County Hazards

States › New York › Suffolk County › ZIP 11721

ZIP code 11721, Suffolk 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 56 NFIP claims for ZIP 11721 (Suffolk County, New York), with $1.6M paid on 37 claims since 1978.

That is 0.2% of the 33,936 claims recorded across Suffolk County. The average paid claim in the ZIP is $43K, close to the county average of $41K and the New York average of $40K.

FEMA counts 4 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 26,160 residential flood policies in force, covering 5.4% of residential structures.

56NFIP claims since 1978
37paid claims
$1.6Mtotal paid
$43Kaverage paid claim

Compared with the county and state

MeasureZIP 11721SuffolkNew YorkUS
Claims since 19785633,936175,4302,680,429
Share of claims paid66%81%82%78%
Average paid claim$43K$41K$40K$43K
Share of county claims0.2%100%——
Repetitive-loss properties43,46119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11721 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s7$4,176
1980s9$2,569
1990s18$198,771
2000s4$7,543
2010s16$1,353,703
2020s2$22,196
Year of lossClaimsPaid claimsAmount paidAverage paid
202121$22,196$22,196
201610$0—
20121111$1,175,115$106,829
201143$178,588$59,529
200911$2,197$2,197
200520$0—
200311$5,346$5,346
199611$67,007$67,007
199453$12,808$4,269
1992107$113,456$16,208
199121$5,500$5,500
198910$0—
198441$711$711
198210$0—
198032$1,858$929
197942$455$228
197833$3,721$1,240

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: Suffolk County

Suffolk County has 877 weather events in the NCEI record since 1950 (25 in the last 12 months), 36 federal disaster declarations, and an overall National Risk Index rating of "Relatively High". Flood-type events recorded in the county: 253; hurricane-strength tracks within 50 miles: 9.

Hail: 107 · Tornado: 32 · Flood: 253 · Wind: 410 · Winter: 3 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 11721?

56 claims since 1978 in the OpenFEMA NFIP claims file, 37 of them with a payment.

How much has the NFIP paid out in ZIP 11721?

$1.6M across 37 paid claims (building, contents and increased-cost-of-compliance payments combined), about $43K per paid claim.

Which year had the most flood claims in 11721?

2012, with 11 claims and $1.2M paid.

What county is ZIP 11721 in?

Most claims in this ZIP carry the county code for Suffolk 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.