1-c worst recorded: Tornado

The full list is in the Excel file, sheet "B1-d Storm Events history" (944 rows).

Location is the place NOAA recorded, as written in its data; it need not be a jurisdiction in this plan.

Local data needed: state-declared emergencies, from your state emergency management agency (federal data do not include them).

Tribal and special-area declarations in this state are listed on the state page.

Supports FEMA checklist item B1-e: probability of future events

Probability: FEMA annualized frequency and descriptor per hazard

Sources: 5, 6

HazardFEMA annualized frequency (modeled)unit per rowUnitIn plain termsDescriptorDescriptor basisNRI events or days in its record period (hail, wind and tornado are area-weighted, so can be fractional)NRI periodLocationNote
Avalanche0.133events per yearabout 1 in 8 yearsLikelyFEMA annualized frequency (modeled)41994 to 2023 (30 years)see B1-f
Coastal Flooding2.17events per year at a location (modeled)about 2.2 per year at a given location in the countyHighly likelyFEMA annualized frequency (modeled)not shownmodeledsee B1-fDescriptor from NRI: the rate at a location is 1 or more a year, so the county rate is at least that.
Cold Wave0.0323event-days per yearabout 0.0323 days per yearStorm Events event-days in 0 of 30 years, 1996 to 2025 (0%)0.5262005-11-12 to 2024-11-12 (19 years)countywideNo Storm Events cold wave record, 1996 to 2025.
Drought81.8event-days per yearabout 81.8 days per yearStorm Events event-days in 0 of 30 years, 1996 to 2025 (0%)3,7592000 to 2025 (25.25 years; D3 and D4 only)countywideNo Storm Events drought record, 1996 to 2025
Earthquake0.0936annual probability at a locationchance a given location in the county has at least minor-damage shaking in a year: 9.36%not shownmodeledsee B1-fNo descriptor (Storm Events does not record earthquakes).
Hail0.0976events per yearabout 1 in 10 yearsPossibleFEMA annualized frequency (modeled)3.8 (modeled)1986 to 2023 (38 years)countywide
Heat Wave9.45event-days per yearabout 9.45 days per yearLikelyStorm Events event-days in 4 of 30 years, 1996 to 2025 (13.3%)84.62005-11-12 to 2024-11-12 (19 years)countywide
Hurricane0events per yearnone modeledUnlikelyFEMA annualized frequency (modeled)01851 to 2024 (Atlantic); 1949 to 2024 (Pacific)see B1-fNRI counts hurricane and tropical storm tracks passing within storm-force wind range; federal declarations are in B1-d.
Ice Stormevent-days per year1946-12-31 to 2014-02-12 (67 years)countywideNot Applicable in NRI for this county; no descriptor.
Inland Flooding3.96event-days per yearabout 3.96 days per yearLikelyStorm Events event-days in 24 of 30 years, 1996 to 2025 (80%)1111996 to 2023 (28 years)see B1-f
Landslide78.6events per year (modeled)about 78.6 per yearHighly likelyFEMA annualized frequency (modeled)not shownmodeledsee B1-f
Lightning8.36days per year with a strikeabout 8.36 days per yearHighly likelyFEMA annualized frequency (modeled)not shown1995 to 2023 (29 years; CONUS)countywide
Strong Wind0.145events per yearabout 1 in 7 yearsLikelyFEMA annualized frequency (modeled)51986 to 2023 (38 years)countywide
Tornado0.49events per yearabout 1 in 2 yearsLikelyFEMA annualized frequency (modeled)not shown1950 to 2023 (EF2+); 1986 to 2023 (EF0-1)see B1-f
Tsunami0.388annual probability at the most exposed location (used in place of a county value)chance at the county's most exposed location in a year: 38.8%Storm Events records in 0 of 30 years, 1996 to 2025 (0%)not shownmodeledsee B1-fNo descriptor: no Storm Events record 1996 to 2025
Wildfire0.00832annual probability at a locationchance a given location in the county burns in a year: 0.832%LikelyStorm Events records in 18 of 30 years, 1996 to 2025 (60%)not shownmodeledsee B1-f
Winter Weather6.59event-days per yearabout 6.59 days per yearHighly likelyStorm Events event-days in 27 of 30 years, 1996 to 2025 (90%)1072005-11-12 to 2024-11-12 (19 years)countywide

FEMA annualized frequency (modeled) is the National Risk Index v1.20 (December 2025) estimate of how often a hazard affects this county in a year; it is not recorded events divided by years, and its unit differs by hazard (events, event-days, or days with a lightning strike per year). For earthquake, wildfire, coastal flooding and tsunami the value is the chance (or number of events) at a location in the county, not across the county, so no "1 in N years" is given and the descriptor comes from Storm Events where it has a record (none for earthquake). The Methods page gives each hazard's method, from FEMA's National Risk Index Technical Documentation v1.20.

Where NRI gives event-days, the descriptor comes from the share of years with a Storm Events record; NRI's source records more events, so the two differ.

