This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details
Fire hazard severity zones in Orange County
39.6% of Orange County is mapped in a fire hazard severity zone, and 37.4% in High or Very High, where the seller disclosures apply.
Very High zone32.7% of the area
High zone4.7%
Moderate zone2.2%
Earthquake fault zone0.7%
Liquefaction zone27.2%
Landslide zone15.8%
Not evaluated for seismic hazards10.2%: a zero above proves nothing there
Fires recorded since 1950204
Land area798.3 sq mi
Median home value (2019-2023)$915,500
Flood and dam zonesnot covered
Cities and places in Orange County
- Aliso Viejo (34%)
- Anaheim (21%)
- Brea (52%)
- Buena Park (1%)
- Costa Mesa (2%)
- Coto de Caza (92%)
- Cypress (0%)
- Dana Point (6%)
- Fountain Valley (0%)
- Fullerton (13%)
- Garden Grove (0%)
- Huntington Beach (1%)
- Irvine (35%)
- La Habra (8%)
- La Palma (0%)
- Ladera Ranch (64%)
- Laguna Beach (92%)
- Laguna Hills (3%)
- Laguna Niguel (51%)
- Laguna Woods (26%)
- Lake Forest (37%)
- Las Flores (97%)
- Los Alamitos (0%)
- Midway City (0%)
- Mission Viejo (19%)
- Modjeska (77%)
- Newport Beach (34%)
- North Tustin (15%)
- Orange (26%)
- Placentia (0%)
- Rancho Mission Viejo (97%)
- Rancho Santa Margarita (87%)
- Rossmoor (0%)
- San Clemente (58%)
- San Juan Capistrano (57%)
- Santa Ana (0%)
- Seal Beach (0%)
- Silverado (72%)
- Stanton (0%)
- Trabuco Canyon (98%)
- Tustin (7%)
- Villa Park (6%)
- Westminster (0%)
- Williams Canyon (100%)
- Yorba Linda (47%)
Percent of the area in High or Very High zones.
Fires recorded in or across Orange County
The state record shows 204 since 1950. The largest was STEWARD in 1958 (68,106 acres in total).
- CLUB (2025), 4 acres
- AIRPORT (2024), 23,526 acres
- COASTAL (2022), 202 acres
- EMERALD (2022), 155 acres
- JIM (2022), 553 acres
- PICO (2021), 7 acres
- CECIL (2021), 6 acres
- LAGUNA (2021), 11 acres
- BONITA (2021), 1 acres
- RIDGE (2021), 6 acres
- WINDY RIDGE (2021), 2 acres
- NIGUEL (2021), 22 acres
- HIGHLAND (2020), 1 acres
- NICHOLS (2020), 8 acres
- LAGUNA (2020), 7 acres