County Hazards

States › New York › Nassau County › ZIP 11771

ZIP code 11771, Nassau 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.

ZIP code 11771, in Nassau County, New York, has 111 National Flood Insurance Program claims in the OpenFEMA record since 1978, 68 of them paid for a total of $2.5M.

That is 0.2% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $36K, lower than the county average of $51K and the New York average of $40K.

FEMA counts 7 repetitive-loss properties and 0 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 35,824 residential flood policies in force, covering 9.7% of residential structures.

111NFIP claims since 1978
68paid claims
$2.5Mtotal paid
$36Kaverage paid claim

Compared with the county and state

MeasureZIP 11771NassauNew YorkUS
Claims since 197811151,523175,4302,680,429
Share of claims paid61%87%82%78%
Average paid claim$36K$51K$40K$43K
Share of county claims0.2%100%——
Repetitive-loss properties76,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11771 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s5$8,593
1980s13$5,896
1990s18$106,284
2000s10$100,257
2010s57$2,209,241
2020s8$36,614
Year of lossClaimsPaid claimsAmount paidAverage paid
202422$19,212$9,606
202211$8,498$8,498
202141$8,903$8,903
202010$0—
201411$7,086$7,086
20123629$2,125,962$73,309
2011156$44,047$7,341
201055$32,146$6,429
200933$56,876$18,959
200531$22,661$22,661
200411$12,970$12,970
200311$7,750$7,750
200120$0—
199910$0—
199711$1,799$1,799
199410$0—
1992138$102,520$12,815
199121$1,965$1,965
198810$0—
198450$0—
198321$3,244$3,244
198210$0—
198042$2,652$1,326
197932$1,822$911
197822$6,771$3,386

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: Nassau County

Nassau County has 700 weather events in the NCEI record since 1950 (7 in the last 12 months), 31 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 227; hurricane-strength tracks within 50 miles: 6.

Hail: 81 · Tornado: 9 · Flood: 227 · Wind: 278 · Winter: 34 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 11771?

111 claims since 1978 in the OpenFEMA NFIP claims file, 68 of them with a payment.

How much has the NFIP paid out in ZIP 11771?

$2.5M across 68 paid claims (building, contents and increased-cost-of-compliance payments combined), about $36K per paid claim.

Which year had the most flood claims in 11771?

2012, with 36 claims and $2.1M paid.

What county is ZIP 11771 in?

Most claims in this ZIP carry the county code for Nassau 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 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.