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Natural hazards · Greenburgh

Greenburgh, NY natural hazards

Most of the natural-hazard damage FEMA expects in Greenburgh comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 402 claims here since 1978. 9 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Greenburgh?

12
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Greenburgh to be higher than in 12% of U.S. communities, mostly from inland flooding.

Inland flooding65%Hurricanes9%Earthquakes8%Cold waves5%Everything else13%
By hazard

What Greenburgh faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

65% of expected damage
Below average · higher than 26% of U.S. places
Recorded about 4 times a year in the area

Hurricanes

9% of expected damage
Above average · higher than 72% of U.S. places
Recorded about once every 7 years in the area

Earthquakes

8% of expected damage
Above average · higher than 63% of U.S. places

Cold waves

5% of expected damage
Below average · higher than 26% of U.S. places
Recorded about once a year in the area

Lower here

Coastal floodingTornadoesHailIce stormsWinter weatherHeat wavesWildfireLandslidesStrong windLightning

Not a risk here

DroughtAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Greenburgh flood?

Every paid claim on a federal flood insurance policy in Greenburgh, from FEMA’s records.

402paid claims since 1978
$11.1Mpaid to owners
67homes flooded more than once
19782026

Biggest named events

  • Hurricane Ida: 59 claims, $3.6M
  • Not a named storm: 56 claims, $227K
  • Late-September New York Flooding: 49 claims, $1.9M

Homes that flooded again and again

Each house = 2 homes. ■ FEMA “severe repetitive loss” (18) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Greenburgh isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Westchester County.

What’s been done with FEMA grants

1flood-prone properties bought out and cleared
Disasters that hit Greenburgh

9 federal disasters brought FEMA money here

Disasters the President declared that paid out in Greenburgh itself: aid to households, or repair grants to the Town of Greenburgh.

Brought FEMA money into GreenburghDeclared for Westchester County only
2021

Remnants of Hurricane Ida

$1.8M to the Town of Greenburgh for repairs
2020

Tropical Storm Isaias

$672K to the Town of Greenburgh for repairs
2012

Hurricane Sandy

$1.1M to the Town of Greenburgh for repairs
2011

Hurricane Irene

$686K to the Town of Greenburgh for repairs
2010

Severe Storms and Flooding

$788K to the Town of Greenburgh for repairs
2007

Severe Storms and Inland and Coastal Flooding

$74K to the Town of Greenburgh for repairs
2005

Severe Storms and Flooding

$4K to the Town of Greenburgh for repairs
2003

Snow

$88K to the Town of Greenburgh for repairs
1999

Hurricane Floyd Major Disaster Declarations

$95K to the Town of Greenburgh for repairs
Westchester County has had 24 natural disasters declared since 1953, most often hurricanes and floods.
Around Greenburgh

Greenburgh and the towns around it

Mount Pleasant: Very low, mostly inland floodingTarrytown: Very low, mostly inland floodingWhite Plains: Very low, mostly inland floodingSleepy Hollow: Very low, mostly inland floodingScarsdale: Very low, mostly inland floodingNorth Castle: Very low, mostly inland floodingOrangetown: Very low, mostly inland floodingYonkers: Low, mostly inland floodingHastings-on-Hudson: Low, mostly inland floodingIrvington: Very low, mostly inland floodingDobbs Ferry: Very low, mostly inland floodingAlpine: Very low, mostly inland floodingOssining: Very low, mostly inland floodingBriarcliff Manor: Very low, mostly inland floodingNew Castle: Very low, mostly inland floodingUpper Nyack: Very low, mostly inland floodingClarkstown: Very low, mostly inland floodingNyack: Very low, mostly inland floodingHarrison: Very low, mostly inland floodingHarrison: Very low, mostly inland floodingNew Rochelle: Very low, mostly inland floodingMamaroneck: Moderate, mostly inland floodingEastchester: Low, mostly inland floodingPound Ridge: Very low, mostly inland floodingGreenwich: High, mostly inland floodingStamford: High, mostly inland floodingBedford: Low, mostly inland floodingRye Brook: Low, mostly inland floodingRye: Moderate, mostly inland floodingChestnut Ridge: Very low, mostly inland floodingRamapo: Low, mostly inland floodingMount Vernon: Low, mostly inland floodingNew York: Very low, mostly inland floodingBronxville: Low, mostly inland floodingTuckahoe: Moderate, mostly inland floodingArdsley: Very low, mostly inland floodingDemarest: Moderate, mostly inland floodingCresskill: Low, mostly inland floodingCloster: Low, mostly inland floodingTenafly: Low, mostly inland floodingNorwood: Low, mostly inland floodingRockleigh: Low, mostly inland floodingGreenburgh: Very low, mostly inland flooding GreenburghMount PleasantTarrytownWhite PlainsSleepy HollowScarsdaleNorth CastleOrangetownYonkersHastings-on-HudsonIrvingtonDobbs FerryAlpine
Very lowLowModerateHighVery high
Hastings-on-Hudsonmostly inland floodingLow
Yonkersmostly inland floodingLow
Sleepy Hollowmostly inland floodingVery low
North Castlemostly inland floodingVery low
Scarsdalemostly inland floodingVery low
Greenburghmostly inland floodingVery low
Tarrytownmostly inland floodingVery low
White Plainsmostly inland floodingVery low
Orangetownmostly inland floodingVery low
Mount Pleasantmostly inland floodingVery low
Dobbs Ferrymostly inland floodingVery low
Irvingtonmostly inland floodingVery low
Alpinemostly inland floodingVery low
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Greenburgh covers 21 census tracts, combined by population.
Money that reached townFlood claims are matched to Greenburgh’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Greenburgh. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Greenburgh total about $17.3M 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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
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