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 Fremont in a fire hazard severity zone?

24.4% of Fremont is mapped in a fire hazard severity zone, and 6.4% in High or Very High, where the seller disclosures apply.

Very High zone0.2% of the area
High zone6.2%
Moderate zone17.9%
Earthquake fault zone3.1%
Liquefaction zone55.3%
Landslide zone15.2%
Not evaluated for seismic hazards0.3%: a zero above proves nothing there
Fires recorded since 19503
Land area79.7 sq mi
Median home value (2019-2023)$1,289,400
Flood and dam zonesnot covered

Fremont ranks 940 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 0.17 sq mi Very High, 4.96 sq mi High, 14.31 sq mi Moderate, out of 79.70 sq mi. Its High and Very High share of 6.4% is 46.1 points below the 52.5% of Alameda County. The median home value of $1,289,400 is 22% above the county median of $1,057,400. Among 20 places in the county it ranks 10 for exposure; Sunol ranks first at 54.1%. The latest recorded fire is WARM in 2025. By decade: 1950s: 1, 2010s: 1, 2020s: 1. Seismic maps cover Fremont with fault zone 3.1%, liquefaction 55.3%, landslide 15.2%.

Zones differ from street to street: check the address above. In Alameda County overall, 24.7% of the land is Very High.

Fires recorded in or across Fremont

The state record shows 3 since 1950. The largest was OVERACKER in 1958 (289 acres in total).

Earthquake fault zone maps

Fremont touches the Milpitas, Newark, Niles maps.

Nearby places compared

All of Alameda County