ZIP code 94534

Solano County, including Fairfield and Green Valley

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Report created October 31, 2026 at www.firezones.org/zip/94534

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 4,816 acres · 4,447 state, 369 local 10%
    2. High 15,673 acres · 11,915 state, 3,758 local 31%
    3. Moderate 10,877 acres · 6,503 state, 4,374 local 22%
    4. Non-wildland 19,052 acres · Local Responsibility Area 38%
    5. Not mapped by CAL FIRE 14 acres · Mostly federal land <1%

    50,432 acres of land in all, 22,865 in the State Responsibility Area and 27,553 in the Local. 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

    The 10 largest of 17 fires that burned here

    1. 2017 Atlas Fire 51,625 acres in total 6,249 acres here
    2. 1964 Roadside #42 Fire 8,957 acres in total 3,622 acres here
    3. 2008 Wild Fire 4,102 acres in total 3,367 acres here
    4. 2020 Hennessey Fire 305,352 acres in total · Cause: Lightning 2,367 acres here
    5. 1963 Roadside #45 Fire 1,895 acres here
    6. 1953 L. Anderson Fire 416 acres here
    7. 1985 Jameson Fire 873 acres in total 389 acres here
    8. 1959 M. Lynch Fire 364 acres in total 215 acres here
    9. 2005 Gordon Fire 194 acres in total · Cause: Miscellaneous 185 acres here
    10. 1983 Cleek Fire 220 acres in total · Cause: Arson 175 acres here

    And 7 smaller fires. The most recent was the 2021 I-80 Lynch Fire, which burned 1 acre here. In all, 11,576 acres of ZIP code 94534 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 94534

Neighboring ZIP codes

  1. 94534 10% Very High · this area
  2. 94503 17% High
  3. 94510 49% Moderate
  4. 94533 31% High · <1% Very High
  5. 94558 56% Very High
  6. 94559 34% High · 1% Very High
  7. 94585 48% High · <1% Very High
  8. 94591 53% Moderate
  9. 95687 25% High · <1% Very High
  10. 95688 41% Very 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