County Hazards

States › Washington › Mason County › ZIP 98548

ZIP code 98548, Mason County, Washington

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 10 NFIP claims for ZIP 98548 (Mason County, Washington), with $394K paid on 7 claims since 1978.

That is 3.3% of the 305 claims recorded across Mason County. The average paid claim in the ZIP is $56K, higher than the county average of $25K and the Washington average of $29K.

At county level FEMA counts 419 residential flood policies in force, covering 1.2% of residential structures.

10NFIP claims since 1978
7paid claims
$394Ktotal paid
$56Kaverage paid claim

Compared with the county and state

MeasureZIP 98548MasonWashingtonUS
Claims since 19781030516,0742,680,429
Share of claims paid70%84%80%78%
Average paid claim$56K$25K$29K$43K
Share of county claims3.3%100%——
Repetitive-loss properties0261,444—

Claims by year of loss

197820022026
NFIP claims in ZIP 98548 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s0$0
1990s0$0
2000s8$146,086
2010s0$0
2020s2$247,495
Year of lossClaimsPaid claimsAmount paidAverage paid
202222$247,495$123,747
200911$2,755$2,755
200774$143,331$35,833

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: Mason County

Mason County has 17 weather events in the NCEI record since 1950 (0 in the last 12 months), 32 federal disaster declarations, and an overall National Risk Index rating of "Relatively Moderate". Flood-type events recorded in the county: 5; hurricane-strength tracks within 50 miles: 0.

Hail: 1 · Tornado: 1 · Flood: 5 · Wind: 0 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 98548?

10 claims since 1978 in the OpenFEMA NFIP claims file, 7 of them with a payment.

How much has the NFIP paid out in ZIP 98548?

$394K across 7 paid claims (building, contents and increased-cost-of-compliance payments combined), about $56K per paid claim.

Which year had the most flood claims in 98548?

2007, with 7 claims and $143K paid.

What county is ZIP 98548 in?

Most claims in this ZIP carry the county code for Mason County, Washington; 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.