ZIP code 91759

Los Angeles and San Bernardino counties, including Claremont

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Report created October 31, 2026 at www.firezones.org/zip/91759

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 1,840 acres · 1,695 state, 145 local 3%
    2. Not mapped by CAL FIRE 50,980 acres · Mostly federal land 97%

    52,820 acres of land in all, 1,695 in the State Responsibility Area and 145 in the Local. 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

    The 10 largest of 64 fires that burned here

    1. 2024 Bridge Fire 55,724 acres in total 30,397 acres here
    2. 1953 Fish Fork Fire 24,610 acres in total 14,847 acres here
    3. 1975 Village Fire 14,141 acres here
    4. 2002 Williams Fire 38,119 acres in total · Cause: Arson 11,724 acres here
    5. 1997 Narrows Fire 18,160 acres in total · Cause: Debris burning 11,269 acres here
    6. 1980 Thunder Fire 10,009 acres in total · Cause: Equipment use 9,714 acres here
    7. 1919 San Gabriel Fire 54,610 acres in total 9,612 acres here
    8. 1960 Unnamed fire 22,736 acres in total 7,157 acres here
    9. 2003 Padua Fire 10,458 acres in total · Cause: Arson 5,745 acres here
    10. 1953 Barrett Fire 6,868 acres in total 5,406 acres here

    And 54 smaller fires. The most recent was the 2024 Bridge Fire, which burned 30,397 acres here. In all, 51,353 acres of ZIP code 91759 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 91759

Neighboring ZIP codes

  1. 91759 3% Very High · this area
  2. 91702 7% Very High
  3. 91711 42% Very High
  4. 91750 29% Very High
  5. 91784 25% Very High
  6. 92358 7% Very High
  7. 92397 16% 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