ZIP code 95403

Sonoma County, including Santa Rosa, Larkfield-Wikiup, Windsor and others

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Report created October 27, 2026 at www.firezones.info/zip/95403

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    35% High · 1% Very High

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

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    49% has burned

    Most recently the 2020 Ursuline Fire, which burned 11 acres here, one of 5 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    21% 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.

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Land by hazard class

  1. Very High 179 acres · State Responsibility Area 1%
  2. High 4,878 acres · 3,720 state, 1,158 local 35%
  3. Moderate 1,703 acres · 427 state, 1,276 local 12%
  4. Non-wildland 7,051 acres · Local Responsibility Area 51%

13,812 acres of land in all, 4,326 in the State Responsibility Area and 9,485 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 Tubbs Fire Of 36,702 acres in all 5,123 acres
  2. 1964 C. Hanly Fire Of 55,961 acres in all 4,173 acres
  3. 2019 Kincade Fire Of 77,762 acres in all · Cause: Power lines 1,159 acres
  4. 1950 P.g.& E. #4 Fire Of 1,133 acres in all 345 acres
  5. 2020 Ursuline Fire Of 12 acres in all · Cause: Equipment use 11 acres

In all, 6,805 acres of ZIP code 95403 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 95403

Neighboring ZIP codes

  1. 95403 35% High · 1% Very High · this area
  2. 95401 26% Moderate
  3. 95404 27% Very High
  4. 95439 33% Moderate
  5. 95448 44% Very High
  6. 95492 8% High