County Hazards

States › New York › Nassau County › ZIP 11709

ZIP code 11709, 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 1,384 NFIP claims for ZIP 11709 (Nassau County, New York), with $23M paid on 1,180 claims since 1978.

That is 2.7% of the 51,523 claims recorded across Nassau County. The average paid claim in the ZIP is $20K, lower than the county average of $51K and the New York average of $40K.

FEMA counts 160 repetitive-loss properties and 15 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.

1,384NFIP claims since 1978
1,180paid claims
$23Mtotal paid
$20Kaverage paid claim

Compared with the county and state

MeasureZIP 11709NassauNew YorkUS
Claims since 19781,38451,523175,4302,680,429
Share of claims paid85%87%82%78%
Average paid claim$20K$51K$40K$43K
Share of county claims2.7%100%——
Repetitive-loss properties1606,49119,079—

Claims by year of loss

197820022026
NFIP claims in ZIP 11709 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s34$43,461
1980s112$106,218
1990s574$7,990,692
2000s83$456,276
2010s560$14,595,093
2020s21$126,081
Year of lossClaimsPaid claimsAmount paidAverage paid
202333$25,337$8,446
202221$8,324$8,324
20211513$88,442$6,803
202011$3,978$3,978
201920$0—
201853$84,056$28,019
201510$0—
201421$9,936$9,936
201310$0—
2012472428$13,883,901$32,439
20114938$522,225$13,743
20102819$94,975$4,999
200921$21,025$21,025
200811$861$861
200730$0—
200611$6,509$6,509
20057565$426,694$6,565
200311$1,187$1,187
199930$0—
199710$0—
1996193170$1,798,601$10,580
199431$2,797$2,797
199342$3,885$1,943
1992352328$6,088,738$18,563
1991169$96,109$10,679
199021$562$562
198941$286$286
198821$1,000$1,000
198561$165$165
19844018$36,263$2,015
198352$643$322
198211$1,552$1,552
198133$1,983$661
19805141$64,326$1,569
197984$8,436$2,109
19782621$35,025$1,668

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 11709?

1,384 claims since 1978 in the OpenFEMA NFIP claims file, 1,180 of them with a payment.

How much has the NFIP paid out in ZIP 11709?

$23M across 1,180 paid claims (building, contents and increased-cost-of-compliance payments combined), about $20K per paid claim.

Which year had the most flood claims in 11709?

2012, with 472 claims and $14M paid.

What county is ZIP 11709 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.