Home Insurance in San Marcos, California
The median home value in San Marcos is $868,000, close to the San Diego County median.
The typical home in San Marcos was built around 1996. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. About 3% of homes were built before 1960, about 14 points below San Diego County's 17%.
Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy. The housing stock in San Marcos is 62% single-family homes, 23% apartments in buildings with 5+ units and 10% mobile or manufactured homes.
About 75% of owner-occupied homes in San Marcos have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 4%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 64% of occupied homes in San Marcos are owner-occupied.
Most homes in San Marcos - 64% - are primarily heated with natural gas.
San Diego County had 8,393 active NFIP flood policies as of September 2026. Its top FEMA-rated hazard is wildfire (Very High). See the full San Diego County home insurance overview for all FEMA hazard ratings and flood coverage details.
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 | $868,000 |
|---|---|
| Median year built | 1996 |
| Owner-occupied share | 64% |
| Share of owner-occupied homes with a mortgage | 75% |
| Top county hazard | Wildfire (Very High) |
| Active NFIP policies in San Diego County | 8,393 |
| 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)