This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details
Is Fontana in a fire hazard severity zone?
21.3% of Fontana is mapped in a fire hazard severity zone, and 19.2% in High or Very High, where the seller disclosures apply.
Fontana ranks 814 of 1050 California places for the share of land in High or Very High zones.
In land area, that is 6.40 sq mi Very High, 1.92 sq mi High, 0.91 sq mi Moderate, out of 43.28 sq mi. Its High and Very High share of 19.2% is 15.4 points above the 3.9% of San Bernardino County. The median home value of $558,500 is 18% above the county median of $475,000. Among 52 places in the county it ranks 26 for exposure; Big Bear Lake ranks first at 82.9%. The latest recorded fire is PYRITE in 2025. By decade: 1950s: 5, 1960s: 5, 1970s: 5, 1980s: 7, 1990s: 4, 2000s: 3, 2010s: 2, 2020s: 3. The state has not evaluated Fontana 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 Bernardino County overall, 2.0% of the land is Very High.
Fires recorded in or across Fontana
The state record shows 34 since 1950. The largest was GRAND PRIX in 2003 (50,618 acres in total).
- PYRITE (2025), 98 acres
- SOUTH (2021), 811 acres
- LYTLE (2020), 11 acres
- LYTLE (2013), 77 acres
- PEDLEY (2010), 717 acres
- FOXBOROUGH (2008), 324 acres
- GRAND PRIX (2003), 50,618 acres
- DUNCAN (2001), 126 acres
- COUNTRY (1998), 1,112 acres
- SIERRA (1998), 580 acres
- PHILADELPHIA (1996), 1,835 acres
- GRANITE (1995), 488 acres
Earthquake fault zone maps
Fontana touches the Devore map.
Nearby places compared
- Rialto, 4.6 mi east: 14.5% High or Very High, 9 fires, median home $454,400
- Bloomington, 4.7 mi southeast: 13.8% High or Very High, 0 fires, median home $443,300
- Rancho Cucamonga, 6.1 mi west: 33.6% High or Very High, 24 fires, median home $694,400
- Muscoy, 7.2 mi northeast: 29.1% High or Very High, 2 fires, median home $379,200
- Jurupa Valley, 8.1 mi south: 25.7% High or Very High, 35 fires, median home $538,700
- Colton, 9.3 mi southeast: 22.9% High or Very High, 11 fires, median home $411,100
- San Bernardino, 9.9 mi east: 37.4% High or Very High, 71 fires, median home $384,900
- Grand Terrace, 10.1 mi southeast: 35.3% High or Very High, 5 fires, median home $465,800
- Lytle Creek, 10.2 mi north: 16.0% High or Very High, 14 fires, median home $483,600
- Ontario, 10.5 mi southwest: 0.0% High or Very High, 1 fire, median home $568,000
- Highgrove, 11.3 mi southeast: 57.5% High or Very High, 16 fires, median home $594,400
- Upland, 11.4 mi west: 10.2% High or Very High, 6 fires, median home $688,800