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 Alamo in a fire hazard severity zone?

61.5% of Alamo is mapped in a fire hazard severity zone, and 49.8% in High or Very High, where the seller disclosures apply.

Very High zone0.0% of the area
High zone49.8%
Moderate zone11.7%
Earthquake fault zone0.0%
Liquefaction zone29.5%
Landslide zone27.6%
Fires recorded since 19501
Land area9.8 sq mi
Median home value (2019-2023)$2,000,001
Flood and dam zonesnot covered

Alamo ranks 570 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 4.87 sq mi High, 1.15 sq mi Moderate, out of 9.78 sq mi. Its High and Very High share of 49.8% is 1.8 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 13 for exposure; Port Costa ranks first at 100.0%. The latest recorded fire is PARKER in 1961. By decade: 1960s: 1. Seismic maps cover Alamo with liquefaction 29.5%, landslide 27.6%.

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 Alamo

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

Nearby places compared

All of Contra Costa County