Thousand Oaks

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 24,843 acres · 11 state, 24,831 local 70%
  2. High 2,265 acres · Local Responsibility Area 6%
  3. Moderate 1,710 acres · Local Responsibility Area 5%
  4. Non-wildland 6,639 acres · Local Responsibility Area 19%
  5. Not mapped by CAL FIRE 1 acre · Mostly federal land <1%

  35,458 acres of land in all, 11 in the State Responsibility Area and 35,445 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 63 fires that burned here

  Map
  1. 1980 Hill Canyon Fire 11,975 acres in total 4,835 acres here
  2. 2018 Woolsey Fire 89,551 acres in total · Cause: Power lines 4,183 acres here
  3. 1982 Dayton Canyon Fire 43,097 acres in total 3,595 acres here
  4. 1976 Los Robles Fire 2,246 acres in total 1,961 acres here
  5. 2018 Hill Fire 4,310 acres in total 1,827 acres here
  6. 1949 Simi Hills Fire 20,579 acres in total 1,775 acres here
  7. 1967 Devonshire-Parker Fire 23,094 acres in total 1,658 acres here
  8. 1956 Sherwood/Zuma Fire 35,170 acres in total 1,378 acres here
  9. 1970 Clampitt Fire 115,537 acres in total · Cause: Power lines 1,099 acres here
  10. 1993 Green Meadows Fire 38,479 acres in total 1,078 acres here

  And 53 smaller fires. The most recent was the 2025 Janss Fire, which burned 2 acres here. In all, 16,183 acres of Thousand Oaks 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