Home Insurance in St. Helena, California
Homes in St. Helena carry a median value of $1,647,700 - 89% higher than the Napa County median.
Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. The typical home in St. Helena was built around 1974. About 30% of homes were built before 1960, about 3 points above Napa County's 27%.
In St. Helena, the housing stock is 70% single-family homes, 15% apartments in buildings with 5+ units and 10% mobile or manufactured homes. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
53% of owner-occupied homes in St. Helena carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
St. Helena has an owner-occupancy rate of 66% and a vacancy rate of 17%; unoccupied homes typically need a different coverage form.
In St. Helena, 70% of homes are primarily heated with natural gas.
Napa County's top FEMA-rated hazard is earthquake (Relatively High), per FEMA's National Risk Index. Napa County had 1,270 active NFIP flood policies as of September 2026. See the full Napa County home insurance overview for all FEMA hazard ratings and flood coverage details. Earthquake damage is excluded from a standard homeowners policy.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in California carries a statewide average premium of $1,655 per year.
Key figures
| Median home value | $1,647,700 |
|---|---|
| Median year built | 1974 |
| Owner-occupied share | 66% |
| Share of owner-occupied homes with a mortgage | 53% |
| Top county hazard | Earthquake (Relatively High) |
| Active NFIP policies in Napa County | 1,270 |
| 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)