ZIP code 91978

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 2,029 acres · 1,706 state, 324 local 26%
  2. High 89 acres · 8 state, 81 local 1%
  3. Moderate 93 acres · Local Responsibility Area 1%
  4. Non-wildland 329 acres · Local Responsibility Area 4%
  5. Not mapped by CAL FIRE 5,123 acres · Mostly federal land 67%

  7,664 acres of land in all, 1,714 in the State Responsibility Area and 827 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 25 fires that burned here

  Map
  1. 1985 Miller Fire 8,270 acres in total · Cause: Miscellaneous 4,956 acres here
  2. 1970 Laguna Fire 174,162 acres in total · Cause: Campfire 4,880 acres here
  3. 2007 Harris 2 Fire 90,728 acres in total 4,562 acres here
  4. 1911 Unnamed fire 10,394 acres in total · Cause: Miscellaneous 3,824 acres here
  5. 1950 Wet Back Fire 3,955 acres in total 2,959 acres here
  6. 1999 Proctor Fire 1,460 acres in total · Cause: Arson 1,139 acres here
  7. 1958 San Miguel Fire 975 acres in total 358 acres here
  8. 1945 Unnamed fire 708 acres in total 316 acres here
  9. 1926 Unnamed fire 10,371 acres in total · Cause: Miscellaneous 309 acres here
  10. 1998 Jamacha Fire 148 acres here

  And 15 smaller fires. The most recent was the 2025 Lodge Fire, which burned 77 acres here. In all, 6,703 acres of ZIP code 91978 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