Home Insurance in Walnut Creek, California
With a median home value of $1,057,300, Walnut Creek is 22% higher than the Contra Costa County median.
The typical home in Walnut Creek was built around 1974. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. About 14% of homes were built before 1960, about 9 points below Contra Costa County's 23%.
Housing in Walnut Creek breaks down to 53% single-family homes and 37% apartments in buildings with 5+ units.
In Walnut Creek, about 58% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
Walnut Creek has an owner-occupancy rate of 64% and a vacancy rate of 4%; unoccupied homes typically need a different coverage form.
In Walnut Creek, 59% of homes are primarily heated with natural gas.
Contra Costa County's top FEMA-rated hazard is earthquake (Relatively High), per FEMA's National Risk Index. Contra Costa County had 3,156 active NFIP flood policies as of September 2026. See the full Contra Costa County home insurance overview for all FEMA hazard ratings and flood coverage details. Earthquake damage is excluded from a standard homeowners policy.
The statewide average premium for a standard HO-3 homeowners policy in California is $1,655 per year, according to the NAIC homeowners insurance report (2023 data).
Key figures
| Median home value | $1,057,300 |
|---|---|
| Median year built | 1974 |
| Owner-occupied share | 64% |
| Share of owner-occupied homes with a mortgage | 58% |
| Top county hazard | Earthquake (Relatively High) |
| Active NFIP policies in Contra Costa County | 3,156 |
| 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)