ZIP code 91104

Los Angeles County, including Pasadena and Altadena

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Report created October 31, 2026 at www.firezones.org/zip/91104

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 6 acres · Local Responsibility Area <1%
    2. High 14 acres · Local Responsibility Area 1%
    3. Moderate 21 acres · Local Responsibility Area 1%
    4. Non-wildland 2,376 acres · Local Responsibility Area 98%

    2,416 acres of land in all, 2,416 of it in the Local Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since April 1, 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

  • Fire history

    Fires CAL FIRE has recorded here

    1. 2025 Eaton Fire 14,056 acres in total 4 acres here

    In all, 4 acres of ZIP code 91104 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

Nearby areas

Communities in ZIP code 91104

Neighboring ZIP codes

  1. 91104 1% Moderate · <1% Very High · this area
  2. 91001 36% Very High
  3. 91101 No hazard zones
  4. 91103 37% Very High
  5. 91106 No hazard zones
  6. 91107 21% Very High

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 2026

This site is independent and not affiliated with CAL FIRE, so for an official determination, check with the agency or your city or county. How we read the data