FloodZoneMap.org

Nassau County, New York Flood Zones

Check an Address in Nassau County

Enter any address in Nassau County, New York to see its FEMA flood zone

Nassau County Disaster History

Disaster Declarations
31
Flood/Coastal Disasters
4
Hurricane Disasters
12
Latest Disaster
SEVERE STORM AND FLOODING (2023-09-28)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Nassau County

DeclarationTypeDate
SEVERE STORM AND FLOODINGFlood2023-09-28
REMNANTS OF HURRICANE IDAHurricane2021-09-01
REMNANTS OF HURRICANE IDAHurricane2021-09-01
HURRICANE HENRIHurricane2021-08-21
TROPICAL STORM ISAIASHurricane2020-08-04
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
HURRICANE SANDYHurricane2012-10-27
HURRICANE SANDYHurricane2012-10-27
HURRICANE IRENEHurricane2011-08-26

Flood Zone Types in Nassau County

FEMA assigns flood zone designations to areas in Nassau County, New York:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Nassau County

Properties in Nassau County, New York that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.