Home Insurance in Waltham, Massachusetts
Homes in Waltham carry a median value of $748,700 - close to the Middlesex County median.
The typical home in Waltham was built around 1961. About 49% of homes were built before 1960, about 1 point above Middlesex County's 48%. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing.
Housing in Waltham breaks down to 46% single-family homes and 31% apartments in buildings with 5+ units. The rest are 2-4 unit or other housing types.
In Waltham, about 62% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
About 50% of occupied homes in Waltham are owner-occupied. The vacancy rate is 5%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
Most homes in Waltham - 53% - are primarily heated with natural gas. Homes heated with fuel oil can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies.
Middlesex County's top FEMA-rated hazard is inland flooding (Relatively High), per FEMA's National Risk Index. 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 | $748,700 |
|---|---|
| Median year built | 1961 |
| Owner-occupied share | 50% |
| Share of owner-occupied homes with a mortgage | 62% |
| 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)