ZIP code 91304

Los Angeles and Ventura counties, including Los Angeles

Search for an address

Report created October 27, 2026 at www.firezones.info/zip/91304

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    51% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

    Open map

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    48% has burned

    Most recently the 2018 Woolsey Fire, which burned 766 acres here, one of 23 fires on record.

    Open map

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    36% 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.

    Open map

Land by hazard class

  1. Very High 3,159 acres · 1,966 state, 1,193 local 51%
  2. High 236 acres · Local Responsibility Area 4%
  3. Moderate 212 acres · Local Responsibility Area 3%
  4. Non-wildland 2,629 acres · Local Responsibility Area 42%

6,237 acres of land in all, 1,966 in the State Responsibility Area and 4,270 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. 1967 Devonshire-Parker Fire Of 23,094 acres in all 2,408 acres
  2. 1949 Simi Hills Fire Of 20,579 acres in all 2,073 acres
  3. 2005 Topanga Fire Of 23,396 acres in all 2,067 acres
  4. 1970 Clampitt Fire Of 115,537 acres in all · Cause: Power lines 2,062 acres
  5. 1981 Oat Fire Of 17,787 acres in all 1,392 acres
  6. 2018 Woolsey Fire Of 89,551 acres in all · Cause: Power lines 766 acres
  7. 1952 Susana Knolls Fire Of 1,255 acres in all 694 acres
  8. 1982 Dayton Canyon Fire Of 43,097 acres in all 690 acres
  9. 1985 Box Canyon (Pioneer) Fire Of 1,247 acres in all 676 acres
  10. 1975 Box Canyon Fire Of 553 acres in all 493 acres

And 13 smaller fires. In all, 2,977 acres of ZIP code 91304 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 91304

Neighboring ZIP codes

  1. 91304 51% Very High · this area
  2. 91303 <1% Moderate
  3. 91306 <1% Moderate
  4. 91307 57% Very High
  5. 91311 78% Very High
  6. 91324 No hazard zones
  7. 93063 82% Very High
  8. 93064 92% Very High