Foresthill

Community in Placer County

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Report created October 27, 2026 at www.firezones.info/community/24834/foresthill

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    56% Very High

    All 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

    53% has burned

    Most recently the 2022 Mosquito Fire, which burned 3,423 acres here, one of 7 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    100% 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 4,023 acres · State Responsibility Area 56%
  2. Not mapped by CAL FIRE 3,136 acres · Mostly federal land 44%

7,158 acres of land in all, 4,023 of it in the State Responsibility Area. 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

Fires that burned here

  1. 2022 Mosquito Fire Of 76,771 acres in all · Cause: Miscellaneous 3,423 acres
  2. 1931 Unnamed fire Of 3,297 acres in all 2,595 acres
  3. 1960 Volcano Fire Of 42,596 acres in all · Cause: Smoking 1,080 acres
  4. 1917 Section 28 Fire Of 232 acres in all · Cause: Miscellaneous 224 acres
  5. 1917 Miller Diggins Fire Of 287 acres in all 135 acres
  6. 1910 Unnamed fire Of 388 acres in all 13 acres
  7. 1960 Volcano Fire Of 2,136 acres in all 5 acres

In all, 3,826 acres of Foresthill 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 Foresthill