Home Insurance in Napa County, California
The median home value in Napa County is $869,500, 18% higher than the California median.
Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. The typical home in Napa County was built around 1976. About 27% of homes were built before 1960, in line with California (27%).
In Napa County, the housing stock is 73% single-family homes, 14% 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 Napa County, about 62% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
The vacancy rate is 11%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 63% of occupied homes in Napa County are owner-occupied.
Most homes in Napa County - 63% - are primarily heated with natural gas.
Per FEMA's National Risk Index, Napa County's top hazards are earthquake (Relatively High), wildfire (Relatively Moderate) and inland flooding (Relatively High). Standard homeowners policies exclude earthquake, so separate coverage is usually needed.
As of September 2026, Napa County has 1,270 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 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 | $869,500 |
|---|---|
| Median year built | 1976 |
| Owner-occupied share | 63% |
| Share of owner-occupied homes with a mortgage | 62% |
| Top hazards (FEMA National Risk Index) | Earthquake (Relatively High), Wildfire (Relatively Moderate), Inland Flooding (Relatively High) |
| Active NFIP flood policies (county) | 1,270 |
| Home insurance premium | $1,655 - 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)