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 Shell Ridge in a fire hazard severity zone?

37.6% of Shell Ridge is mapped in a fire hazard severity zone, and 16.0% in High or Very High, where the seller disclosures apply.

Very High zone0.0% of the area
High zone16.0%
Moderate zone21.6%
Earthquake fault zone0.0%
Liquefaction zone24.7%
Landslide zone14.3%
Fires recorded since 19500
Land area0.4 sq mi
Median home value (2019-2023)$2,000,001
Flood and dam zonesnot covered

Shell Ridge ranks 840 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 0.07 sq mi High, 0.09 sq mi Moderate, out of 0.42 sq mi. Its High and Very High share of 16.0% is 32.0 points below the 48.0% of Contra Costa County. The median home value of $2,000,001 is 141% above the county median of $830,800. Among 53 places in the county it ranks 27 for exposure; Port Costa ranks first at 100.0%. Seismic maps cover Shell Ridge with liquefaction 24.7%, landslide 14.3%.

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 Shell Ridge in the state record. Small fires are often missing from it.

Nearby places compared

All of Contra Costa County