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 Lake Nacimiento in a fire hazard severity zone?

99.8% of Lake Nacimiento is mapped in a fire hazard severity zone, and 99.8% in High or Very High, where the seller disclosures apply.

Very High zone55.9% of the area
High zone43.9%
Moderate zone0.0%
Earthquake fault zone0.0%
Liquefaction zone0.0%
Landslide zone0.0%
Not evaluated for seismic hazards100.0%: a zero above proves nothing there
Fires recorded since 19507
Land area10.5 sq mi
Median home value (2019-2023)$475,700
Flood and dam zonesnot covered

Lake Nacimiento ranks 104 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 5.88 sq mi Very High, 4.62 sq mi High, out of 10.51 sq mi. Its High and Very High share of 99.8% is 32.8 points above the 67.0% of San Luis Obispo County. The median home value of $475,700 is 39% below the county median of $777,200. Among 30 places in the county it ranks 2 for exposure; Creston ranks first at 100.0%. The latest recorded fire is POINT in 2025. By decade: 1950s: 1, 1990s: 1, 2000s: 1, 2010s: 2, 2020s: 2. The state has not evaluated Lake Nacimiento for liquefaction or landslides, so the absence of a seismic hazard zone proves nothing.

Zones differ from street to street: check the address above. In San Luis Obispo County overall, 28.2% of the land is Very High.

Fires recorded in or across Lake Nacimiento

The state record shows 7 since 1950. The largest was BONNHEIM #2 in 1952 (515 acres in total).

Nearby places compared

All of San Luis Obispo County