Descriptor scale used in this packet (defined per unit)

Sources: 5, 6

UnitDescriptorDefinition
events per yearHighly likely1 or more per year
events per yearLikelyabout once in 1 to 10 years
events per yearPossibleabout once in 10 to 100 years
events per yearUnlikelyless than once in 100 years
annual probabilityLikely10% to under 100% chance in a given year
annual probabilityPossible1% to under 10% chance in a given year
annual probabilityUnlikelyunder 1% chance in a given year
event-days (share of years)Highly likelyevent-days recorded in 90% or more of years
event-days (share of years)Likelyevent-days recorded in 10% to under 90% of years
event-days (share of years)Possibleevent-days recorded in some years but under 10% of years
lightning strike-daysHighly likelycloud-to-ground strikes on 1 or more days per year

Intensity bands: historical frequency (Storm Events)

Source: 6

HazardBandYearsEventscounty-coded recordsYears in periodEvents per yearevents / years
Hail1.00-1.99 in1996 to 202515300.5
Hail2.00 in+1996 to 20250300
Thunderstorm Wind (counted as NRI Strong Wind)50-64 kt1996 to 202550301.67
Thunderstorm Wind (counted as NRI Strong Wind)65 kt+1996 to 202511300.367
Thunderstorm Wind (counted as NRI Strong Wind)unmeasured or below 50 kt1996 to 20255300.167
TornadoEF0-11996 to 202518300.6
TornadoEF2-31996 to 20250300
TornadoEF4-51996 to 20250300
Tornadounrated (EFU)1996 to 20250300

The bands show how often events of each severity were recorded in this county, to profile how severe events have been (FEMA's probability item asks for the range of intensities).

Hail smaller than 1 inch is not counted: on 2010-01-05 the National Weather Service raised its severe-hail threshold from 3/4 inch to 1 inch, so smaller reports became less common after 2009 (NWS Service Change Notice 09-52). NRI hail frequency uses a 0.75 inch threshold.

Optional: future conditions. Not a required item in the 2025 FEMA Local Mitigation Planning Policy Guide; some states ask for it. The federal Climate Mapping for Resilience and Adaptation (CMRA) site gives county exposure to future climate conditions (https://resilience.climate.gov/).

Supports FEMA checklist item B1-f: hazards that vary across jurisdictions

Range of census tract risk within the county

Source: 5

HazardTractsrated of allNRI risk score, 0 to 100Tracts by rating
MinMedianMax
Avalanche29 of 2,49583.185.590.8Relatively Moderate 29, Not Applicable 2466
Coastal Flooding103 of 2,49568.477.099.8Very High 2, Relatively High 5, Relatively Moderate 15, Relatively Low 32, Very Low 49, No Rating 2392
Cold Wave51 of 2,49515.415.918.8Very Low 51, No Rating 2444
Drought110 of 2,49567.070.394.2Relatively Moderate 1, Relatively Low 5, Very Low 104, No Rating 2385
Earthquake2,494 of 2,4954.294.0100.0Very High 492, Relatively High 1740, Relatively Moderate 254, Relatively Low 6, Very Low 2, No Rating 1
Hail2,494 of 2,4950.316.673.8Relatively Moderate 1, Relatively Low 31, Very Low 2462, No Rating 1
Heat Wave2,494 of 2,4951.320.166.7Relatively Moderate 19, Relatively Low 1478, Very Low 997, No Rating 1
Hurricane0 of 2,495No Rating 2495
Ice Storm0 of 2,495Not Applicable 2495
Inland Flooding2,494 of 2,4950.274.9100.0Very High 307, Relatively High 814, Relatively Moderate 716, Relatively Low 465, Very Low 192, No Rating 1
Landslide1,941 of 2,4958.630.099.8Relatively High 5, Relatively Moderate 48, Relatively Low 209, Very Low 1679, No Rating 554
Lightning2,485 of 2,4950.15.322.2Relatively Low 1, Very Low 2484, No Rating 10
Strong Wind2,494 of 2,4950.25.512.9Very Low 2494, No Rating 1
Tornado2,494 of 2,4950.316.967.0Relatively Moderate 2, Relatively Low 95, Very Low 2397, No Rating 1
Tsunami65 of 2,49514.140.090.6Relatively Moderate 5, Relatively Low 16, Very Low 44, No Rating 19, Not Applicable 2411
Wildfire712 of 2,49518.574.699.9Very High 40, Relatively High 81, Relatively Moderate 119, Relatively Low 150, Very Low 322, No Rating 1783
Winter Weather1,260 of 2,49510.512.169.4Relatively Moderate 8, Relatively Low 109, Very Low 1143, No Rating 1235

Drought: Agriculture is all of NRI's expected annual loss for this hazard in the county, so the tract range mostly reflects where crop and livestock value is.

Rated tracts only: No Rating (score 0.0), Not Applicable and Insufficient Data tracts are counted but not used for the minimum, median and maximum.

The score ranks a tract against all U.S. tracts (100 = highest). The rating is FEMA's category for the tract's risk value, computed differently, so the two can disagree.

