Simi Valley

City in Ventura County

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Report created October 27, 2026 at www.firezones.info/community/72016/simi-valley

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    65% Very High

    Most of the Very High land is in the Local Responsibility Area, where the City of Simi Valley adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    51% has burned

    Most recently the 2024 Madera Fire, which burned 2 acres here, one of 56 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    100% Extreme

    Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.

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Land by hazard class

  1. Very High 17,625 acres · 25 state, 17,600 local 65%
  2. High 1,546 acres · 1 state, 1,546 local 6%
  3. Moderate 1,139 acres · Local Responsibility Area 4%
  4. Non-wildland 6,728 acres · Local Responsibility Area 25%
  5. Not mapped by CAL FIRE 2 acres · Mostly federal land <1%

27,039 acres of land in all, 26 in the State Responsibility Area and 27,012 in the Local. State zones are the ones the State Fire Marshal designated, in effect since 1 April 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

Largest fires

  1. 1970 Clampitt Fire Of 115,537 acres in all · Cause: Power lines 9,340 acres
  2. 2003 Simi Fire Of 107,570 acres in all 4,727 acres
  3. 1967 Devonshire-Parker Fire Of 23,094 acres in all 3,420 acres
  4. 2018 Woolsey Fire Of 89,551 acres in all · Cause: Power lines 3,348 acres
  5. 1982 Hall Fire Of 2,648 acres in all 2,006 acres
  6. 1941 Pacific Western Fire 1,793 acres
  7. 1981 Oat Fire Of 17,787 acres in all 1,304 acres
  8. 1967 Ditch Road Fire Of 1,246 acres in all 1,196 acres
  9. 2005 Topanga Fire Of 23,396 acres in all 876 acres
  10. 2019 Easy Fire Of 1,806 acres in all 741 acres

And 46 smaller fires. In all, 13,834 acres of Simi Valley 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

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 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

Nearby areas

ZIP codes in Simi Valley

Neighboring communities

  1. Simi Valley 65% Very High · this area
  2. Bell Canyon 100% Very High
  3. Los Angeles 33% Very High
  4. Moorpark 80% Very High
  5. Oak Park 77% Very High
  6. Santa Susana 100% Very High
  7. Thousand Oaks 70% Very High