Home Insurance in Groton, Connecticut
With a median home value of $306,600, Groton is 5% lower than the Southeastern Connecticut Planning Region median.
Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. The typical home in Groton was built around 1971. About 35% of homes were built before 1960, about 3 points below Southeastern Connecticut Planning Region's 38%.
In Groton, the housing stock is 44% single-family homes and 27% apartments in buildings with 5+ units. The rest are 2-4 unit or other housing types.
In Groton, about 53% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
Groton has an owner-occupancy rate of 45% and a vacancy rate of 9%; unoccupied homes typically need a different coverage form.
50% of homes in Groton are primarily heated with fuel oil. Homes heated with fuel oil can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies.
FEMA rates Southeastern Connecticut Planning Region's overall risk as Relatively Moderate, led by hurricane (Relatively High). Southeastern Connecticut Planning Region had 2,918 active NFIP flood policies as of September 2026. See the full Southeastern Connecticut Planning Region home insurance overview for all FEMA hazard ratings and flood coverage details.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in Connecticut carries a statewide average premium of $2,036 per year.
Key figures
| Median home value | $306,600 |
|---|---|
| Median year built | 1971 |
| Owner-occupied share | 45% |
| Share of owner-occupied homes with a mortgage | 53% |
| Top county hazard | Hurricane (Relatively High) |
| Active NFIP policies in Southeastern Connecticut Planning Region | 2,918 |
| Home insurance premium | $2,036 - 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)