Frequency data for cold wave, drought, hail, heat wave, lightning, strong wind and winter weather are county-wide or coarse (49 km grid or NWS zone), the same for every jurisdiction; the tract range mostly reflects where buildings and people are (crop and livestock value where a line above names agriculture).

Each jurisdiction (starting figures from federal data)

Sources: 1, 3, 4, 6

JurisdictionTypePlan statusRepetitive lossFMA RL and SRL (44 CFR 77.2); repeat-flood, any definitionPublic Assistance to this jurisdictionFEMA records matched by applicant name; federal share obligated, nominal dollarsEvent records naming this placeall years; since its planNotes
Los Angeles CountyCountyApproved, expires 2030-09-15FMA RL 1, SRL 26; any 205$415,069,806.850 total; 0 since its planIncludes $295,291,688.59 for declarations not counted as hazard incidents (DR-4482-CA).
Agoura Hills cityCityApproved, expires 2029-08-12FMA RL 0, SRL 0; any 7$709,401.320 total; 0 since its planIncludes $104,659.51 for declarations not counted as hazard incidents (DR-4482-CA).
Alhambra cityCityApproved, expires 2031-03-17FMA RL 0, SRL 0; any 0$183,095.580 total; 0 since its planIncludes $45,131.33 for declarations not counted as hazard incidents (DR-4482-CA).
Arcadia cityCityApproved, expires 2027-05-10FMA RL 0, SRL 0; any 0$2,773,265.874 total; 1 since its planIncludes $141,638.22 for declarations not counted as hazard incidents (DR-4482-CA).
Artesia cityCityExpired on 2025-11-29FMA RL 0, SRL 0; any 0$4,777.262 total; 1 since its plan
Avalon cityCityNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$167,638.120 total; no approved planIncludes $31,712.72 for declarations not counted as hazard incidents (DR-4482-CA).
Azusa cityCityExpired on 2024-11-03FMA RL 0, SRL 0; any 0$217,005.4510 total; 1 since its planIncludes $77,519.33 for declarations not counted as hazard incidents (DR-4482-CA).
Bell cityCityApproved, expires 2031-07-27FMA RL 0, SRL 0; any 0$40,098.850 total; not yet coveredIncludes $34,958.05 for declarations not counted as hazard incidents (DR-4482-CA).
Bellflower cityCityNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$17,1892 total; no approved planIncludes $17,189 for declarations not counted as hazard incidents (DR-4482-CA).
Beverly Hills cityCityApproved, expires 2031-01-08FMA RL 0, SRL 0; any 10$1,821,587.020 total; 0 since its planIncludes $1,696,357.89 for declarations not counted as hazard incidents (DR-4482-CA).
Bradbury cityCityApproved, expires 2030-04-14FMA RL 0, SRL 0; any 0no Public Assistance recorded0 total; 0 since its plan
Burbank cityCityApproved, expires 2028-04-06FMA RL 0, SRL 0; any 0$1,253,769.111 total; 0 since its planIncludes $530,663.22 for declarations not counted as hazard incidents (DR-4482-CA).
Calabasas cityCityApproved, expires 2029-08-12FMA RL 0, SRL 0; any 1$1,324,185.061 total; 0 since its plan
Carson cityCityApproved, expires 2030-09-25FMA RL 0, SRL 0; any 0$384,990.596 total; 1 since its planIncludes $318,781.94 for declarations not counted as hazard incidents (DR-4482-CA).
Cerritos cityCityApproved, expires 2028-04-17FMA RL 0, SRL 0; any 0no Public Assistance recorded1 total; 0 since its plan
Claremont cityCityApproved, expires 2027-03-07FMA RL 0, SRL 0; any 0$128,787.824 total; 1 since its planIncludes $39,239.29 for declarations not counted as hazard incidents (DR-4482-CA).
Compton cityCityApproved, expires 2028-04-17FMA RL 0, SRL 0; any 0$82,434.574 total; 1 since its plan
Covina cityCityExpired on 2025-11-09FMA RL 0, SRL 0; any 0$431,313.151 total; 0 since its planIncludes $308,969.31 for declarations not counted as hazard incidents (DR-4482-CA).
Cudahy cityCityExpired on 2023-12-09FMA RL 0, SRL 0; any 0no Public Assistance recorded0 total; 0 since its plan
Culver City cityCityApproved, expires 2029-08-28FMA RL 0, SRL 0; any 1$2,446,298.512 total; 0 since its planIncludes $595,376.56 for declarations not counted as hazard incidents (DR-4482-CA).
Diamond Bar cityCityApproved, expires 2027-08-15FMA RL 0, SRL 0; any 0$1,055,443.133 total; 0 since its planIncludes $41,522.75 for declarations not counted as hazard incidents (DR-4482-CA).
Downey cityCityApproved, expires 2030-04-14FMA RL 0, SRL 0; any 1no Public Assistance recorded2 total; 0 since its plan
Duarte cityCityApproved, expires 2031-01-27FMA RL 0, SRL 0; any 0$1,681,969.565 total; 0 since its planIncludes $11,224.05 for declarations not counted as hazard incidents (DR-4482-CA).
El Monte cityCityExpired on 2022-06-13FMA RL 0, SRL 0; any 0$84,853.031 total; 0 since its planIncludes $59,400 for declarations not counted as hazard incidents (DR-4482-CA).
El Segundo cityCityApproved, expires 2030-12-18FMA RL 0, SRL 0; any 0$2,651,737.130 total; 0 since its planIncludes $2,275,495.20 for declarations not counted as hazard incidents (DR-4482-CA).
