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Natural hazards · Avon

Avon, MA natural hazards

Most of the natural-hazard damage FEMA expects in Avon comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 1 claim here since 2001. 11 federal disasters brought FEMA money into town.

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

How exposed is Avon?

2
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Avon to be higher than in 2% of U.S. communities, mostly from inland flooding and hurricanes.

Inland flooding60%Hurricanes18%Earthquakes12%Everything else10%
By hazard

What Avon faces

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

Inland flooding

60% of expected damage
Well below average · higher than 5% of U.S. places
Recorded about 3 times a year in the area

Hurricanes

18% of expected damage
Well above average · higher than 79% of U.S. places
Recorded about once every 5 years in the area

Earthquakes

12% of expected damage
Above average · higher than 64% of U.S. places

Lower here

TornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesStrong 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 Avon flood?

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

1paid claims since 2001
$717paid to owners
0homes flooded more than once
20012026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Avon isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Norfolk County.
Disasters that hit Avon

11 federal disasters brought FEMA money here

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

Brought FEMA money into AvonDeclared for Norfolk County only
2018

Severe Winter Storm and Snowstorm

$51K to the Town of Avon for repairs
2018

Severe Winter Storm and Flooding

$12K to the Town of Avon for repairs
2015

Severe Winter Storm, Snowstorm, and Flooding

$117K to the Town of Avon for repairs
2013

Severe Winter Storm, Snowstorm, and Flooding

$42K to the Town of Avon for repairs
2011

Tropical Storm Irene

$21K to the Town of Avon for repairs
2011

Severe Winter Storm and Snowstorm

$31K to the Town of Avon for repairs
2010

Severe Storms and Flooding

88 households applied for aid $196K aid approved $109K to the Town of Avon for repairs
2005

Severe Storms and Flooding

17 households applied for aid $43K aid approved
2005

Record And/Or Near Record Snow

$40K to the Town of Avon for repairs
2003

Snow

$56K to the Town of Avon for repairs
2001

Snow

$29K to the Town of Avon for repairs
Norfolk County has had 31 natural disasters declared since 1953, most often hurricanes and winter storms.
Around Avon

Avon and the towns around it

Stoughton: Very low, mostly inland floodingHolbrook: Low, mostly inland floodingRandolph Town: Low, mostly inland floodingSharon: Very low, mostly inland floodingCanton: Very low, mostly inland floodingBraintree Town: High, mostly inland floodingMilton: Low, mostly inland floodingQuincy: Moderate, mostly inland floodingAvon: Very low, mostly inland flooding AvonStoughtonHolbrookRandolph Town
Very lowLowModerateHighVery high
Randolph Townmostly inland floodingLow
Holbrookmostly inland floodingLow
Stoughtonmostly inland floodingVery low
Avonmostly 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. Avon covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Avon’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Avon. 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 Avon total about $976K 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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You’re in Avon, MANorfolk CountyView boundary

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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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