San Anselmo

Town in Marin County

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Report created October 31, 2026 at www.firezones.org/community/64434/san-anselmo

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Moderate 920 acres · 17 state, 903 local 54%
    2. Non-wildland 792 acres · Local Responsibility Area 46%

    1,712 acres of land in all, 17 in the State Responsibility Area and 1,695 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

    Fires CAL FIRE has recorded here

    1. — Bald Hill Fire 350 acres in total 121 acres here
    2. 1976 Sorich Park Fire 285 acres in total 104 acres here
    3. 1941 Uknown Fire 112 acres in total 18 acres here
    4. — Uknown Fire 112 acres in total 11 acres here
    5. — Uknown Fire 65 acres in total 3 acres here

    The most recent was the 1976 Sorich Park Fire, which burned 104 acres here. In all, 247 acres of San Anselmo 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

ZIP codes in San Anselmo

Neighboring communities

  1. San Anselmo 54% Moderate · this area
  2. Fairfax 32% High
  3. Ross 96% Moderate
  4. San Rafael 15% High
  5. Sleepy Hollow 7% 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