Thousand Oaks

City in Ventura County

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Report created October 27, 2026 at www.firezones.info/community/78582/thousand-oaks

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    70% Very High

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

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    46% has burned

    Most recently the 2025 Janss Fire, which burned 2 acres here, one of 63 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    94% 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 24,843 acres · 11 state, 24,831 local 70%
  2. High 2,265 acres · <1 state, 2,265 local 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 acres · 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 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. 1980 Hill Canyon Fire Of 11,975 acres in all 4,835 acres
  2. 2018 Woolsey Fire Of 89,551 acres in all · Cause: Power lines 4,183 acres
  3. 1982 Dayton Canyon Fire Of 43,097 acres in all 3,595 acres
  4. 1976 Los Robles Fire Of 2,246 acres in all 1,961 acres
  5. 2018 Hill Fire Of 4,310 acres in all 1,827 acres
  6. 1949 Simi Hills Fire Of 20,579 acres in all 1,775 acres
  7. 1967 Devonshire-Parker Fire Of 23,094 acres in all 1,658 acres
  8. 1956 Sherwood/Zuma Fire Of 35,170 acres in all 1,378 acres
  9. 1970 Clampitt Fire Of 115,537 acres in all · Cause: Power lines 1,099 acres
  10. 1993 Green Meadows Fire Of 38,479 acres in all 1,078 acres

And 53 smaller fires. 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

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 Thousand Oaks

Neighboring communities

  1. Thousand Oaks 70% Very High · this area
  2. Agoura Hills 78% Very High
  3. Camarillo 15% Very High
  4. Casa Conejo 8% High · 1% Very High
  5. Lake Sherwood >99% Very High
  6. Oak Park 77% Very High
  7. Santa Rosa Valley 97% Very High
  8. Simi Valley 65% Very High
  9. Westlake Village 71% Very High