This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details
Is Diamond Bar in a fire hazard severity zone?
64.0% of Diamond Bar is mapped in a fire hazard severity zone, and 56.1% in High or Very High, where the seller disclosures apply.
Diamond Bar ranks 524 of 1050 California places for the share of land in High or Very High zones.
In land area, that is 5.36 sq mi Very High, 3.00 sq mi High, 1.16 sq mi Moderate, out of 14.89 sq mi. Its High and Very High share of 56.1% is 23.7 points above the 32.4% of Los Angeles County. The median home value of $867,000 is 11% above the county median of $783,300. Among 142 places in the county it ranks 28 for exposure; Pepperdine University ranks first at 100.0%. The latest recorded fire is CUT OFF in 2022. By decade: 1950s: 1, 1960s: 2, 1970s: 8, 1980s: 3, 1990s: 2, 2000s: 1, 2020s: 2. Seismic maps cover Diamond Bar with liquefaction 20.4%, landslide 20.5%.
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 Diamond Bar
The state record shows 19 since 1950. The largest was FULLERTON in 1970 (3,381 acres in total).
- CUT OFF (2022), 3 acres
- TONNER (2021), 2 acres
- DIAMOND (2009), 155 acres
- (unnamed) (1991), 51 acres
- (unnamed) (1990), 9 acres
- (unnamed) (1989), 10 acres
- DIAMOND BAR (1988), 119 acres
- (unnamed) (1986), 23 acres
- (unnamed) (1979), 118 acres
- (unnamed) (1978), 4 acres
- (unnamed) (1976), 21 acres
- (unnamed) (1975), 13 acres
Nearby places compared
- Walnut, 3.0 mi northwest: 35.7% High or Very High, 10 fires, median home $972,500
- Rowland Heights, 4.5 mi southwest: 59.9% High or Very High, 16 fires, median home $812,900
- West Covina, 5.3 mi northwest: 8.9% High or Very High, 7 fires, median home $712,300
- South San Jose Hills, 5.4 mi west: 0.0% High or Very High, 1 fire, median home $540,400
- Pomona, 5.7 mi northeast: 11.6% High or Very High, 15 fires, median home $569,600
- Brea, 5.9 mi southwest: 51.7% High or Very High, 17 fires, median home $874,300
- Chino Hills, 6.5 mi southeast: 82.9% High or Very High, 18 fires, median home $830,000
- Valinda, 6.8 mi west: 2.3% High or Very High, 2 fires, median home $613,200
- Covina, 6.9 mi northwest: 0.2% High or Very High, 3 fires, median home $666,000
- Charter Oak, 7.4 mi northwest: 0.0% High or Very High, 0 fires, median home $601,900
- La Puente, 7.7 mi west: 7.5% High or Very High, 1 fire, median home $593,200
- La Habra Heights, 7.8 mi west: 54.4% High or Very High, 9 fires, median home $1,114,100