This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details
Is Castaic in a fire hazard severity zone?
98.3% of Castaic is mapped in a fire hazard severity zone, and 94.4% in High or Very High, where the seller disclosures apply.
Castaic ranks 203 of 1050 California places for the share of land in High or Very High zones.
In land area, that is 6.36 sq mi Very High, 0.48 sq mi High, 0.29 sq mi Moderate, out of 7.25 sq mi. Its High and Very High share of 94.4% is 62.0 points above the 32.4% of Los Angeles County. The median home value of $710,400 is 9% below the county median of $783,300. Among 142 places in the county it ranks 10 for exposure; Pepperdine University ranks first at 100.0%. The latest recorded fire is HUGHES in 2025. By decade: 1950s: 2, 1960s: 2, 1970s: 5, 1980s: 7, 1990s: 2, 2000s: 4, 2010s: 1, 2020s: 2. Seismic maps cover Castaic with liquefaction 39.2%, landslide 37.5%.
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 Castaic
The state record shows 25 since 1950. The largest was RANCH in 2007 (58,410 acres in total).
- HUGHES (2025), 10,397 acres
- HASLEY (2020), 7 acres
- RIVER (2010), 3 acres
- SLOAN (2009), 82 acres
- RANCH (2007), 58,410 acres
- CAMBRIDGE (2002), 108 acres
- SLOAN (2001), 1,789 acres
- TROTTER (1995), 267 acres
- FREEWAY (1995), 235 acres
- (unnamed) (1989), 22 acres
- (unnamed) (1987), 119 acres
- (unnamed) (1986), 368 acres
Nearby places compared
- Hasley Canyon, 2.0 mi west: 100.0% High or Very High, 18 fires, median home $1,134,900
- Val Verde, 2.8 mi southwest: 96.9% High or Very High, 23 fires, median home $526,000
- Stevenson Ranch, 6.5 mi south: 88.5% High or Very High, 17 fires, median home $1,033,300
- Santa Clarita, 9.2 mi southeast: 79.9% High or Very High, 124 fires, median home $721,000
- Piru, 10.8 mi southwest: 50.0% High or Very High, 7 fires, median home $586,400
- Santa Susana, 15.5 mi south: 100.0% High or Very High, 12 fires, median home $697,200
- Green Valley, 16.2 mi northeast: 16.0% High or Very High, 7 fires, median home $369,600
- Simi Valley, 16.2 mi southwest: 70.9% High or Very High, 59 fires, median home $753,500
- Fillmore, 17.1 mi west: 56.2% High or Very High, 6 fires, median home $567,500
- Lake Hughes, 17.2 mi northeast: 50.8% High or Very High, 7 fires, median home $519,400
- San Fernando, 17.4 mi southeast: 0.0% High or Very High, 0 fires, median home $630,700
- Agua Dulce, 18.5 mi east: 94.1% High or Very High, 25 fires, median home $907,600