Home Insurance in Mill Valley, California
Mill Valley's median home value is $2,000,000+.
Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. The typical home in Mill Valley was built around 1958. About 53% of homes were built before 1960, about 16 points above Marin County's 37%.
Housing in Mill Valley breaks down to 78% single-family homes and 13% apartments in buildings with 5+ units.
69% of owner-occupied homes in Mill Valley carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
Mill Valley has an owner-occupancy rate of 66% and a vacancy rate of 11%; unoccupied homes typically need a different coverage form.
73% of homes in Mill Valley are primarily heated with natural gas.
FEMA rates Marin County's overall risk as Relatively High, led by earthquake (Relatively High). Marin County had 6,253 active NFIP flood policies as of September 2026. See the full Marin County home insurance overview for all FEMA hazard ratings and flood coverage details. Earthquake damage is excluded from a standard homeowners policy.
In California, the statewide average premium for a standard HO-3 homeowners policy is $1,655 per year (NAIC, 2023 data).
Key figures
| Median home value | $2,000,000+ |
|---|---|
| Median year built | 1958 |
| Owner-occupied share | 66% |
| Share of owner-occupied homes with a mortgage | 69% |
| Top county hazard | Earthquake (Relatively High) |
| Active NFIP policies in Marin County | 6,253 |
| Home insurance premium | $1,655 - 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)