Home Insurance in Knox County, Maine
With a median home value of $324,900, Knox County is 10% higher than the Maine median.
The typical home in Knox County was built around 1974. About 41% of homes were built before 1960, about 7 points above Maine's 34%. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing.
The housing stock in Knox County is 81% single-family homes, 4% apartments in buildings with 5+ units and 6% mobile or manufactured homes. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
In Knox County, about 55% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
The vacancy rate is 25%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 79% of occupied homes in Knox County are owner-occupied.
Homes heated with propane, fuel oil and wood can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies. 56% of homes in Knox County are primarily heated with fuel oil.
FEMA's National Risk Index lists winter weather (Relatively High), hurricane (Relatively Moderate) and coastal flooding (Relatively Moderate) as the leading hazards for Knox County.
As of September 2026, Knox County has 396 active NFIP flood insurance policies. Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy.
In Maine, the statewide average premium for a standard HO-3 homeowners policy is $1,150 per year (NAIC, 2023 data).
Key figures
| Median home value | $324,900 |
|---|---|
| Median year built | 1974 |
| Owner-occupied share | 79% |
| Share of owner-occupied homes with a mortgage | 55% |
| Top hazards (FEMA National Risk Index) | Winter Weather (Relatively High), Hurricane (Relatively Moderate), Coastal Flooding (Relatively Moderate) |
| Active NFIP flood policies (county) | 396 |
| Home insurance premium | $1,150 - statewide average (NAIC, 2023 data) |
Towns and cities
Sources
- 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)