Home Insurance in Sanilac County, Michigan
Homes in Sanilac County carry a median value of $168,300 - 27% lower than the Michigan median.
The typical home in Sanilac County was built around 1971. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. About 40% of homes were built before 1960, about 4 points above Michigan's 36%.
Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy. The housing stock in Sanilac County is 84% single-family homes, 4% apartments in buildings with 5+ units and 10% mobile or manufactured homes.
49% of owner-occupied homes in Sanilac County carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
The vacancy rate is 19%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 83% of occupied homes in Sanilac County are owner-occupied.
44% of homes in Sanilac County are primarily heated with natural gas. Homes heated with propane and wood can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies.
FEMA's National Risk Index lists winter weather (Relatively High), strong wind (Relatively Moderate) and inland flooding (Relatively Low) as the leading hazards for Sanilac County.
As of September 2026, Sanilac County has 29 active NFIP flood insurance policies. Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in Michigan carries a statewide average premium of $1,110 per year.
Key figures
| Median home value | $168,300 |
|---|---|
| Median year built | 1971 |
| Owner-occupied share | 83% |
| Share of owner-occupied homes with a mortgage | 49% |
| Top hazards (FEMA National Risk Index) | Winter Weather (Relatively High), Strong Wind (Relatively Moderate), Inland Flooding (Relatively Low) |
| Active NFIP flood policies (county) | 29 |
| Home insurance premium | $1,110 - statewide average (NAIC, 2023 data) |
Towns and cities
- Applegate
- Brown City
- Carsonville
- Croswell
- Deckerville
- Forestville
- Lexington
- Marlette
- Melvin
- Minden City
- Peck
- Port Sanilac
- Sandusky
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)