Gardena cityCityApproved, expires 2029-10-23FMA RL 0, SRL 0; any 0$327,203.071 total; 0 since its planIncludes $327,203.07 for declarations not counted as hazard incidents (DR-4482-CA).
Glendale cityCityExpired on 2024-10-27FMA RL 0, SRL 0; any 3$5,680,062.322 total; 0 since its planIncludes $1,154,042.27 for declarations not counted as hazard incidents (DR-4482-CA).
Glendora cityCityApproved, expires 2031-02-10FMA RL 0, SRL 0; any 0$412,548.7116 total; 0 since its planIncludes $296,146.81 for declarations not counted as hazard incidents (DR-4482-CA).
Hawaiian Gardens cityCityExpired on 2010-06-23FMA RL 0, SRL 0; any 0$66,9460 total; 0 since its planIncludes $66,946 for declarations not counted as hazard incidents (DR-4482-CA).
Hawthorne cityCityExpired on 2025-04-15FMA RL 0, SRL 0; any 0$272,2430 total; 0 since its planIncludes $272,243 for declarations not counted as hazard incidents (DR-4482-CA).
Hermosa Beach cityCityApproved, expires 2030-06-18FMA RL 0, SRL 0; any 0$471,068.370 total; 0 since its planIncludes $436,592.17 for declarations not counted as hazard incidents (DR-4482-CA).
Hidden Hills cityCityApproved, expires 2029-08-12FMA RL 0, SRL 0; any 2$231,279.840 total; 0 since its planIncludes $111,379.69 for declarations not counted as hazard incidents (DR-4482-CA).
Industry cityCityExpired on 2010-05-10FMA RL 0, SRL 0; any 0$343,960.370 total; 0 since its planIncludes $71,589.37 for declarations not counted as hazard incidents (DR-4482-CA).
Inglewood cityCityApproved, expires 2028-04-17FMA RL 0, SRL 0; any 0$87,569.151 total; 0 since its plan
Irwindale cityCityExpired on 2019-04-30FMA RL 0, SRL 0; any 0$256,311.590 total; 0 since its planIncludes $232,862.81 for declarations not counted as hazard incidents (DR-4482-CA).
La Cañada Flintridge cityCityApproved, expires 2029-10-22FMA RL 0, SRL 0; any 3$3,361,752.480 total; 0 since its plan
La Habra Heights cityCityApproved, expires 2027-05-19FMA RL 0, SRL 0; any 0$1,111,606.230 total; 0 since its plan
La Mirada cityCityApproved, expires 2028-02-22FMA RL 0, SRL 0; any 1no Public Assistance recorded2 total; 1 since its plan
La Puente cityCityApproved, expires 2031-02-22FMA RL 0, SRL 0; any 0$176,038.410 total; 0 since its planIncludes $160,381.46 for declarations not counted as hazard incidents (DR-4482-CA).
La Verne cityCityNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$389,667.461 total; no approved planIncludes $160,348.28 for declarations not counted as hazard incidents (DR-4482-CA).
Lakewood cityCityApproved, expires 2031-02-19FMA RL 0, SRL 0; any 1$25,689.370 total; 0 since its plan
Lancaster cityCityApproved, expires 2030-04-14FMA RL 0, SRL 0; any 0$1,506,927.259 total; 0 since its plan
Lawndale cityCityExpired on 2021-09-01FMA RL 0, SRL 0; any 0no Public Assistance recorded0 total; 0 since its plan
Lomita cityCityApproved, expires 2031-02-17FMA RL 0, SRL 0; any 0$10,371.750 total; 0 since its plan
Long Beach cityCityApproved, expires 2028-03-01FMA RL 0, SRL 2; any 13$39,833,997.7410 total; 1 since its planIncludes $36,211,518.69 for declarations not counted as hazard incidents (DR-4482-CA).
Los Angeles cityCityApproved, expires 2029-09-24FMA RL 1, SRL 8; any 135$449,588,528.037 total; 3 since its planIncludes $429,001,226.22 for declarations not counted as hazard incidents (DR-4482-CA, EM-3248-CA).
Lynwood cityCityExpired on 2026-02-18FMA RL 0, SRL 0; any 1$220,147.820 total; 0 since its planIncludes $220,147.82 for declarations not counted as hazard incidents (DR-4482-CA).
Malibu cityCityApproved, expires 2029-08-12FMA RL 0, SRL 7; any 62$9,145,588.596 total; 1 since its planIncludes $53,990 for declarations not counted as hazard incidents (DR-4482-CA).
Manhattan Beach cityCityApproved, expires 2030-02-02FMA RL 0, SRL 0; any 0$378,188.380 total; 0 since its planIncludes $300,021.95 for declarations not counted as hazard incidents (DR-4482-CA).
Maywood cityCityApproved, expires 2031-02-25FMA RL 0, SRL 0; any 0no Public Assistance recorded0 total; 0 since its plan
Monrovia cityCityApproved, expires 2031-05-07FMA RL 0, SRL 0; any 1$5,281,592.151 total; 0 since its planIncludes $246,954.38 for declarations not counted as hazard incidents (DR-4482-CA).
Montebello cityCityApproved, expires 2030-09-03FMA RL 0, SRL 0; any 0$623,784.132 total; 0 since its planIncludes $343,162.23 for declarations not counted as hazard incidents (DR-4482-CA).
Monterey Park cityCityApproved, expires 2030-05-11FMA RL 0, SRL 0; any 0$1,621,706.171 total; 0 since its planIncludes $418,759.69 for declarations not counted as hazard incidents (DR-4482-CA).
Norwalk cityCityApproved, expires 2027-01-31FMA RL 0, SRL 0; any 0$118,398.142 total; 0 since its planIncludes $15,861.67 for declarations not counted as hazard incidents (DR-4482-CA).
