Nassau, NY natural hazards
Most of the natural-hazard damage FEMA expects in Nassau comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 16 claims here since 1978. 7 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Nassau?
FEMA expects yearly storm and flood damage to homes and buildings in Nassau to be higher than in 65% of U.S. communities, mostly from inland flooding.
What Nassau faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Inland flooding
Tornadoes
Hail
Lower here
Not a risk here
Does Nassau flood?
Every paid claim on a federal flood insurance policy in Nassau, from FEMA’s records.
Biggest named events
- December Storm - Nor'easter: 3 claims, $13K
- Hurricane Sandy: 3 claims, $298K
- The “Halloween” storm: 2 claims, $11K
Homes that flooded again and again
■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times
are insured
7 federal disasters brought FEMA money here
Disasters the President declared that paid out in Nassau itself: aid to households, or repair grants to the Village of Nassau.
Severe Winter Storm and Snowstorm
Hurricane Irene
Severe Winter Storm
Severe Storms and Flooding
Severe Storms, Flooding, and Tornadoes
Snowstorms
Severe Storms and Flooding
Nassau and the towns around it
How to read this page
FEMA’s expected losses across Nassau total about $351K a year, counting buildings, people and crops.
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.