County Hazards

States › New York › Suffolk County › ZIP 11933

ZIP code 11933, 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.

ZIP code 11933, in Suffolk County, New York, has 31 National Flood Insurance Program claims in the OpenFEMA record since 1978, 22 of them paid for a total of $285K.

That is 0.1% of the 33,936 claims recorded across Suffolk County. The average paid claim in the ZIP is $13K, lower than 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.

31NFIP claims since 1978
22paid claims
$285Ktotal paid
$13Kaverage paid claim

Compared with the county and state

MeasureZIP 11933SuffolkNew YorkUS
Claims since 19783133,936175,4302,680,429
Share of claims paid71%81%82%78%
Average paid claim$13K$41K$40K$43K
Share of county claims0.1%100%——
Repetitive-loss properties43,46119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11933 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s1$4,598
1980s3$3,016
1990s8$19,256
2000s5$63,288
2010s14$195,176
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
201810$0—
201265$99,209$19,842
201076$95,967$15,995
200610$0—
200522$40,670$20,335
200311$22,617$22,617
200110$0—
199810$0—
199411$1,595$1,595
199244$13,635$3,409
199121$4,026$4,026
198710$0—
198410$0—
198011$3,016$3,016
197911$4,598$4,598

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 11933?

31 claims since 1978 in the OpenFEMA NFIP claims file, 22 of them with a payment.

How much has the NFIP paid out in ZIP 11933?

$285K across 22 paid claims (building, contents and increased-cost-of-compliance payments combined), about $13K per paid claim.

Which year had the most flood claims in 11933?

2010, with 7 claims and $96K paid.

What county is ZIP 11933 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.