Marin County

County in California

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Report created October 27, 2026 at www.firezones.info/county/041/marin

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    8% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    23% has burned

    Most recently the 2022 Redwood Fire, which burned 105 acres here, one of 182 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    20% 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.

Land by hazard class

  1. Very High 28,211 acres · 26,259 state, 1,953 local 8%
  2. High 114,542 acres · 102,217 state, 12,325 local 33%
  3. Moderate 86,727 acres · 71,336 state, 15,391 local 25%
  4. Non-wildland 26,655 acres · Local Responsibility Area 8%
  5. Not mapped by CAL FIRE 91,480 acres · Mostly federal land 26%

347,615 acres of land in all, 199,812 in the State Responsibility Area and 56,323 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. 1923 Uknown Fire 31,769 acres
  2. 1995 Vision Fire 11,777 acres
  3. 2020 Woodward Fire Cause: Lightning 4,899 acres
  4. — Uknown Fire 3,565 acres
  5. — Uknown Fire 2,919 acres
  6. — Uknown Fire 1,725 acres
  7. — Uknown Fire 1,615 acres
  8. — Devils Gulch Fire 1,543 acres
  9. — Uknown Fire 1,487 acres
  10. — Uknown Fire 1,184 acres

And 172 smaller fires. In all, 81,213 acres of Marin 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

Neighboring counties

  1. Marin County 8% Very High · this area
  2. San Francisco County <1% Moderate · <1% Very High
  3. Sonoma County 33% Very High