ZIP code 91304

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 3,159 acres · 1,966 state, 1,193 local 51%
  2. High 236 acres · Local Responsibility Area 4%
  3. Moderate 212 acres · Local Responsibility Area 3%
  4. Non-wildland 2,629 acres · Local Responsibility Area 42%

  6,237 acres of land in all, 1,966 in the State Responsibility Area and 4,270 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 23 fires that burned here

  Map
  1. 1967 Devonshire-Parker Fire 23,094 acres in total 2,408 acres here
  2. 1949 Simi Hills Fire 20,579 acres in total 2,073 acres here
  3. 2005 Topanga Fire 23,396 acres in total 2,067 acres here
  4. 1970 Clampitt Fire 115,537 acres in total · Cause: Power lines 2,062 acres here
  5. 1981 Oat Fire 17,787 acres in total 1,392 acres here
  6. 2018 Woolsey Fire 89,551 acres in total · Cause: Power lines 766 acres here
  7. 1952 Susana Knolls Fire 1,255 acres in total 694 acres here
  8. 1982 Dayton Canyon Fire 43,097 acres in total 690 acres here
  9. 1985 Box Canyon (Pioneer) Fire 1,247 acres in total 676 acres here
  10. 1975 Box Canyon Fire 553 acres in total 493 acres here

  And 13 smaller fires. The most recent was the 2018 Woolsey Fire, which burned 766 acres here. In all, 2,977 acres of ZIP code 91304 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