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 Walnut Creek in a fire hazard severity zone?

43.5% of Walnut Creek is mapped in a fire hazard severity zone, and 28.1% in High or Very High, where the seller disclosures apply.

Very High zone0.0% of the area
High zone28.1%
Moderate zone15.4%
Earthquake fault zone2.2%
Liquefaction zone44.2%
Landslide zone17.3%
Fires recorded since 19501
Land area19.8 sq mi
Median home value (2019-2023)$1,031,100
Flood and dam zonesnot covered

Walnut Creek ranks 733 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 5.55 sq mi High, 3.05 sq mi Moderate, out of 19.78 sq mi. Its High and Very High share of 28.1% is 19.9 points below the 48.0% of Contra Costa County. The median home value of $1,031,100 is 24% above the county median of $830,800. Among 53 places in the county it ranks 18 for exposure; Port Costa ranks first at 100.0%. The latest recorded fire is PARKER in 1961. By decade: 1960s: 1. Seismic maps cover Walnut Creek with fault zone 2.2%, liquefaction 44.2%, landslide 17.3%.

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

Fires recorded in or across Walnut Creek

The state record shows 1 since 1950. The largest was PARKER in 1961 (224 acres in total).

Earthquake fault zone maps

Walnut Creek touches the Clayton, Walnut Creek maps.

Nearby places compared

All of Contra Costa County