ZIP code 95223

Alpine, Calaveras and Tuolumne counties, including Arnold, Bear Valley and Dorrington

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Report created October 27, 2026 at www.firezones.info/zip/95223

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    7% 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

    16% has burned

    Most recently the 2023 Wolf Creek Fire, which burned 33 acres here, one of 39 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    7% 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 18,849 acres · State Responsibility Area 7%
  2. High 3,236 acres · State Responsibility Area 1%
  3. Moderate 401 acres · State Responsibility Area <1%
  4. Not mapped by CAL FIRE 251,799 acres · Mostly federal land 92%

274,285 acres of land in all, 22,486 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. 2018 Donnell Fire Of 36,461 acres in all · Cause: Campfire 13,014 acres
  2. 2020 Slink Fire Of 26,752 acres in all 12,723 acres
  3. 2015 Washington Fire Of 17,780 acres in all · Cause: Lightning 4,434 acres
  4. 2003 Mudd Fire Cause: Lightning 4,335 acres
  5. 2017 Mccormick Fire Of 4,423 acres in all · Cause: Lightning 3,648 acres
  6. 1999 Hiram Fire Cause: Lightning 2,750 acres
  7. 2012 Ramsey Fire Cause: Campfire 1,135 acres
  8. 2016 Mokelumne Fire Cause: Lightning 649 acres
  9. 1951 Clarks Fork Fire Of 330 acres in all · Cause: Campfire 314 acres
  10. 1955 Fence Creek Fire Cause: Lightning 292 acres

And 29 smaller fires. In all, 42,770 acres of ZIP code 95223 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 95223

Neighboring ZIP codes

  1. 95223 7% Very High · this area
  2. 95224 58% Very High
  3. 95246 80% Very High
  4. 95247 75% Very High
  5. 95364 <1% High · <1% Very High
  6. 95646 3% Moderate · <1% Very High
  7. 96107 10% Very High
  8. 96120 7% Very High