TownTapestry
Sign inJoin
WilliamsvilleGood night
Natural hazards · Williamsville

Williamsville, NY natural hazards

Most of the natural-hazard damage FEMA expects in Williamsville comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 85 claims here since 1978. 7 federal disasters brought FEMA money into town.

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

How exposed is Williamsville?

25
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Williamsville to be higher than in 25% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding67%Cold waves22%Everything else11%
By hazard

What Williamsville faces

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

Inland flooding

67% of expected damage
Above average · higher than 56% of U.S. places
Recorded about 4 times a year in the area

Cold waves

22% of expected damage
Below average · higher than 46% of U.S. places
Recorded about 7 times a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 Williamsville flood?

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

85paid claims since 1978
$509Kpaid to owners
1homes flooded more than once
19782026

Biggest named events

  • Not a named storm: 1 claim, $450

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

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

7 federal disasters brought FEMA money here

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

Brought FEMA money into WilliamsvilleDeclared for Erie County only
2022

Severe Winter Storm and Snowstorm

$22K to the Village of Williamsville for repairs
2009

Severe Storms and Flooding

1 household applied for aid
2006

Severe Storms and Flooding

1,358 households applied for aid $615K aid approved $409K to the Village of Williamsville for repairs
2001

Severe Winter Storm

$12K to the Village of Williamsville for repairs
2000

Snow

$10K to the Village of Williamsville for repairs
2000

Severe Storms and Flooding

$3K to the Village of Williamsville for repairs
1999

Snow

$9K to the Village of Williamsville for repairs
Erie County has had 20 natural disasters declared since 1953, most often winter storms and severe storms.
Around Williamsville

Williamsville and the towns around it

Cheektowaga: Low, mostly inland floodingAmherst: Low, mostly inland floodingWest Seneca: High, mostly inland floodingBuffalo: High, mostly inland floodingSloan: Very high, mostly inland floodingLancaster: Very low, mostly inland floodingPendleton: High, mostly inland floodingNorth Tonawanda: High, mostly inland floodingTonawanda: Moderate, mostly inland floodingWheatfield: High, mostly inland floodingClarence: Low, mostly inland floodingWilliamsville: Low, mostly inland flooding WilliamsvilleCheektowagaAmherst
Very lowLowModerateHighVery high
Amherstmostly inland floodingLow
Cheektowagamostly inland floodingLow
Williamsvillemostly inland floodingLow
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. Williamsville covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Williamsville’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Village of Williamsville. 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 Williamsville total about $1.2M 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.

We left the porch light on

Where to, neighbor?

You’re in Williamsville, NYView boundary

Nearby

All towns & citiesExplore the map

Local begins with a boundary.

See what belongs to your selected town.

Loading boundary…

Williamsville is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

Neighborhoods narrow the feed further, while townwide announcements, events, and issues remain visible.

Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01
Open detailed map