County Hazards

States › California › Napa County › ZIP 94559

ZIP code 94559, Napa 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 723 NFIP claims for ZIP 94559 (Napa County, California), with $15M paid on 604 claims since 1978.

That is 53.1% of the 1,361 claims recorded across Napa County. The average paid claim in the ZIP is $24K, close to the county average of $27K and the California average of $21K.

FEMA counts 38 repetitive-loss properties and 9 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 868 residential flood policies in force, covering 1.9% of residential structures.

723NFIP claims since 1978
604paid claims
$15Mtotal paid
$24Kaverage paid claim

Compared with the county and state

MeasureZIP 94559NapaCaliforniaUS
Claims since 19787231,36153,5632,680,429
Share of claims paid84%81%66%78%
Average paid claim$24K$27K$21K$43K
Share of county claims53.1%100%——
Repetitive-loss properties38943,456—

Claims by year of loss

197820022026
NFIP claims in ZIP 94559 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$1,225
1980s166$2,094,745
1990s294$3,572,621
2000s255$8,979,240
2010s7$37,883
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
201910$0—
201722$36,582$18,291
201510$0—
201431$1,300$1,300
20061513$259,118$19,932
2005212197$8,446,784$42,877
20022822$273,338$12,424
19981512$105,590$8,799
19974128$212,102$7,575
199666$8,771$1,462
1995210161$3,105,017$19,286
19932114$134,655$9,618
199211$6,486$6,486
198710$0—
198610395$1,772,167$18,654
198510$0—
19834841$265,635$6,479
198298$54,096$6,762
198110$0—
198032$2,847$1,424
197811$1,225$1,225

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: Napa County

Napa County has 97 weather events in the NCEI record since 1950 (3 in the last 12 months), 39 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 49; hurricane-strength tracks within 50 miles: 0.

Hail: 7 · Tornado: 1 · Flood: 49 · Wind: 8 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 94559?

723 claims since 1978 in the OpenFEMA NFIP claims file, 604 of them with a payment.

How much has the NFIP paid out in ZIP 94559?

$15M across 604 paid claims (building, contents and increased-cost-of-compliance payments combined), about $24K per paid claim.

Which year had the most flood claims in 94559?

2005, with 212 claims and $8.4M paid.

What county is ZIP 94559 in?

Most claims in this ZIP carry the county code for Napa 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 30 Sep 2026. See the guide to redacted NFIP claims and the methodology.