Palmdale cityCityApproved, expires 2027-11-17FMA RL 0, SRL 0; any 0$1,565,261.2817 total; 2 since its plan
Palos Verdes Estates cityCityApproved, expires 2031-06-11FMA RL 0, SRL 0; any 2$73,285.100 total; 0 since its plan
Paramount cityCityApproved, expires 2028-04-17FMA RL 0, SRL 0; any 1$9,1004 total; 3 since its planIncludes $9,100 for declarations not counted as hazard incidents (DR-4482-CA).
Pasadena cityCityApproved, expires 2031-02-01FMA RL 0, SRL 0; any 3$11,379,418.322 total; 0 since its planIncludes $8,566,342.66 for declarations not counted as hazard incidents (DR-4482-CA).
Pico Rivera cityCityApproved, expires 2030-11-18FMA RL 0, SRL 0; any 1$149,940.740 total; 0 since its planIncludes $39,025.19 for declarations not counted as hazard incidents (DR-4482-CA).
Pomona cityCityApproved, expires 2028-03-07FMA RL 0, SRL 0; any 0$3,064.422 total; 0 since its plan
Rancho Palos Verdes cityCityApproved, expires 2031-06-11FMA RL 0, SRL 0; any 0$1,431,867.610 total; 0 since its plan
Redondo Beach cityCityExpired on 2025-09-10FMA RL 0, SRL 0; any 3$23,125.741 total; 0 since its plan
Rolling Hills cityCityApproved, expires 2031-06-11FMA RL 0, SRL 0; any 0$49,596.250 total; 0 since its plan
Rolling Hills Estates cityCityApproved, expires 2031-06-11FMA RL 0, SRL 0; any 0$294,784.610 total; 0 since its planIncludes $13,449.74 for declarations not counted as hazard incidents (DR-4482-CA).
Rosemead cityCityApproved, expires 2029-11-13FMA RL 0, SRL 0; any 0$389,114.520 total; 0 since its planIncludes $282,962.67 for declarations not counted as hazard incidents (DR-4482-CA).
San Dimas cityCityExpired on 2015-05-10FMA RL 0, SRL 0; any 0$109,866.942 total; 1 since its planIncludes $22,000.01 for declarations not counted as hazard incidents (DR-4482-CA).
San Fernando cityCityApproved, expires 2026-10-25FMA RL 0, SRL 0; any 0$49,441.533 total; 2 since its plan
San Marino cityCityApproved, expires 2030-04-14FMA RL 0, SRL 0; any 0$93,040.800 total; 0 since its planIncludes $74,264.96 for declarations not counted as hazard incidents (DR-4482-CA).
Santa Clarita cityCityApproved, expires 2026-11-11FMA RL 0, SRL 0; any 1$2,339,581.830 total; 0 since its planIncludes $420,739.68 for declarations not counted as hazard incidents (DR-4482-CA).
Santa Fe Springs cityCityApproved, expires 2030-12-01FMA RL 0, SRL 0; any 0$17,645.100 total; 0 since its plan
Santa Monica cityCityApproved, expires 2031-04-29FMA RL 0, SRL 0; any 1$3,294,123.102 total; 0 since its planIncludes $3,069,651.23 for declarations not counted as hazard incidents (DR-4482-CA).
Sierra Madre cityCityApproved, expires 2031-01-27FMA RL 0, SRL 0; any 1$371,617.410 total; 0 since its planIncludes $101,575.72 for declarations not counted as hazard incidents (DR-4482-CA).
Signal Hill cityCityApproved, expires 2030-09-17FMA RL 0, SRL 0; any 0$127,564.400 total; 0 since its planIncludes $73,672.56 for declarations not counted as hazard incidents (DR-4482-CA).
South El Monte cityCityApproved, expires 2026-12-27FMA RL 0, SRL 0; any 0$476,787.100 total; 0 since its planIncludes $468,421.27 for declarations not counted as hazard incidents (DR-4482-CA).
South Gate cityCityApproved, expires 2029-11-10FMA RL 0, SRL 0; any 0$135,322.510 total; 0 since its planIncludes $58,669.30 for declarations not counted as hazard incidents (DR-4482-CA).
South Pasadena cityCityApproved, expires 2030-04-14FMA RL 0, SRL 0; any 2$157,873.551 total; 0 since its planIncludes $60,461.29 for declarations not counted as hazard incidents (DR-4482-CA).
Temple City cityCityExpired on 2021-09-27FMA RL 0, SRL 0; any 0$44,826.660 total; 0 since its plan
Torrance cityCityApproved, expires 2029-06-11FMA RL 0, SRL 0; any 0$1,081,830.820 total; 0 since its planIncludes $295,702.22 for declarations not counted as hazard incidents (DR-4482-CA).
Vernon cityCityApproved, expires 2028-04-17FMA RL 0, SRL 0; any 0$531,198.930 total; 0 since its planIncludes $531,198.93 for declarations not counted as hazard incidents (DR-4482-CA).
Walnut cityCityApproved, expires 2031-05-03FMA RL 0, SRL 0; any 0$158,889.713 total; 0 since its planIncludes $24,615 for declarations not counted as hazard incidents (DR-4482-CA).
West Covina cityCityExpired on 2010-04-15FMA RL 0, SRL 0; any 0$239,420.431 total; 0 since its planIncludes $126,867.58 for declarations not counted as hazard incidents (DR-4482-CA).
West Hollywood cityCityApproved, expires 2029-07-14FMA RL 0, SRL 0; any 0$1,103,710.221 total; 0 since its planIncludes $1,091,909.71 for declarations not counted as hazard incidents (DR-4482-CA).
Westlake Village cityCityApproved, expires 2029-08-12FMA RL 0, SRL 0; any 0$145,811.290 total; 0 since its planIncludes $4,461.75 for declarations not counted as hazard incidents (DR-4482-CA).
Whittier cityCityApproved, expires 2031-06-29FMA RL 0, SRL 0; any 0$311,983.352 total; not yet covered

