Mendocino County

County in California

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Report created October 31, 2026 at www.firezones.org/county/045/mendocino

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE 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 April 1, 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

  • Fire history

    The 10 largest of 411 fires that burned here

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

    And 401 smaller fires. The most recent was the 2025 Baldy 2 Fire, which burned 7 acres here. 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

Nearby areas

Cities and towns 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

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 2026

This site is independent and not affiliated with CAL FIRE, so for an official determination, check with the agency or your city or county. How we read the data