County Hazards

States › New York › Nassau County › ZIP 11559

ZIP code 11559, 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 11559, in Nassau County, New York, has 664 National Flood Insurance Program claims in the OpenFEMA record since 1978, 561 of them paid for a total of $39M.

That is 1.3% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $69K, higher than the county average of $51K and the New York average of $40K.

FEMA counts 64 repetitive-loss properties and 7 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.

664NFIP claims since 1978
561paid claims
$39Mtotal paid
$69Kaverage paid claim

Compared with the county and state

MeasureZIP 11559NassauNew YorkUS
Claims since 197866451,523175,4302,680,429
Share of claims paid84%87%82%78%
Average paid claim$69K$51K$40K$43K
Share of county claims1.3%100%——
Repetitive-loss properties646,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11559 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s26$79,813
1980s60$115,816
1990s53$448,138
2000s28$159,165
2010s457$36,851,432
2020s40$1,050,181
Year of lossClaimsPaid claimsAmount paidAverage paid
202452$93,197$46,598
20231916$608,150$38,009
20221411$348,834$31,712
202110$0—
202010$0—
201910$0—
201843$92,297$30,766
201653$28,779$9,593
2014117$90,597$12,942
201311$5,590$5,590
2012355325$35,438,739$109,042
20116858$1,109,954$19,137
20101210$85,476$8,548
200743$8,230$2,743
200611$11,354$11,354
20052016$132,885$8,305
200210$0—
200111$6,696$6,696
200010$0—
199911$110,000$110,000
199830$0—
199631$10,457$10,457
199410$0—
199397$39,209$5,601
19923427$273,691$10,137
199122$14,781$7,391
198911$6,202$6,202
198787$16,182$2,312
198610$0—
19851410$30,388$3,039
198432$1,783$892
198386$17,759$2,960
198232$2,832$1,416
198110$0—
19802119$40,670$2,141
19791712$45,861$3,822
197897$33,952$4,850

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 11559?

664 claims since 1978 in the OpenFEMA NFIP claims file, 561 of them with a payment.

How much has the NFIP paid out in ZIP 11559?

$39M across 561 paid claims (building, contents and increased-cost-of-compliance payments combined), about $69K per paid claim.

Which year had the most flood claims in 11559?

2012, with 355 claims and $35M paid.

What county is ZIP 11559 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.