ZIP code 91320

Ventura County, including Thousand Oaks and Casa Conejo

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Report created October 27, 2026 at www.firezones.info/zip/91320

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    64% Very High

    Most of the Very High land is in the Local Responsibility Area, where each city or county adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    61% has burned

    Most recently the 2024 View Fire, which burned 3 acres here, one of 29 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    73% 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 8,297 acres · 1,755 state, 6,542 local 64%
  2. High 717 acres · 11 state, 705 local 6%
  3. Moderate 595 acres · Local Responsibility Area 5%
  4. Non-wildland 2,173 acres · Local Responsibility Area 17%
  5. Not mapped by CAL FIRE 1,131 acres · Mostly federal land 9%

12,913 acres of land in all, 1,766 in the State Responsibility Area and 10,015 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 4,342 acres
  2. 1993 Green Meadows Fire Of 38,479 acres in all 3,469 acres
  3. 2013 Springs Fire Of 23,677 acres in all 2,553 acres
  4. 2018 Hill Fire Of 4,310 acres in all 1,140 acres
  5. 1957 Conejo Grade Fire Of 1,385 acres in all 943 acres
  6. 1955 Ventu Park Fire Of 13,957 acres in all 752 acres
  7. 1976 Los Robles Fire Of 2,246 acres in all 541 acres
  8. 1973 Potrero Fire Of 12,298 acres in all 257 acres
  9. 1975 Potrero Fire Of 3,019 acres in all 214 acres
  10. 1968 Conejo Grade Brush Fire Of 857 acres in all 184 acres

And 19 smaller fires. In all, 7,867 acres of ZIP code 91320 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

Communities in ZIP code 91320

Neighboring ZIP codes

  1. 91320 64% Very High · this area
  2. 90265 80% Very High
  3. 91360 58% Very High
  4. 91361 80% Very High
  5. 93012 64% Very High