ZIP code 94534

Solano County, including Fairfield and Green Valley

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Report created October 27, 2026 at www.firezones.info/zip/94534

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    10% Very High

    Most 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

    23% has burned

    Most recently the 2021 I-80 Lynch Fire, which burned 1 acre here, one of 17 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    35% 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.

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

And 7 smaller fires. 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

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 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