ZIP code 94939

Marin County, including Larkspur and Kentfield

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Report created October 27, 2026 at www.firezones.info/zip/94939

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    56% Moderate · <1% Very High

    Most of the Moderate land is in the Local Responsibility Area, where each city or county adopts the zones CAL FIRE recommends.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    2% has burned

    Most recently the 1941 Uknown Fire, which burned 25 acres here, one of 2 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    32% 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 2 acres · <1 state, 2 local <1%
  2. Moderate 913 acres · 185 state, 728 local 56%
  3. Non-wildland 709 acres · Local Responsibility Area 44%

1,625 acres of land in all, 185 in the State Responsibility Area and 1,440 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. 1941 Uknown Fire Of 109 acres in all 25 acres
  2. — Uknown Fire Of 133 acres in all 5 acres

In all, 30 acres of ZIP code 94939 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

Communities in ZIP code 94939

Neighboring ZIP codes

  1. 94939 56% Moderate · <1% Very High · this area
  2. 94901 49% Moderate · 3% High
  3. 94904 15% Very High
  4. 94925 41% Moderate · 1% Very High
  5. 94941 56% Very High
  6. 94957 96% Moderate
  7. 94964 No hazard zones