ZIP code 91024

Los Angeles County, including Sierra Madre and Arcadia

Search for an address

Report created October 27, 2026 at www.firezones.info/zip/91024

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    49% 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.

    Open map

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    45% has burned

    Most recently the 2025 Eaton Fire, which burned 790 acres here, one of 27 fires on record.

    Open map

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    46% 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 1,092 acres · 34 state, 1,058 local 49%
  2. High 146 acres · Local Responsibility Area 6%
  3. Moderate 130 acres · Local Responsibility Area 6%
  4. Non-wildland 580 acres · Local Responsibility Area 26%
  5. Not mapped by CAL FIRE 291 acres · Mostly federal land 13%

2,239 acres of land in all, 34 in the State Responsibility Area and 1,914 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. 2025 Eaton Fire Of 14,056 acres in all 790 acres
  2. 1953 Monrovia Peak Fire Of 14,061 acres in all 758 acres
  3. 1954 Monrovia Peak Fire Of 13,870 acres in all 716 acres
  4. 1900 Big Fire Of 16,961 acres in all 501 acres
  5. 2008 Santa Anita Fire Of 557 acres in all 335 acres
  6. 1999 Santa Anita Ii Fire Of 736 acres in all · Cause: Miscellaneous 331 acres
  7. 1961 Unnamed fire Of 922 acres in all 328 acres
  8. 1978 Mountain Trail Fire Of 1,295 acres in all 324 acres
  9. 1969 Bole Fire Of 715 acres in all 218 acres
  10. 2020 Bobcat Fire Of 115,998 acres in all 207 acres

And 17 smaller fires. In all, 1,012 acres of ZIP code 91024 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 91024

Neighboring ZIP codes

  1. 91024 49% Very High · this area
  2. 91006 13% Very High
  3. 91007 No hazard zones
  4. 91016 43% Very High
  5. 91107 21% Very High