Home insurance & natural hazards in Mariposa County, CA
Calm, plain facts for homeowners in Mariposa County: what neighbors have paid for coverage, what flood insurance costs, and which weather hazards matter most here.
- Typical premiums from U.S. Treasury insurance data
- Flood insurance facts from FEMA's NFIP data
- 13 natural hazards rated by the FEMA National Risk Index
Historical averages, not a quote. Updated Oct 2026.
Mariposa at a glance
Four numbers most homeowners ask about first.
Per policy per year in 2022, median of 7 ZIP codes (inflation-adjusted).
0 single-family NFIP policies took effect in 2025.
Share of policies insurers chose not to renew in 2022, median ZIP. Typical U.S. ZIP: 0.81%.
Overall National Risk Index rating, higher than 86.4% of U.S. counties.
What homeowners here pay
Each block pairs a short explanation with the data behind it.
Homeowners insurance
Typical premiums in Mariposa County were $2,285 per policy in 2022, 41% above the typical California ZIP code ($1,617) and 47% above the typical U.S. ZIP code ($1,551). After adjusting for inflation, local premiums rose 35% between 2018 and 2022.
Typical premium per policy
Flood insurance
Standard home policies don't cover floods. FEMA's data shows no single-family NFIP policies taking effect here in 2025, Flood insurance is still available to homeowners in participating communities, and FEMA's Flood Map Service Center shows the flood zone for any address.
Flood insurance data
Too few NFIP policies here to show reliable averages. FEMA's Flood Map Service Center shows the flood zone for any address.
Natural hazards
Bars show how Mariposa compares with every U.S. county for each hazard (100 = highest). Landslide, wildfire and heat wave rank highest here. A high rank doesn't mean an event is likely in any given year. It shows where preparation and the right coverage matter most.
Hazard risk, national percentile
Compare nearby
Neighboring counties
| County | Premium | Nonrenewal | Flood |
|---|---|---|---|
| Madera County | $2,340 | 3.26% | $1,156 |
| Mariposa County | $2,285 | 5.88% | — |
| Tuolumne County | $1,941 | 4.02% | $1,474 |
| Stanislaus County | $1,121 | 0.81% | $1,072 |
| Merced County | $1,068 | 0.81% | $890 |
Flood insurance by ZIP, 2025
No ZIP code in this county has at least 10 single-family NFIP policies, so we don't show ZIP-level flood averages.
ZIP code pages in Mariposa County
Practical next steps
Simple things Mariposa homeowners can do with this information.
Historical averages, not a quote. Homeowners figures are inflation-adjusted averages from the U.S. Treasury Federal Insurance Office "Supporting Underlying Metrics" (2018–2022, published January 2025). They cover HO-3/HO-5 policies from participating private insurers and exclude state residual-market plans (such as FAIR plans and Citizens), surplus-lines and flood coverage. Treasury notes that individual ZIP codes can contain data anomalies. Your price depends on your home, coverage and insurer.
Sources: U.S. Treasury FIO; FEMA OpenFEMA NFIP Redacted Policies v3 (data as of Sep 8, 2026); FEMA National Risk Index (December 2025); U.S. Census Bureau ZCTA-to-county relationship file (2020) and county adjacency file; GeoNames place names. How we calculate these numbers.
This product uses the FEMA OpenFEMA API and National Risk Index data, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s). SafeHomeFacts is independent and not affiliated with the U.S. Treasury, FEMA or any insurer.