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 Sierra Madre in a fire hazard severity zone?

69.3% of Sierra Madre is mapped in a fire hazard severity zone, and 62.4% in High or Very High, where the seller disclosures apply.

Very High zone54.8% of the area
High zone7.6%
Moderate zone6.9%
Earthquake fault zone43.9%
Liquefaction zone1.0%
Landslide zone24.1%
Fires recorded since 195015
Land area3.0 sq mi
Median home value (2019-2023)$1,172,200
Flood and dam zonesnot covered

Sierra Madre ranks 466 of 1050 California places for the share of land in High or Very High zones.

In land area, that is 1.62 sq mi Very High, 0.22 sq mi High, 0.20 sq mi Moderate, out of 2.95 sq mi. Its High and Very High share of 62.4% is 30.0 points above the 32.4% of Los Angeles County. The median home value of $1,172,200 is 50% above the county median of $783,300. Among 142 places in the county it ranks 26 for exposure; Pepperdine University ranks first at 100.0%. The latest recorded fire is EATON in 2025. By decade: 1950s: 3, 1960s: 2, 1970s: 5, 1990s: 2, 2000s: 2, 2020s: 1. Seismic maps cover Sierra Madre with fault zone 43.9%, liquefaction 1.0%, landslide 24.1%.

Zones differ from street to street: check the address above. In Los Angeles County overall, 29.4% of the land is Very High.

Fires recorded in or across Sierra Madre

The state record shows 15 since 1950. The largest was MONROVIA PEAK in 1953 (14,061 acres in total).

Earthquake fault zone maps

Sierra Madre touches the Mount Wilson map.

Nearby places compared

All of Los Angeles County