Home Insurance in Somerville, Massachusetts
With a median home value of $911,300, Somerville is 25% higher than the Middlesex County median.
Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. The median home in Somerville was built in 1939 or earlier. About 69% of homes were built before 1960, about 21 points above Middlesex County's 48%.
Housing in Somerville breaks down to 15% single-family homes and 30% apartments in buildings with 5+ units. The rest are 2-4 unit or other housing types.
About 72% of owner-occupied homes in Somerville have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 5%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 34% of occupied homes in Somerville are owner-occupied.
Homes heated with fuel oil can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies. 70% of homes in Somerville are primarily heated with natural gas.
FEMA rates Middlesex County's overall risk as Relatively High, led by inland flooding (Relatively High). Middlesex County had 6,818 active NFIP flood policies as of September 2026. See the full Middlesex County home insurance overview for all FEMA hazard ratings and flood coverage details. Flood damage is excluded from a standard homeowners policy.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in Massachusetts carries a statewide average premium of $2,134 per year.
Key figures
| Median home value | $911,300 |
|---|---|
| Median year built | 1939 or earlier |
| Owner-occupied share | 34% |
| Share of owner-occupied homes with a mortgage | 72% |
| Top county hazard | Inland Flooding (Relatively High) |
| Active NFIP policies in Middlesex County | 6,818 |
| Home insurance premium | $2,134 - statewide average (NAIC, 2023 data) |
Nearby towns
Sources
Data last updated: 2026-09-29
- U.S. Census Bureau Gazetteer Files (2024)
- U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates (2024)
- FEMA National Risk Index (December 2025)
- FEMA OpenFEMA NFIP Redacted Policies v3 (2026)
- NAIC Dwelling Fire, Homeowners Owner-Occupied, and Homeowners Tenant and Condominium/Cooperative Unit Owners Insurance: Data for 2023 (published 2026) (2023)