County Hazards

States › Washington › King County › ZIP 98166

ZIP code 98166, King 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 60 NFIP claims for ZIP 98166 (King County, Washington), with $667K paid on 42 claims since 1978.

That is 1.8% of the 3,384 claims recorded across King County. The average paid claim in the ZIP is $16K, lower than the county average of $25K and the Washington average of $29K.

FEMA counts 10 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 4,529 residential flood policies in force, covering 0.8% of residential structures.

60NFIP claims since 1978
42paid claims
$667Ktotal paid
$16Kaverage paid claim

Compared with the county and state

MeasureZIP 98166KingWashingtonUS
Claims since 1978603,38416,0742,680,429
Share of claims paid70%79%80%78%
Average paid claim$16K$25K$29K$43K
Share of county claims1.8%100%——
Repetitive-loss properties103531,444—

Claims by year of loss

197820022026
NFIP claims in ZIP 98166 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$0
1980s15$60,647
1990s22$265,380
2000s9$85,138
2010s9$2,734
2020s4$252,881
Year of lossClaimsPaid claimsAmount paidAverage paid
202411$8,956$8,956
202233$243,925$81,308
201520$0—
201410$0—
201210$0—
201052$2,734$1,367
200755$50,275$10,055
200343$34,863$11,621
199821$2,005$2,005
199710$0—
199654$43,650$10,913
199521$15,180$15,180
199411$2,740$2,740
199133$33,838$11,279
199086$167,966$27,994
198655$31,540$6,308
198311$8,040$8,040
198221$1,801$1,801
198154$19,026$4,757
198021$239$239
197910$0—

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: King County

King County has 83 weather events in the NCEI record since 1950 (0 in the last 12 months), 35 federal disaster declarations, and an overall National Risk Index rating of "Very High". Flood-type events recorded in the county: 8; hurricane-strength tracks within 50 miles: 0.

Hail: 4 · Tornado: 5 · Flood: 8 · Wind: 7 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 98166?

60 claims since 1978 in the OpenFEMA NFIP claims file, 42 of them with a payment.

How much has the NFIP paid out in ZIP 98166?

$667K across 42 paid claims (building, contents and increased-cost-of-compliance payments combined), about $16K per paid claim.

Which year had the most flood claims in 98166?

1990, with 8 claims and $168K paid.

What county is ZIP 98166 in?

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