Claremont

City in Los Angeles County

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Report created October 27, 2026 at www.firezones.info/community/13756/claremont

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    37% Very High

    Most of the Very High land is in the Local Responsibility Area, where the City of Claremont adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    46% has burned

    Most recently the 2003 Padua Fire, which burned 3,349 acres here, one of 37 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    15% 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.

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Land by hazard class

  1. Very High 3,187 acres · 1 state, 3,186 local 37%
  2. High 953 acres · Local Responsibility Area 11%
  3. Moderate 288 acres · Local Responsibility Area 3%
  4. Non-wildland 4,105 acres · Local Responsibility Area 48%
  5. Not mapped by CAL FIRE 88 acres · Mostly federal land 1%

8,621 acres of land in all, 1 in the State Responsibility Area and 8,533 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. 2003 Padua Fire Of 10,458 acres in all · Cause: Arson 3,349 acres
  2. 1962 Unnamed fire Of 2,017 acres in all 1,768 acres
  3. 1979 Millie Fire Of 1,996 acres in all 1,700 acres
  4. 1927 Webb School No. 26 Fire Of 855 acres in all 685 acres
  5. 1910 Unnamed fire Of 1,646 acres in all 654 acres
  6. 1990 Webb Ii Fire Of 340 acres in all 320 acres
  7. 1985 Johnson Fire 231 acres
  8. 1997 Amarillo/Tank Fire Of 202 acres in all 163 acres
  9. 1989 Sycamore Fire 159 acres
  10. 1914 Unnamed fire Of 1,711 acres in all 152 acres

And 27 smaller fires. In all, 4,009 acres of Claremont 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 Claremont

Neighboring communities

  1. Claremont 37% Very High · this area
  2. La Verne 29% Very High
  3. Montclair No hazard zones
  4. Pomona 11% High · <1% Very High
  5. San Antonio Heights 59% Very High
  6. Upland 5% High · 5% Very High