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 Simi Valley in a fire hazard severity zone?

75.1% of Simi Valley is mapped in a fire hazard severity zone, and 70.9% in High or Very High, where the seller disclosures apply.

Very High zone65.2% of the area
High zone5.7%
Moderate zone4.2%
Earthquake fault zone3.2%
Liquefaction zone26.1%
Landslide zone15.3%
Fires recorded since 195059
Land area42.3 sq mi
Median home value (2019-2023)$753,500
Flood and dam zonesnot covered

Simi Valley ranks 404 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 27.62 sq mi Very High, 2.42 sq mi High, 1.77 sq mi Moderate, out of 42.34 sq mi. Its High and Very High share of 70.9% is 32.2 points above the 38.7% of Ventura County. The median home value of $753,500 is 2% below the county median of $768,400. Among 24 places in the county it ranks 12 for exposure; Bell Canyon ranks first at 100.0%. The latest recorded fire is PEAK in 2025. By decade: 1950s: 8, 1960s: 5, 1970s: 4, 1980s: 6, 1990s: 2, 2000s: 5, 2010s: 19, 2020s: 10. Seismic maps cover Simi Valley with fault zone 3.2%, liquefaction 26.1%, landslide 15.3%.

Zones differ from street to street: check the address above. In Ventura County overall, 36.2% of the land is Very High.

Fires recorded in or across Simi Valley

The state record shows 59 since 1950. The largest was CLAMPITT in 1970 (115,537 acres in total).

Earthquake fault zone maps

Simi Valley touches the Simi Valley East, Simi Valley West maps.

Nearby places compared

All of Ventura County