County Hazards

States › New York › Nassau County › ZIP 11518

ZIP code 11518, 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.

OpenFEMA lists 2,206 NFIP claims for ZIP 11518 (Nassau County, New York), with $91M paid on 1,948 claims since 1978.

That is 4.3% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $47K, close to the county average of $51K and the New York average of $40K.

FEMA counts 391 repetitive-loss properties and 38 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.

2,206NFIP claims since 1978
1,948paid claims
$91Mtotal paid
$47Kaverage paid claim

Compared with the county and state

MeasureZIP 11518NassauNew YorkUS
Claims since 19782,20651,523175,4302,680,429
Share of claims paid88%87%82%78%
Average paid claim$47K$51K$40K$43K
Share of county claims4.3%100%——
Repetitive-loss properties3916,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11518 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s17$10,313
1980s89$196,715
1990s310$1,950,224
2000s139$651,625
2010s1,554$86,763,918
2020s97$1,424,394
Year of lossClaimsPaid claimsAmount paidAverage paid
2024139$182,205$20,245
20231510$59,922$5,992
20225842$1,134,215$27,005
2021105$48,053$9,611
202010$0—
201941$8,948$8,948
201887$127,026$18,147
201641$17,331$17,331
201510$0—
201482$12,637$6,319
201331$1,321$1,321
20121,0761,054$79,123,459$75,070
2011396356$7,257,441$20,386
20105439$215,755$5,532
200921$323$323
200842$2,569$1,285
20071813$91,626$7,048
200622$23,112$11,556
200510578$521,711$6,689
200363$10,663$3,554
200221$1,621$1,621
199810$0—
199711$4,408$4,408
19961810$36,099$3,610
199510$0—
19934739$208,041$5,334
1992182156$1,389,829$8,909
19915743$310,157$7,213
199031$1,689$1,689
198963$7,855$2,618
19872421$59,204$2,819
19854029$110,970$3,827
1984104$3,105$776
198331$4,967$4,967
198222$3,359$1,679
198042$7,255$3,627
197964$2,285$571
1978115$8,029$1,606

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 11518?

2,206 claims since 1978 in the OpenFEMA NFIP claims file, 1,948 of them with a payment.

How much has the NFIP paid out in ZIP 11518?

$91M across 1,948 paid claims (building, contents and increased-cost-of-compliance payments combined), about $47K per paid claim.

Which year had the most flood claims in 11518?

2012, with 1,076 claims and $79M paid.

What county is ZIP 11518 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.