Potrero Fire

Wildfire in Ventura County, September 1973

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Printed October 28, 2026 from www.firezones.info/fire/2776/potrero-fire-1973

Key facts

Started September 6, 1973
Contained Not recorded
Burned 12,298 acres
7th largest fire of 1973
Cause Not recorded
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Where it burned

County

  1. Ventura County 12,298 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. 1930 Potrero No. 42 Fire 20,393 acres in total 1,148 acres shared
  2. 1947 La Fouge Fire 507 acres in total 3 acres shared
  3. 1951 Rancho Sierra Vista Fire 3,288 acres shared
  4. 1951 Houston Fire 565 acres in total 36 acres shared
  5. 1955 Ventu Park Fire 13,957 acres in total 2,084 acres shared
  6. 1959 Broome Ranch Fire 1,237 acres shared

Burned again

  1. 1975 Potrero Fire 3,019 acres in total 1,221 acres shared
  2. 1980 Hill Canyon Fire 11,975 acres in total 435 acres shared
  3. 1989 Pacific Fire 3,180 acres in total 1,561 acres shared
  4. 1992 Broome Ranch Fire 1,310 acres in total 1,184 acres shared
  5. 1993 Green Meadows Fire 38,479 acres in total 11,424 acres shared
  6. 2003 Sycamore Incident Fire Cause: Power lines 77 acres shared
  7. 2008 La Jolla Fire 22 acres shared
  8. 2013 Springs Fire 23,677 acres in total 11,386 acres shared
  9. 2018 Woolsey Fire 89,551 acres in total · Cause: Power lines 144 acres shared
  10. 2023 Trail Fire 2 acres shared
  11. 2024 University Fire 15 acres shared

Acres are the land each fire shares with the Potrero 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