County Hazards

States › New York › Westchester County › ZIP 10603

ZIP code 10603, Westchester County, New York

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 100 NFIP claims for ZIP 10603 (Westchester County, New York), with $919K paid on 71 claims since 1978.

That is 0.8% of the 12,259 claims recorded across Westchester County. The average paid claim in the ZIP is $13K, lower than the county average of $27K and the New York average of $40K.

FEMA counts 9 repetitive-loss properties and 2 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 6,276 residential flood policies in force, covering 3% of residential structures.

100NFIP claims since 1978
71paid claims
$919Ktotal paid
$13Kaverage paid claim

Compared with the county and state

MeasureZIP 10603WestchesterNew YorkUS
Claims since 197810012,259175,4302,680,429
Share of claims paid71%81%82%78%
Average paid claim$13K$27K$40K$43K
Share of county claims0.8%100%——
Repetitive-loss properties91,30419,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 10603 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s18$18,631
1980s25$59,827
1990s7$68,796
2000s15$167,725
2010s13$51,264
2020s22$552,375
Year of lossClaimsPaid claimsAmount paidAverage paid
202621$6,128$6,128
202532$143,328$71,664
202430$0—
202344$113,000$28,250
2021108$289,919$36,240
201811$1,240$1,240
201510$0—
2011108$50,024$6,253
201010$0—
200797$147,919$21,131
200632$9,977$4,989
200510$0—
200421$9,828$9,828
199955$58,521$11,704
199410$0—
199311$10,276$10,276
198911$620$620
198531$423$423
198486$38,440$6,407
198321$561$561
198210$0—
198142$11,094$5,547
198065$8,688$1,738
1979119$16,277$1,809
197876$2,354$392

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: Westchester County

Westchester County has 746 weather events in the NCEI record since 1950 (30 in the last 12 months), 32 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 270; hurricane-strength tracks within 50 miles: 4.

Hail: 81 · Tornado: 9 · Flood: 270 · Wind: 344 · Winter: 0 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 10603?

100 claims since 1978 in the OpenFEMA NFIP claims file, 71 of them with a payment.

How much has the NFIP paid out in ZIP 10603?

$919K across 71 paid claims (building, contents and increased-cost-of-compliance payments combined), about $13K per paid claim.

Which year had the most flood claims in 10603?

1979, with 11 claims and $16K paid.

What county is ZIP 10603 in?

Most claims in this ZIP carry the county code for Westchester County, New York; 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.