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 South San Francisco in a fire hazard severity zone?

4.7% of South San Francisco is mapped in a fire hazard severity zone, and 0.0% in High or Very High, where the seller disclosures apply.

Very High zone0.0% of the area
High zone0.0%
Moderate zone4.7%
Earthquake fault zone2.1%
Liquefaction zone36.2%
Landslide zone8.2%
Not evaluated for seismic hazards0.3%: a zero above proves nothing there
Fires recorded since 19503
Land area9.6 sq mi
Median home value (2019-2023)$1,160,100
Flood and dam zonesnot covered

In land area, that is 0.46 sq mi Moderate, out of 9.61 sq mi. Its High and Very High share of 0.0% is 64.9 points below the 64.9% of San Mateo County. The median home value of $1,160,100 is 22% below the county median of $1,494,500. Among 33 places in the county it ranks 32 for exposure; La Honda ranks first at 100.0%. The latest recorded fire is SAN BRUNO #9 in 1984. By decade: 1960s: 2, 1980s: 1. Seismic maps cover South San Francisco with fault zone 2.1%, liquefaction 36.2%, landslide 8.2%.

Zones differ from street to street: check the address above. In San Mateo County overall, 20.8% of the land is Very High.

Fires recorded in or across South San Francisco

The state record shows 3 since 1950. The largest was CROCKER ESTATE #16 in 1964 (1,544 acres in total).

Earthquake fault zone maps

South San Francisco touches the San Francisco South map.

Nearby places compared

All of San Mateo County