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 Clayton in a fire hazard severity zone?

76.3% of Clayton is mapped in a fire hazard severity zone, and 67.6% in High or Very High, where the seller disclosures apply.

Very High zone53.2% of the area
High zone14.4%
Moderate zone8.7%
Earthquake fault zone0.0%
Liquefaction zone26.6%
Landslide zone12.6%
Fires recorded since 19500
Land area3.8 sq mi
Median home value (2019-2023)$1,017,300
Flood and dam zonesnot covered

Clayton ranks 435 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 2.04 sq mi Very High, 0.55 sq mi High, 0.33 sq mi Moderate, out of 3.83 sq mi. Its High and Very High share of 67.6% is 19.6 points above the 48.0% of Contra Costa County. The median home value of $1,017,300 is 22% above the county median of $830,800. Among 53 places in the county it ranks 8 for exposure; Port Costa ranks first at 100.0%. Seismic maps cover Clayton with liquefaction 26.6%, landslide 12.6%.

Zones differ from street to street: check the address above. In Contra Costa County overall, 17.4% of the land is Very High.

No fire perimeter since 1950 touches Clayton in the state record. Small fires are often missing from it.

Nearby places compared

All of Contra Costa County