Irwindale

City in Los Angeles County

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Report created October 27, 2026 at www.firezones.info/community/36826/irwindale

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    5% High

    All of the High land is in the Local Responsibility Area, where the City of Irwindale adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    9% has burned

    Most recently the 1929 Rock Pit No. 46 Fire, which burned 52 acres here, one of 4 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    <1% Elevated

    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. High 309 acres · Local Responsibility Area 5%
  2. Moderate 258 acres · Local Responsibility Area 4%
  3. Non-wildland 3,787 acres · Local Responsibility Area 62%
  4. Not mapped by CAL FIRE 1,796 acres · Mostly federal land 29%

6,151 acres of land in all, 4,355 of it in the Local Responsibility Area. 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

Fires that burned here

  1. 1928 Brush Flats No. 12 Fire 241 acres
  2. 1928 Bradbury No. 62 Fire Of 227 acres in all 178 acres
  3. 1929 Bonita No. 28 Fire 145 acres
  4. 1929 Rock Pit No. 46 Fire Of 145 acres in all 52 acres

In all, 564 acres of Irwindale 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 Irwindale

Neighboring communities

  1. Irwindale 5% High · this area
  2. Arcadia 8% Very High
  3. Azusa 27% Very High
  4. Baldwin Park 1% High
  5. Bradbury 81% Very High
  6. Covina <1% Moderate · <1% Very High
  7. Duarte 20% Very High
  8. El Monte <1% High
  9. Mayflower Village No hazard zones
  10. Monrovia 33% Very High
  11. North El Monte No hazard zones
  12. South Monrovia Island No hazard zones
  13. Vincent No hazard zones
  14. West Covina 8% High · <1% Very High