County Hazards

States › California › Los Angeles County › ZIP 91403

ZIP code 91403, Los Angeles County, California

National Flood Insurance Program claims and payouts recorded for this ZIP code, with county context.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NFIP claims as of 8 Sep 2026.

ZIP code 91403, in Los Angeles County, California, has 211 National Flood Insurance Program claims in the OpenFEMA record since 1978, 133 of them paid for a total of $1.5M.

That is 2.3% of the 9,104 claims recorded across Los Angeles County. The average paid claim in the ZIP is $11K, lower than the county average of $15K and the California average of $21K.

FEMA counts 6 repetitive-loss properties and 1 severe repetitive-loss property in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 10,584 residential flood policies in force, covering 0.5% of residential structures.

211NFIP claims since 1978
133paid claims
$1.5Mtotal paid
$11Kaverage paid claim

Compared with the county and state

MeasureZIP 91403Los AngelesCaliforniaUS
Claims since 19782119,10453,5632,680,429
Share of claims paid63%54%66%78%
Average paid claim$11K$15K$21K$43K
Share of county claims2.3%100%——
Repetitive-loss properties64583,456—

Claims by year of loss

197820022026
NFIP claims in ZIP 91403 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s33$122,424
1980s89$409,064
1990s47$191,258
2000s22$259,943
2010s13$317,021
2020s7$205,578
Year of lossClaimsPaid claimsAmount paidAverage paid
202454$205,578$51,394
202320$0—
201721$250,000$250,000
201621$3,932$3,932
201511$24,184$24,184
201422$4,681$2,340
201122$23,373$11,686
201042$10,852$5,426
200710$0—
2005119$218,628$24,292
200421$20,804$20,804
200153$17,277$5,759
200031$3,234$3,234
199921$100$100
19981612$50,471$4,206
199610$0—
1995147$49,325$7,046
199343$28,711$9,570
199298$62,651$7,831
199110$0—
198910$0—
198710$0—
198620$0—
198510$0—
198410$0—
19832815$132,261$8,817
198221$1,450$1,450
198121$2,397$2,397
19805137$272,956$7,377
197952$18,416$9,208
19782819$104,008$5,474

Claims are counted by year of loss as recorded in OpenFEMA's redacted NFIP claims file; amounts combine building, contents and increased-cost-of-compliance payments. ZIP codes in the file are the policyholder's reported ZIP.

County context: Los Angeles County

Los Angeles County has 507 weather events in the NCEI record since 1950 (52 in the last 12 months), 88 federal disaster declarations, and an overall National Risk Index rating of "Very High". Flood-type events recorded in the county: 244; hurricane-strength tracks within 50 miles: 0.

Hail: 30 · Tornado: 50 · Flood: 244 · Wind: 109 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 91403?

211 claims since 1978 in the OpenFEMA NFIP claims file, 133 of them with a payment.

How much has the NFIP paid out in ZIP 91403?

$1.5M across 133 paid claims (building, contents and increased-cost-of-compliance payments combined), about $11K per paid claim.

Which year had the most flood claims in 91403?

1980, with 51 claims and $273K paid.

What county is ZIP 91403 in?

Most claims in this ZIP carry the county code for Los Angeles County, California; ZIP codes can cross county lines. The county page carries the storm record, declarations and risk index for the area.

Provenance

OpenFEMA NfipClaims v3 (as of 8 Sep 2026) and NfipMultipleLossProperties v1 (2 Aug 2026), aggregated by ZIP code and year of loss on this site; no property-level record is shown. County storm figures from NOAA NCEI through 30 Jun 2026. Built 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.