Repetitive-loss counts are for whole NFIP communities, which can extend beyond this county (see the note in B2-c).

School districts and special districts get a plan clock row only.

County Public Assistance in B1-d also includes applicants filed under the county that are not jurisdictions in this plan (for example state agencies, special districts and nonprofits), so the jurisdiction rows add up to less.

Supports FEMA checklist items B2-a and B2-b: vulnerability and potential impacts

Local data needed

The table below gives county-level starting figures; the plan describes impacts for each jurisdiction and its own assets.

  • Critical facilities and lifelines per hazard
  • A problem statement per jurisdiction per hazard
  • Changes in development in hazard-prone areas since the last approval, or a statement of none (E1-a)
  • Future assets

County-level starter: exposure, expected annual loss and damage since the plan

Sources: 1, 2, 3, 5, 6, 7

HazardBuilding exposuremodeled dollarsAgriculture exposuremodeled dollarsPopulation exposedpeopleEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearCost of expected deaths and injuriesFEMA's dollar value per year, not property damageEAL as % of exposurebuildings; agriculture where notedStorm Events damage since 2025-09-16county-coded records, property plus crops, nominal dollarsZone-level damage since planproperty plus crops, reported for the zonePublic Assistance since plannominal dollars; see noteNote
Avalanche$3,569,508n/a10$50n/a$1,826,6670.0014%
Coastal Flooding$199,706,602,472n/a1,368,811$5,184,029n/a$1,7650.0026%
Cold Wave$13,178,242,937$1,406,39256,344$130$115$23,904under 0.0001%
Droughtn/a$132,390,783n/an/a$79,529n/a0.0601% (agriculture)NRI has no building exposure for this hazard; agriculture shown
Earthquake$2,972,493,548,045n/a10,014,009$2,972,262,045n/a$1,593,474,3220.1%
Hail$1,703,724,947,920$199,072,66310,005,712$1,952,700$187$21,1910.000115%
Heat Wave$1,703,705,720,738$199,069,76110,005,552$14,770$18,208$36,723,569under 0.0001%
Hurricane$1,703,724,947,920$199,072,66310,005,712$0$0$00%
Ice StormNot Applicable in NRI for this county
Inland Flooding$1,703,309,391,994$29,231,53060,883$2,801,568,294$193,917$6,974,313n/a (see note)$0NRI counts the full building value of any census block with some flood loss; this is not the value of buildings in the floodplain. Use local FIRM overlays for B2-a/B2-b.
Landslide$57,004,911,418n/a246,243$434,121n/a$1,098,4580.000762%$0
Lightning$1,703,724,947,920n/a10,005,712$22,823n/a$2,103,929under 0.0001%
Strong Wind$1,703,724,947,920$199,072,66310,005,712$129,497$1,117$840,761under 0.0001%$3,000$0
Tornado$1,703,724,947,920$199,072,66310,005,712$12,948,146$525$5,357,2440.00076%
Tsunami$36,851,498,797n/a57,836$3,256,310n/a$00.00884%
Wildfire$49,690,245,135$142,457,561294,167$148,555,890$2,331$6,633,5910.299%
Winter Weather$879,331,927,603$198,084,6145,086,408$1,540under $1$140,388under 0.0001%$0

Totals since 2025-09-16 (Storm Events through 2026-06-30): 52 county-coded records, 52 with a damage value recorded (including $0), $3,000; 9 zone-level records, 9 with a damage value recorded (including $0), $0 reported for the zone; Public Assistance: no counted declaration since the plan.

