County Hazards

States › California › San Mateo County › ZIP 94025

ZIP code 94025, San Mateo 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 57 NFIP claims for ZIP 94025 (San Mateo County, California), with $1.6M paid on 37 claims since 1978.

That is 5.1% of the 1,110 claims recorded across San Mateo County. The average paid claim in the ZIP is $43K, higher than the county average of $28K and the California average of $21K.

FEMA counts 3 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 3,346 residential flood policies in force, covering 1.8% of residential structures.

57NFIP claims since 1978
37paid claims
$1.6Mtotal paid
$43Kaverage paid claim

Compared with the county and state

MeasureZIP 94025San MateoCaliforniaUS
Claims since 1978571,11053,5632,680,429
Share of claims paid65%64%66%78%
Average paid claim$43K$28K$21K$43K
Share of county claims5.1%100%——
Repetitive-loss properties3473,456—

Claims by year of loss

197820022026
NFIP claims in ZIP 94025 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s3$7,691
1980s8$20,837
1990s23$612,551
2000s7$173,059
2010s5$17,013
2020s11$759,388
Year of lossClaimsPaid claimsAmount paidAverage paid
202510$0—
202321$24,658$24,658
202265$270,739$54,148
202121$463,990$463,990
201910$0—
201231$12,420$12,420
201011$4,592$4,592
200911$95,665$95,665
200811$50,314$50,314
200611$5,417$5,417
200510$0—
200232$21,663$10,832
19982318$612,551$34,031
198342$20,837$10,418
198220$0—
198020$0—
197833$7,691$2,564

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: San Mateo County

San Mateo County has 178 weather events in the NCEI record since 1950 (19 in the last 12 months), 24 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 98; hurricane-strength tracks within 50 miles: 0.

Hail: 9 · Tornado: 4 · Flood: 98 · Wind: 31 · Winter: 1 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 94025?

57 claims since 1978 in the OpenFEMA NFIP claims file, 37 of them with a payment.

How much has the NFIP paid out in ZIP 94025?

$1.6M across 37 paid claims (building, contents and increased-cost-of-compliance payments combined), about $43K per paid claim.

Which year had the most flood claims in 94025?

1998, with 23 claims and $613K paid.

What county is ZIP 94025 in?

Most claims in this ZIP carry the county code for San Mateo 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.