ZIP code 95446

Sonoma County, including Guerneville

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Report created October 31, 2026 at www.firezones.org/zip/95446

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 3,513 acres · State Responsibility Area 18%
    2. High 16,013 acres · State Responsibility Area 80%
    3. Moderate 450 acres · State Responsibility Area 2%
    4. Not mapped by CAL FIRE 1 acre · Mostly federal land <1%

    19,978 acres of land in all, 19,977 of it in the State Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since April 1, 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

  • Fire history

    Fires CAL FIRE has recorded here

    1. 2020 Walbridge Fire 55,209 acres in total · Cause: Lightning 6,425 acres here
    2. 1961 Roadside #44 Fire 5,968 acres in total 3,063 acres here
    3. 1959 Mccray Ridge Fire 1,226 acres in total 991 acres here
    4. 1946 Unnamed fire 629 acres in total 584 acres here
    5. 1945 Unnamed fire 348 acres here
    6. 2011 Old Fire Cause: Miscellaneous 29 acres here
    7. 2007 Armstrong Fire Cause: Arson 24 acres here
    8. 1944 Unnamed fire 1,876 acres in total 23 acres here
    9. 1955 Palmer Creek Fire 1,400 acres in total 3 acres here

    The most recent was the 2020 Walbridge Fire, which burned 6,425 acres here. In all, 9,509 acres of ZIP code 95446 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

Nearby areas

Communities in ZIP code 95446

Neighboring ZIP codes

  1. 95446 18% Very High · this area
  2. 95421 30% Very High
  3. 95430 51% High
  4. 95436 48% High · 4% Very High
  5. 95448 44% Very High
  6. 95462 6% Very High
  7. 95465 29% High · 2% Very High
  8. 95471 96% High · 4% Very High
  9. 95472 18% High · <1% Very High
  10. 95486 100% High

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 2026

This site is independent and not affiliated with CAL FIRE, so for an official determination, check with the agency or your city or county. How we read the data