FEMA does not split Public Assistance by hazard. A declaration mapped to several hazards is listed under each of them with its full amount, so the per-hazard column does not add up to the total; the unit total counts each declaration once.

NRI computes earthquake exposure on its own basis, so it exceeds the county building value in B2-a.

Supports FEMA checklist item B2-a: vulnerability (county context)

County context

Source: 5

MeasureValue
Population10,005,712
Building value (total, not at risk)$1,703,724,947,920
Agriculture value (total, not at risk)$199,072,663
NRI risk rating (all hazards)Very High
Expected annual loss, buildings and agriculture, all hazards$5,946,626,273
Expected annual loss, population equivalence, all hazards (NRI values each statistical life at $13.7M; a modeled value of expected deaths and injuries, not property damage)$1,655,220,101
Social vulnerability ratingRelatively Moderate
Community resilience ratingVery Low
NRI versionDecember 2025

FEMA's all-hazard expected annual loss adds buildings, agriculture and population equivalence; this table gives the property part and the population-equivalence part as separate rows.

Social vulnerability: higher means people are more likely to be harmed and slower to recover. Community resilience: lower means the community is less able to recover. High social vulnerability and low resilience both raise the NRI risk rating.

Supports FEMA checklist item B2-c: repetitive loss properties

Repetitive loss in this county, both definitions

Sources: 1, 4

DefinitionPropertiesSevere repetitive lossProperties
Repetitive loss, FMA definition (44 CFR 77.2)2Severe repetitive loss, FMA definition (44 CFR 77.2)43
Repetitive loss, NFIP insurance definition458Severe repetitive loss, NFIP insurance definition35

The state NFIP coordinator's list, the source FEMA's Handbook names, often uses the NFIP insurance definition (second row).

Repeat-flood properties: county and state-level rows

Sources: 1, 4

ScopeRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
County total24345835463284
of which: Culver City city0010100
of which: Hidden Hills city0020201
of which: Lakewood city0010100
of which: La Mirada city0010100
of which: Long Beach city021211304
of which: Los Angeles city181325135221
of which: Palos Verdes Estates city0020200
of which: Pico Rivera city0010100
of which: Redondo Beach city0030301
of which: Santa Monica city0010100
of which: Lynwood city0010100
of which: Downey city0010101
of which: Beverly Hills city001001001
of which: La Canada Flintridge city0030302
of which: Santa Clarita city0010100
of which: Malibu city0762662042
of which: Calabasas city0010101
of which: Glendale city0030301
of which: Los Angeles County (unincorporated area)1262042320509
of which: Monrovia city0010100
of which: Paramount city0010100
of which: Pasadena city0030300
of which: Sierra Madre city0010100
of which: South Pasadena city0020200
of which: Agoura Hills city0070700
of which: Unknown (community ID Unknown in FEMA data)0010100
Statewide, no county in FEMA's file0130410

The statewide row counts properties FEMA's file gives with no county in this state; they are listed for reference and are not in this county's counts.

Repeat-flood properties by jurisdiction in the plan (NFIP community)

