County Hazards

States › New York › Nassau County › ZIP 11558

ZIP code 11558, 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 3,420 NFIP claims for ZIP 11558 (Nassau County, New York), with $204M paid on 3,125 claims since 1978.

That is 6.6% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $65K, higher than the county average of $51K and the New York average of $40K.

FEMA counts 489 repetitive-loss properties and 74 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.

3,420NFIP claims since 1978
3,125paid claims
$204Mtotal paid
$65Kaverage paid claim

Compared with the county and state

MeasureZIP 11558NassauNew YorkUS
Claims since 19783,42051,523175,4302,680,429
Share of claims paid91%87%82%78%
Average paid claim$65K$51K$40K$43K
Share of county claims6.6%100%——
Repetitive-loss properties4896,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11558 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s55$193,368
1980s176$485,126
1990s542$6,044,918
2000s105$899,983
2010s2,428$193,434,579
2020s114$2,603,690
Year of lossClaimsPaid claimsAmount paidAverage paid
2024139$98,367$10,930
2023168$82,382$10,298
20228172$2,409,505$33,465
202132$13,436$6,718
202010$0—
201931$17,443$17,443
20181513$300,607$23,124
201731$9,226$9,226
201610$0—
201530$0—
201473$7,563$2,521
201321$6,374$6,374
20121,7951,749$179,040,460$102,367
2011544490$12,855,195$26,235
20105546$1,197,712$26,037
200910$0—
200766$59,118$9,853
200621$8,107$8,107
20057869$803,404$11,644
200410$0—
200363$12,260$4,087
200222$3,593$1,796
200132$3,135$1,568
200063$10,366$3,455
199922$3,627$1,813
199853$14,496$4,832
19962219$258,586$13,610
199411$2,951$2,951
19934740$296,823$7,421
1992365315$4,246,772$13,482
19919981$1,218,330$15,041
199011$3,334$3,334
198994$9,866$2,467
19875346$170,149$3,699
198611$18,562$18,562
19856453$239,644$4,522
19842312$34,376$2,865
198373$1,671$557
198222$2,714$1,357
198132$2,463$1,232
19801410$5,681$568
19792825$70,961$2,838
19782724$122,407$5,100

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 11558?

3,420 claims since 1978 in the OpenFEMA NFIP claims file, 3,125 of them with a payment.

How much has the NFIP paid out in ZIP 11558?

$204M across 3,125 paid claims (building, contents and increased-cost-of-compliance payments combined), about $65K per paid claim.

Which year had the most flood claims in 11558?

2012, with 1,795 claims and $179M paid.

What county is ZIP 11558 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.