FloodZoneMap.org

Boston, Massachusetts Flood Zones

Check an Address in Boston

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

Flood Risk in Boston, Massachusetts

Boston has a population of 675,647 residents. Like many communities in Massachusetts, properties in Boston 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 Boston. Results come directly from FEMA's National Flood Hazard Layer (NFHL).

Flood Zone Types in Boston

FEMA assigns flood zone designations to areas in Boston, 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.

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Flood Insurance in Boston

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

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 →