ZIP code 91901

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 26,697 acres · State Responsibility Area 53%
  2. High 2,034 acres · State Responsibility Area 4%
  3. Not mapped by CAL FIRE 21,553 acres · Mostly federal land 43%

  50,284 acres of land in all, 28,731 of it in the State Responsibility Area. 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 76 fires that burned here

  Map
  1. 1970 Laguna Fire 174,162 acres in total · Cause: Campfire 29,922 acres here
  2. 2003 Cedar Fire 270,686 acres in total · Cause: Equipment use 13,138 acres here
  3. 1929 Unnamed fire 22,336 acres in total · Cause: Miscellaneous 8,711 acres here
  4. 2001 Viejas Fire 10,438 acres in total · Cause: Smoking 6,985 acres here
  5. 1950 Conejos Fire 62,849 acres in total · Cause: Miscellaneous 6,561 acres here
  6. 2020 Valley Fire 16,390 acres in total 4,097 acres here
  7. 1924 Unnamed fire 5,166 acres in total · Cause: Miscellaneous 4,044 acres here
  8. 1943 Unnamed fire Cause: Miscellaneous 3,911 acres here
  9. 1911 Unnamed fire 7,307 acres in total · Cause: Miscellaneous 3,898 acres here
  10. 1917 Unnamed fire 6,164 acres in total 2,538 acres here

  And 66 smaller fires. The most recent was the 2021 Bambi Fire, which burned 7 acres here. In all, 47,932 acres of ZIP code 91901 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