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 Reliez Valley in a fire hazard severity zone?

77.4% of Reliez Valley is mapped in a fire hazard severity zone, and 64.0% in High or Very High, where the seller disclosures apply.

Very High zone0.0% of the area
High zone64.0%
Moderate zone13.4%
Earthquake fault zone0.0%
Liquefaction zone32.2%
Landslide zone39.7%
Fires recorded since 19500
Land area2.3 sq mi
Median home value (2019-2023)$1,589,900
Flood and dam zonesnot covered

Reliez Valley ranks 456 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 1.50 sq mi High, 0.31 sq mi Moderate, out of 2.35 sq mi. Its High and Very High share of 64.0% is 16.0 points above the 48.0% of Contra Costa County. The median home value of $1,589,900 is 91% above the county median of $830,800. Among 53 places in the county it ranks 9 for exposure; Port Costa ranks first at 100.0%. Seismic maps cover Reliez Valley with liquefaction 32.2%, landslide 39.7%.

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 Reliez Valley in the state record. Small fires are often missing from it.

Nearby places compared

All of Contra Costa County