Stevenson Ranch

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 3,316 acres · 1,848 state, 1,468 local 81%
  2. High 303 acres · 7 state, 295 local 7%
  3. Moderate 206 acres · Local Responsibility Area 5%
  4. Non-wildland 262 acres · Local Responsibility Area 6%

  4,086 acres of land in all, 1,855 in the State Responsibility Area and 2,231 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 21 fires that burned here

  Map
  1. 1962 Golden Fire 9,233 acres in total 2,192 acres here
  2. 1979 Valencia Fire 1,214 acres here
  3. 1940 Townley Cyn-Pico Cyn Fire 6,532 acres in total 971 acres here
  4. 1970 Clampitt Fire 115,537 acres in total · Cause: Power lines 874 acres here
  5. 2003 Simi Fire 107,570 acres in total 854 acres here
  6. 1954 Pico Fire 671 acres here
  7. 1969 Unnamed fire 635 acres here
  8. 2007 Magic Fire 2,825 acres in total 589 acres here
  9. 1969 Valencia Fire 537 acres here
  10. 1945 Sheriff No. 109 Fire 430 acres here

  And 11 smaller fires. The most recent was the 2018 Pico Fire, which burned 111 acres here. In all, 3,626 acres of Stevenson Ranch 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