Sources: 1, 4

JurisdictionNFIP community IDRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
Los Angeles County0650431262042320509
Agoura Hills city0650720070700
Alhambra city0600950000000
Arcadia city0650140000000
Artesia city0600970000000
Avalon city0600980000000
Azusa city0650150000000
Bell city0601010000000
Bellflower city0601020000000
Beverly Hills city060655001001001
Bradbury city0650170000000
Burbank city0650180000000
Calabasas city0607490010101
Carson city0601070000000
Cerritos city0601080000000
Claremont city0601090000000
Compton city0601110000000
Covina city0650240000000
Cudahy city0606570000000
Culver City city0601140010100
Diamond Bar city0607410000000
Downey city0606450010101
Duarte city0650260000000
El Monte city0606580000000
El Segundo city0601180000000
Gardena city0601190000000
Glendale city0650300030301
Glendora city0650310000000
Hawaiian Gardens city0650320000000
Hawthorne city0601230000000
Hermosa Beach city0601240000000
Hidden Hills city0601250020201
Industry city0650350000000
Inglewood city0650360000000
Irwindale city0601290000000
La Cañada Flintridge city0606690030302
La Habra Heights city0607010000000
La Mirada city0601310010100
La Puente city0650390000000
La Verne city0601330000000
Lakewood city0601300010100
Lancaster city0606720000000
Lawndale city0601340000000
Lomita city0601350000000
Long Beach city060136021211304
Los Angeles city060137181325135221
Lynwood city0606350010100
Malibu city0607450762662042
Manhattan Beach city0601380000000
Maywood city0606510000000
Monrovia city0650460010100
Montebello city0601410000000
Monterey Park city0650470000000
Norwalk city0606520000000
Palmdale city0601440000000
Palos Verdes Estates city0601450020200
Paramount city0650490010100
Pasadena city0650500030300
Pico Rivera city0601480010100
Pomona city0601490000000
Rancho Palos Verdes city0604640000000
Redondo Beach city0601500030301
Rolling Hills city0601510000000
Rolling Hills Estates city0650540000000
Rosemead city0601530000000
San Dimas city0601540000000
San Fernando city0606280000000
San Marino city0650570000000
Santa Clarita city0607290010100
Santa Fe Springs city0601580000000
Santa Monica city0601590010100
Sierra Madre city0650590010100
Signal Hill city0601610000000
South El Monte city0601620000000
South Gate city0601630000000
South Pasadena city0650610020200
Temple City city0606530000000
Torrance city0601650000000
Vernon city0601660000000
Walnut city0650690000000
West Covina city0606660000000
West Hollywood city0607200000000
Westlake Village city0607440000000
Whittier city0601690000000

Counts by occupancy group for each jurisdiction are in the Excel file, sheet "B2-c Jurisdictions".

Jurisdiction rows are whole NFIP communities and need not add up to the county total: a community that extends into another county is counted in full on each jurisdiction row, while the county table counts only its part in this county.

County repeat-flood properties by occupancy group

Sources: 1, 4

Occupancy groupRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
single-family residential23437927383275
2 to 4 unit residential054254202
other residential001001001
non-residential042732806
not reported0000000

FEMA's occupancy groups have no institutional class; institutional properties are counted in non-residential or other residential in the table by occupancy group.

FMA RL and FMA SRL are the Flood Mitigation Assistance definitions (44 CFR 77.2), the ones the FEMA Local Mitigation Planning Policy Guide cites. NFIP repetitive loss (the FEMA insurance definition) is 2 or more claims over $1,000 in 10 years, and a property can leave that group once it is mitigated. Also shown: NFIP severe repetitive loss, any category, mitigated and currently insured. The Methods page gives the OpenFEMA field details.

Counts are aggregates of FEMA's public NFIP Multiple Loss Properties file (FEMA's data date 2026-08-02; file version 2026-08-04). No property is identified. County assignment is FEMA's geocode.

In this county 1 property is FMA repetitive loss but not NFIP repetitive loss, and 457 properties are NFIP repetitive loss but not FMA repetitive loss.

Exact counts; no count suppression.

Sources

Tables cite these sources by number. The full list, for the plan's bibliography (FEMA review item A4-a):

  1. FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-29T134039Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)
  2. FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-29T162832Z, pulled 2026-09-30, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)
  3. FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-29T150754Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)
  4. FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)
  5. FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-30, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)
  6. NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-30, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/
  7. NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-30, https://www.weather.gov/gis/ZoneCounty
  8. U.S. Census Bureau, Census 2024 Gazetteer, 2020 place by county, CT county-to-cousub crosswalk, version 2024-gazetteer, pulled 2026-09-30, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_counties_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_cousubs_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_place_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_unsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_elsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_scsd_national.zip, https://www2.census.gov/geo/docs/reference/codes2020/national_place_by_county2020.txt, https://www2.census.gov/geo/docs/reference/ct_change/ct_cou_to_cousub_crosswalk.xlsx (used to match place names and codes; no table prints its values)

What this packet is and what the plan adds

This packet is the federal data for the plan's risk assessment (the summary on page 1 says how it is organized); the plan and FEMA's review decide whether each item is met.

The plan adds what only the community has: local data on assets, critical facilities, development and each jurisdiction's impacts; local hazard history, including state-declared emergencies; the mitigation strategy; and adoption.

How the federal data are built: National Risk Index values are FEMA's model, not counts of events. Storm Events is more complete from 1996; zone-level records are placed by forecast zone, not by location in the county. Public Assistance for a jurisdiction is matched by applicant name. The Methods page gives every rule and the known edge cases.

OpenFEMA disclaimer

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Reuse, citation and corrections

Reuse and citation: Hazard Plain text and tables are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0, https://creativecommons.org/licenses/by/4.0/); credit Hazard Plain and the release. The underlying federal data are public domain; OpenFEMA data are also subject to the OpenFEMA terms and conditions.

Cite this: Hazard Plain (2026). Los Angeles County, CA: risk-assessment baseline packet, release 2026-10 (data as of 2026-09-30; County FIPS 06037). Automated baseline. https://hazardplain.org/ca/06037/ Built from FEMA OpenFEMA, the FEMA National Risk Index and NOAA NCEI Storm Events; source versions in the packet's Sources list.

Corrections: to report an error, name the packet, the table and what your records show. Contact: [email protected]