ZIP code 95431

Sonoma County

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Report created October 27, 2026 at www.firezones.info/zip/95431

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    100% Moderate

    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

    16% has burned

    The 2017 Nuns Fire burned 12 acres here.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    25% Elevated

    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 77 acres · 12 state, 65 local 100%

77 acres of land in all, 12 in the State Responsibility Area and 65 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. 2017 Nuns Fire Of 55,798 acres in all 12 acres

In all, 12 acres of ZIP code 95431 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 ZIP codes

  1. 95431 100% Moderate · this area
  2. 95442 58% Very High
  3. 95476 25% Very High