Mendocino County

County in California

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Report created October 27, 2026 at www.firezones.info/county/045/mendocino

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    36% 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

    30% has burned

    Most recently the 2025 Baldy 2 Fire, which burned 7 acres here, one of 411 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    80% Elevated · 5% 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 812,838 acres · 803,217 state, 9,621 local 36%
  2. High 743,348 acres · 735,833 state, 7,515 local 33%
  3. Moderate 329,290 acres · 314,579 state, 14,711 local 15%
  4. Non-wildland 21,489 acres · Local Responsibility Area 1%
  5. Not mapped by CAL FIRE 342,593 acres · Mostly federal land 15%

2,249,557 acres of land in all, 1,853,629 in the State Responsibility Area and 53,335 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. 2020 August Complex Of 1,032,700 acres in all · Cause: Lightning 192,302 acres
  2. 1987 Mendenhall Fire Of 65,468 acres in all · Cause: Lightning 48,778 acres
  3. 2012 North Pass Fire Cause: Lightning 41,803 acres
  4. 2017 Redwood Valley Fire 36,494 acres
  5. 1931 Comptche Fire 33,102 acres
  6. 1945 Will Creek Fire 30,725 acres
  7. 1950 Strong Mountain Fire 20,619 acres
  8. 2018 Ranch Fire Of 410,202 acres in all · Cause: Miscellaneous 15,025 acres
  9. 1945 Hayworth Ridge Fire 14,941 acres
  10. 2006 Hunter Fire Of 16,234 acres in all · Cause: Lightning 13,124 acres

And 401 smaller fires. In all, 666,469 acres of Mendocino 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 Mendocino County

Unincorporated communities in Mendocino County

ZIP codes in Mendocino County

Neighboring counties

  1. Mendocino County 36% Very High · this area
  2. Glenn County 13% Very High
  3. Humboldt County 21% Very High
  4. Lake County 45% Very High
  5. Sonoma County 33% Very High
  6. Tehama County 40% Very High
  7. Trinity County 23% Very High