ZIP code 95421

Sonoma County, including Cazadero and Timber Cove

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Report created October 27, 2026 at www.firezones.info/zip/95421

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    30% Very High

    All of the Very 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

    37% has burned

    Most recently the 2021 Muniz Fire, which burned 2 acres here, one of 28 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    25% 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 27,221 acres · State Responsibility Area 30%
  2. High 50,245 acres · State Responsibility Area 55%
  3. Moderate 11,671 acres · State Responsibility Area 13%
  4. Not mapped by CAL FIRE 2,679 acres · Mostly federal land 3%

91,815 acres of land in all, 89,137 of it in the State Responsibility Area. 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

Largest fires

  1. 1978 Creighton Ridge Fire Of 10,761 acres in all 10,633 acres
  2. 1954 Charles Fire Of 10,591 acres in all 10,010 acres
  3. 1965 P.g.&E. #6 Fire Of 7,226 acres in all 2,897 acres
  4. 2020 Walbridge Fire Of 55,209 acres in all · Cause: Lightning 2,612 acres
  5. 1960 Unnamed fire Of 2,375 acres in all 2,344 acres
  6. 1961 Roadside #44 Fire Of 5,968 acres in all 1,841 acres
  7. 1960 Las Lomas Fire 1,820 acres
  8. 1953 Charles Fire 1,783 acres
  9. 1945 Unnamed fire Of 1,671 acres in all 1,548 acres
  10. 1959 Hollow Tree Fire Of 2,051 acres in all 1,276 acres

And 18 smaller fires. In all, 34,346 acres of ZIP code 95421 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 95421

Neighboring ZIP codes

  1. 95421 30% Very High · this area
  2. 95412 20% Very High
  3. 95430 51% High
  4. 95441 78% Very High
  5. 95446 18% Very High
  6. 95448 44% Very High
  7. 95450 55% High · 1% Very High
  8. 95462 6% Very High
  9. 95465 29% High · 2% Very High
  10. 95480 71% High
  11. 95497 6% Very High