San Anselmo

Town in Marin County

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Report created October 27, 2026 at www.firezones.info/community/64434/san-anselmo

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    54% Moderate

    Most of the Moderate land is in the Local Responsibility Area, where the Town of San Anselmo adopts the zones CAL FIRE recommends.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    14% has burned

    Most recently the 1976 Sorich Park Fire, which burned 104 acres here, one of 5 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    42% 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. 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 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

Fires that burned here

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

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

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

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