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 Norris Canyon in a fire hazard severity zone?

100.0% of Norris Canyon is mapped in a fire hazard severity zone, and 98.2% in High or Very High, where the seller disclosures apply.

Very High zone0.0% of the area
High zone98.2%
Moderate zone1.8%
Earthquake fault zone0.0%
Liquefaction zone2.0%
Landslide zone46.5%
Not evaluated for seismic hazards0.1%: a zero above proves nothing there
Fires recorded since 19500
Land area3.6 sq mi
Median home value (2019-2023)$2,000,001
Flood and dam zonesnot covered

Norris Canyon ranks 144 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 3.55 sq mi High, 0.06 sq mi Moderate, out of 3.61 sq mi. Its High and Very High share of 98.2% is 50.2 points above 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 3 for exposure; Port Costa ranks first at 100.0%. Seismic maps cover Norris Canyon with liquefaction 2.0%, landslide 46.5%.

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 Norris Canyon in the state record. Small fires are often missing from it.

Nearby places compared

All of Contra Costa County