County Hazards

States › California › Sonoma County › ZIP 94952

ZIP code 94952, Sonoma 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 94952, in Sonoma County, California, has 457 National Flood Insurance Program claims in the OpenFEMA record since 1978, 383 of them paid for a total of $8.2M.

That is 6.2% of the 7,403 claims recorded across Sonoma County. The average paid claim in the ZIP is $21K, close to the county average of $21K and the California average of $21K.

FEMA counts 42 repetitive-loss properties and 5 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 1,790 residential flood policies in force, covering 1.1% of residential structures.

457NFIP claims since 1978
383paid claims
$8.2Mtotal paid
$21Kaverage paid claim

Compared with the county and state

MeasureZIP 94952SonomaCaliforniaUS
Claims since 19784577,40353,5632,680,429
Share of claims paid84%84%66%78%
Average paid claim$21K$21K$21K$43K
Share of county claims6.2%100%——
Repetitive-loss properties428753,456—

Claims by year of loss

197820022026
NFIP claims in ZIP 94952 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s2$5,300
1980s248$2,654,809
1990s159$2,588,672
2000s32$2,716,304
2010s16$245,475
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
201954$114,535$28,634
201810$0—
201733$79,837$26,612
201433$50,108$16,703
201210$0—
201111$995$995
201020$0—
20081111$690,732$62,794
200655$394,079$78,816
20051411$1,624,955$147,723
200021$6,538$6,538
199921$19,534$19,534
1998127113$2,422,317$21,436
199732$14,445$7,223
199642$16,821$8,410
19952213$115,555$8,889
199310$0—
19869371$898,338$12,653
19834334$197,757$5,816
198210499$1,548,260$15,639
198087$10,454$1,493
197911$2,217$2,217
197811$3,083$3,083

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: Sonoma County

Sonoma County has 423 weather events in the NCEI record since 1950 (16 in the last 12 months), 36 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 300; hurricane-strength tracks within 50 miles: 0.

Hail: 21 · Tornado: 13 · Flood: 300 · Wind: 1 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 94952?

457 claims since 1978 in the OpenFEMA NFIP claims file, 383 of them with a payment.

How much has the NFIP paid out in ZIP 94952?

$8.2M across 383 paid claims (building, contents and increased-cost-of-compliance payments combined), about $21K per paid claim.

Which year had the most flood claims in 94952?

1998, with 127 claims and $2.4M paid.

What county is ZIP 94952 in?

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