Piru Fire

Wildfire in Ventura County, October 2003

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Printed October 28, 2026 from www.firezones.info/fire/5991/piru-fire-2003

Key facts

Started October 23, 2003
Contained October 31, 2003, after 8 days
Burned 63,726 acres
4th largest fire of 2003 and 99th largest in California's records
Cause Equipment use
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Where it burned

County

  1. Ventura County 63,716 acres

Communities

  1. Fillmore 166 acres
  2. Piru 95 acres

Acres are the land the fire burned in each county and community, and places where it burned less than an acre are not listed. Communities are cities, towns and the unincorporated places the Census Bureau names, so land outside any of them is counted only in its county.

The same land, other fires

Burned before

  1. 1912 Unnamed fire 913 acres shared
  2. 1917 Unnamed fire 44,009 acres in total · Cause: Miscellaneous 35,810 acres shared
  3. 1918 Unnamed fire 2,291 acres in total 1,354 acres shared
  4. 1925 Unnamed fire Cause: Miscellaneous 2,621 acres shared
  5. 1929 Unnamed fire 2,796 acres shared
  6. 1932 Matilija Fire 219,999 acres in total · Cause: Miscellaneous 4,933 acres shared
  7. 1952 Warring Canyon Fire 2,383 acres in total 2,207 acres shared
  8. 1954 Hopper Fire Cause: Miscellaneous 3,083 acres shared
  9. 1956 Bishops Fire 863 acres in total 848 acres shared
  10. 1957 Boulder Creek Fire 3,734 acres in total · Cause: Miscellaneous 1,036 acres shared
  11. 1961 Donlon & Fletcher Fire 2,426 acres shared
  12. 1967 Warring Canyon Fire 4,269 acres in total · Cause: Miscellaneous 3,898 acres shared
  13. 1971 Goodenough Fire 2,255 acres in total 2,188 acres shared
  14. 1984 Squaw Flat Fire 6,088 acres in total 5,920 acres shared
  15. 1996 Grand Fire 10,950 acres in total · Cause: Miscellaneous 2,422 acres shared
  16. 1997 Hopper Fire 24,797 acres in total · Cause: Miscellaneous 23,380 acres shared
  17. 1998 Piru Incident Fire 12,613 acres in total 12,186 acres shared

Burned again

  1. 2006 Day Fire 161,816 acres in total · Cause: Debris burning 1,814 acres shared
  2. 2007 Ranch Fire 58,410 acres in total · Cause: Equipment use 18,764 acres shared
  3. 2017 Thomas Fire 281,791 acres in total · Cause: Miscellaneous 1,904 acres shared

And 30 more fires that burned less of the same land. Acres are the land each fire shares with the Piru Fire, and fires that shared 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

Sources

Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Building damage
CAL FIRE Damage Inspection
Updated 19 October 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data