Placer County

County in California

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Report created October 27, 2026 at www.firezones.info/county/061/placer

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    25% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    27% has burned

    Most recently the 2025 Ranch Fire, which burned 125 acres here, one of 323 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    17% 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 239,170 acres · 234,978 state, 4,192 local 25%
  2. High 88,320 acres · 78,974 state, 9,345 local 9%
  3. Moderate 82,317 acres · 43,575 state, 38,742 local 9%
  4. Non-wildland 143,915 acres · Local Responsibility Area 15%
  5. Not mapped by CAL FIRE 407,651 acres · Mostly federal land 42%

961,372 acres of land in all, 357,527 in the State Responsibility Area and 196,194 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. 2022 Mosquito Fire Of 76,771 acres in all · Cause: Miscellaneous 63,375 acres
  2. 1960 Volcano Fire Cause: Smoking 42,582 acres
  3. 2014 King Fire Of 97,685 acres in all · Cause: Arson 29,289 acres
  4. 1924 Deadwood Fire 27,879 acres
  5. 2013 American Fire Cause: Miscellaneous 27,430 acres
  6. 1936 Mckenzie Mill Fire 21,288 acres
  7. 2001 Star Fire Cause: Miscellaneous 16,459 acres
  8. 2008 Westville Fire Cause: Lightning 11,085 acres
  9. 2008 Government Fire Cause: Lightning 9,218 acres
  10. 2006 Ralston Fire Cause: Miscellaneous 8,418 acres

And 313 smaller fires. In all, 262,187 acres of Placer County 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

Cities and towns in Placer County

Unincorporated communities in Placer County

ZIP codes in Placer County

Neighboring counties

  1. Placer County 25% Very High · this area
  2. El Dorado County 38% Very High
  3. Nevada County 52% Very High
  4. Sacramento County 26% Moderate · <1% Very High
  5. Sutter County 7% High · 5% Very High
  6. Yuba County 29% Very High