Home Insurance in Gallatin County, Montana
With a median home value of $667,600, Gallatin County is 78% higher than the Montana median.
The typical home in Gallatin County was built around 1998. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. About 13% of homes were built before 1960, about 13 points below Montana's 26%.
The housing stock in Gallatin County is 68% single-family homes, 15% apartments in buildings with 5+ units and 5% mobile or manufactured homes. The rest are 2-4 unit or other housing types. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
About 62% of owner-occupied homes in Gallatin County have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 11%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 61% of occupied homes in Gallatin County are owner-occupied.
Most homes in Gallatin County - 55% - are primarily heated with natural gas. Homes heated with propane can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies.
The top hazards for Gallatin County, per FEMA's National Risk Index, are winter weather (Very High), earthquake (Relatively Moderate) and wildfire (Relatively Moderate). Standard homeowners policies exclude earthquake, so separate coverage is usually needed.
Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy. As of September 2026, Gallatin County has 390 active NFIP flood policies on file.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in Montana carries a statewide average premium of $1,768 per year.
Key figures
| Median home value | $667,600 |
|---|---|
| Median year built | 1998 |
| Owner-occupied share | 61% |
| Share of owner-occupied homes with a mortgage | 62% |
| Top hazards (FEMA National Risk Index) | Winter Weather (Very High), Earthquake (Relatively Moderate), Wildfire (Relatively Moderate) |
| Active NFIP flood policies (county) | 390 |
| Home insurance premium | $1,768 - 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)