Riverside County

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 691,268 acres · 533,625 state, 157,643 local 15%
  2. High 74,774 acres · 37,857 state, 36,917 local 2%
  3. Moderate 498,694 acres · 63,535 state, 435,159 local 11%
  4. Non-wildland 557,390 acres · Local Responsibility Area 12%
  5. Not mapped by CAL FIRE 2,851,544 acres · Mostly federal land 61%

  4,673,670 acres of land in all, 635,017 in the State Responsibility Area and 1,187,109 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 1,336 fires that burned here

  Map
  1. 1928 Unnamed fire 60,174 acres here
  2. 1944 Unnamed fire 58,790 acres in total 52,312 acres here
  3. 1980 Dry Falls Fire 41,751 acres here
  4. 2006 Esperanza Fire Cause: Arson 40,177 acres here
  5. 1980 Turner Fire 31,447 acres in total 30,268 acres here
  6. 1998 Edna Fire Cause: Arson 28,136 acres here
  7. 2022 Fairview Fire 28,097 acres here
  8. 2013 Mountain Fire Cause: Miscellaneous 27,519 acres here
  9. 1945 Unnamed fire 37,888 acres in total 26,842 acres here
  10. 1967 Unnamed fire 25,620 acres here

  And 1,326 smaller fires. The most recent was the 2025 Crump Fire, which burned 55 acres here. In all, 927,008 acres of Riverside County 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