County Hazards

States › California › Alameda County › ZIP 94605

ZIP code 94605, Alameda 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.

OpenFEMA lists 51 NFIP claims for ZIP 94605 (Alameda County, California), with $267K paid on 27 claims since 1978.

That is 9% of the 568 claims recorded across Alameda County. The average paid claim in the ZIP is $10K, lower than the county average of $16K and the California average of $21K.

FEMA counts 1 repetitive-loss property and 0 severe repetitive-loss properties in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 3,420 residential flood policies in force, covering 0.8% of residential structures.

51NFIP claims since 1978
27paid claims
$267Ktotal paid
$10Kaverage paid claim

Compared with the county and state

MeasureZIP 94605AlamedaCaliforniaUS
Claims since 19785156853,5632,680,429
Share of claims paid53%51%66%78%
Average paid claim$10K$16K$21K$43K
Share of county claims9.0%100%——
Repetitive-loss properties1133,456—

Claims by year of loss

197820022026
NFIP claims in ZIP 94605 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s6$6,239
1980s17$9,404
1990s12$15,507
2000s3$2,854
2010s3$1,294
2020s10$231,271
Year of lossClaimsPaid claimsAmount paidAverage paid
202511$32,842$32,842
202410$0—
202354$160,528$40,132
202211$34,536$34,536
202121$3,365$3,365
201710$0—
201311$771$771
201211$523$523
200511$2,344$2,344
200110$0—
200011$510$510
199864$12,524$3,131
199720$0—
199611$325$325
199521$1,908$1,908
199311$750$750
198610$0—
198410$0—
198332$3,460$1,730
1982104$5,519$1,380
198021$425$425
197932$6,239$3,119
197830$0—

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: Alameda County

Alameda County has 241 weather events in the NCEI record since 1950 (17 in the last 12 months), 24 federal disaster declarations, and an overall National Risk Index rating of "Very High". Flood-type events recorded in the county: 179; hurricane-strength tracks within 50 miles: 0.

Hail: 20 · Tornado: 3 · Flood: 179 · Wind: 7 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 94605?

51 claims since 1978 in the OpenFEMA NFIP claims file, 27 of them with a payment.

How much has the NFIP paid out in ZIP 94605?

$267K across 27 paid claims (building, contents and increased-cost-of-compliance payments combined), about $10K per paid claim.

Which year had the most flood claims in 94605?

1982, with 10 claims and $6K paid.

What county is ZIP 94605 in?

Most claims in this ZIP carry the county code for Alameda 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.