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Waltham, Massachusetts Flood Zones

Check an Address in Waltham

Enter any address in Waltham, Massachusetts to see its FEMA flood zone

Flood Risk in Waltham, Massachusetts

Waltham has a population of 65,218 residents. Like many communities in Massachusetts, properties in Waltham may be located in various FEMA flood zones ranging from high-risk Special Flood Hazard Areas to low-risk zones.

Use the address lookup above to check the specific flood zone for any property in Waltham. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Massachusetts Statewide Flood Data

Total NFIP Claims
35,348
Total Claims Paid
$439.9M
Active Policies
1,000
Avg Premium
$1,243/yr
Disaster Declarations
414
Peak Claims Year
1991

Statewide data from OpenFEMA. City-level breakdowns coming soon.

Flood Zone Types in Waltham

FEMA assigns flood zone designations to areas in Waltham, Massachusetts:

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 Waltham

Properties in Waltham that are in FEMA Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

The average NFIP premium in Massachusetts is approximately $1,243 per year.

Even in low-risk zones, flood insurance is recommended — over 20% of NFIP claims come from outside high-risk areas. Visit FloodSmart.gov for quotes.

View all Massachusetts flood zone data →