Orange

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 3,620 acres · 10 state, 3,609 local 22%
  2. High 657 acres · Local Responsibility Area 4%
  3. Moderate 444 acres · Local Responsibility Area 3%
  4. Non-wildland 11,801 acres · Local Responsibility Area 71%

  16,522 acres of land in all, 10 in the State Responsibility Area and 16,512 in the Local. State zones are the ones the State Fire Marshal designated, in effect since April 1, 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

• Fire history

  The 10 largest of 15 fires that burned here

  Map
  1. 1967 Paseo Grande Fire 51,077 acres in total 4,051 acres here
  2. 1948 Green River Fire 53,080 acres in total 3,558 acres here
  3. 1982 Gypsum Fire 20,142 acres in total · Cause: Miscellaneous 3,305 acres here
  4. 2017 Canyon Ii Fire 9,198 acres in total · Cause: Debris burning 1,261 acres here
  5. 1914 Unnamed fire 18,755 acres in total 770 acres here
  6. 1993 Stagecoach Fire 581 acres in total 549 acres here
  7. 2007 241 Incident Fire 1,618 acres in total · Cause: Arson 279 acres here
  8. 1958 Santiago Fire 109 acres here
  9. 2000 Racetrack Fire Cause: Equipment use 52 acres here
  10. 2007 Santiago Fire 28,430 acres in total · Cause: Miscellaneous 23 acres here

  And 5 smaller fires. The most recent was the 2019 Bommer Fire, which burned 1 acre here. In all, 4,208 acres of Orange have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history