Open data
for California

This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details

Is Santa Rosa in a fire hazard severity zone?

42.6% of Santa Rosa is mapped in a fire hazard severity zone, and 13.1% in High or Very High, where the seller disclosures apply.

Very High zone1.8% of the area
High zone11.4%
Moderate zone29.4%
Earthquake fault zone6.2%
Liquefaction zone7.9%
Landslide zone0.0%
Not evaluated for seismic hazards80.4%: a zero above proves nothing there
Fires recorded since 19506
Land area42.7 sq mi
Median home value (2019-2023)$685,000
Flood and dam zonesnot covered

Santa Rosa ranks 869 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 0.75 sq mi Very High, 4.86 sq mi High, 12.58 sq mi Moderate, out of 42.75 sq mi. Its High and Very High share of 13.1% is 47.9 points below the 61.1% of Sonoma County. The median home value of $685,000 is 12% below the county median of $779,000. Among 38 places in the county it ranks 17 for exposure; Monte Rio ranks first at 100.0%. The latest recorded fire is WEST in 2021. By decade: 1960s: 1, 2000s: 1, 2010s: 2, 2020s: 2. Seismic maps cover Santa Rosa with fault zone 6.2%, liquefaction 7.9%.

Zones differ from street to street: check the address above. In Sonoma County overall, 32.9% of the land is Very High.

Fires recorded in or across Santa Rosa

The state record shows 6 since 1950. The largest was GLASS in 2020 (67,484 acres in total).

Earthquake fault zone maps

Santa Rosa touches the Mark West Springs, Santa Rosa maps.

Nearby places compared

All of Sonoma County