This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details
Fire hazard severity zones in San Mateo County
72.6% of San Mateo County is mapped in a fire hazard severity zone, and 64.9% in High or Very High, where the seller disclosures apply.
Very High zone20.8% of the area
High zone44.2%
Moderate zone7.7%
Earthquake fault zone4.9%
Liquefaction zone15.0%
Landslide zone24.8%
Not evaluated for seismic hazards30.3%: a zero above proves nothing there
Fires recorded since 195020
Land area457.7 sq mi
Median home value (2019-2023)$1,494,500
Flood and dam zonesnot covered
Cities and places in San Mateo County
- Atherton (0%)
- Baywood Park (0%)
- Belmont (0%)
- Brisbane (0%)
- Broadmoor (0%)
- Burlingame (6%)
- Colma (0%)
- Daly City (0%)
- East Palo Alto (0%)
- El Granada (59%)
- Emerald Lake Hills (25%)
- Foster City (0%)
- Half Moon Bay (73%)
- Highlands (8%)
- Hillsborough (6%)
- La Honda (100%)
- Ladera (0%)
- Loma Mar (100%)
- Menlo Park (0%)
- Millbrae (26%)
- Montara (59%)
- Moss Beach (8%)
- North Fair Oaks (0%)
- Pacifica (38%)
- Pescadero (73%)
- Portola Valley (66%)
- Redwood City (2%)
- San Bruno (26%)
- San Carlos (5%)
- San Mateo (0%)
- South San Francisco (0%)
- West Menlo Park (0%)
- Woodside (48%)
Percent of the area in High or Very High zones.
Fires recorded in or across San Mateo County
The state record shows 20 since 1950. The largest was CZU LIGHTNING COMPLEX in 2020 (86,553 acres in total).
- SCHOOL (2025), 23 acres
- WHIPPLE (2023), 27 acres
- EDGEWOOD (2022), 21 acres
- PIGEON (2022), 15 acres
- TOWER (2022), 29 acres
- BUTANO (2021), 170 acres
- CZU LIGHTNING COMPLEX (2020), 86,553 acres
- BRUNO (2020), 7 acres
- CABRILLO (2019), 62 acres
- KING (2019), 8 acres
- SKEGGS (2017), 36 acres
- QUARRY (2008), 211 acres
- SAN BRUNO MT. #12 (1985), 129 acres
- SAN BRUNO #9 (1984), 137 acres
- CROCKER #60 (1969), 186 acres