ZIP code 95631

Placer County, including Foresthill

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Report created October 27, 2026 at www.firezones.info/zip/95631

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    38% 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

    61% has burned

    Most recently the 2022 Mosquito Fire, which burned 33,977 acres here, one of 56 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    50% 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 42,515 acres · State Responsibility Area 38%
  2. High 297 acres · State Responsibility Area <1%
  3. Not mapped by CAL FIRE 68,884 acres · Mostly federal land 62%

111,696 acres of land in all, 42,812 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

Largest fires

  1. 2022 Mosquito Fire Of 76,771 acres in all · Cause: Miscellaneous 33,977 acres
  2. 1960 Volcano Fire Of 42,596 acres in all · Cause: Smoking 33,464 acres
  3. 1924 Deadwood Fire Of 27,880 acres in all 22,097 acres
  4. 1936 Mckenzie Mill Fire Of 21,288 acres in all 11,477 acres
  5. 2006 Ralston Fire Of 8,421 acres in all · Cause: Miscellaneous 5,286 acres
  6. 2001 Star Fire Of 16,465 acres in all · Cause: Miscellaneous 3,743 acres
  7. 1964 Roadside #51 Fire 3,528 acres
  8. 1931 Unnamed fire 3,296 acres
  9. 2014 King Fire Of 97,685 acres in all · Cause: Arson 2,783 acres
  10. 1925 Deadman's Flat Fire Of 2,588 acres in all · Cause: Miscellaneous 2,291 acres

And 46 smaller fires. In all, 68,340 acres of ZIP code 95631 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

Communities in ZIP code 95631

Neighboring ZIP codes

  1. 95631 38% Very High · this area
  2. 95603 22% Very High
  3. 95614 51% Very High
  4. 95634 65% Very High
  5. 95635 73% Very High
  6. 95701 82% Very High
  7. 95703 57% Very High
  8. 95713 69% Very High
  9. 95717 53% Very High