County Hazards

States › California › Contra Costa County › ZIP 94596

ZIP code 94596, Contra Costa 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 94596, in Contra Costa County, California, has 67 National Flood Insurance Program claims in the OpenFEMA record since 1978, 43 of them paid for a total of $868K.

That is 5.6% of the 1,202 claims recorded across Contra Costa County. The average paid claim in the ZIP is $20K, close to the county average of $19K and the California average of $21K.

FEMA counts 4 repetitive-loss properties and 2 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 2,681 residential flood policies in force, covering 0.9% of residential structures.

67NFIP claims since 1978
43paid claims
$868Ktotal paid
$20Kaverage paid claim

Compared with the county and state

MeasureZIP 94596Contra CostaCaliforniaUS
Claims since 1978671,20253,5632,680,429
Share of claims paid64%56%66%78%
Average paid claim$20K$19K$21K$43K
Share of county claims5.6%100%——
Repetitive-loss properties4763,456—

Claims by year of loss

197820022026
NFIP claims in ZIP 94596 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s25$49,499
1990s14$129,257
2000s17$359,686
2010s6$11,085
2020s5$318,349
Year of lossClaimsPaid claimsAmount paidAverage paid
202310$0—
202233$318,349$106,116
202110$0—
201910$0—
201732$11,085$5,543
201610$0—
201510$0—
200544$205,275$51,319
200411$710$710
20021111$153,701$13,973
200110$0—
199831$8,786$8,786
199721$7,024$7,024
199522$50,645$25,322
199365$62,802$12,560
199010$0—
198610$0—
198410$0—
198363$14,627$4,876
1982148$30,466$3,808
198032$4,406$2,203

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: Contra Costa County

Contra Costa County has 108 weather events in the NCEI record since 1950 (3 in the last 12 months), 21 federal disaster declarations, and an overall National Risk Index rating of "Very High". Flood-type events recorded in the county: 71; hurricane-strength tracks within 50 miles: 0.

Hail: 14 · Tornado: 5 · Flood: 71 · Wind: 4 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 94596?

67 claims since 1978 in the OpenFEMA NFIP claims file, 43 of them with a payment.

How much has the NFIP paid out in ZIP 94596?

$868K across 43 paid claims (building, contents and increased-cost-of-compliance payments combined), about $20K per paid claim.

Which year had the most flood claims in 94596?

1982, with 14 claims and $30K paid.

What county is ZIP 94596 in?

Most claims in this ZIP carry the county code for Contra Costa 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.