Fairfield

City in Solano County

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Report created October 27, 2026 at www.firezones.info/community/23182/fairfield

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    21% High

    Most of the High land is in the Local Responsibility Area, where the City of Fairfield adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    3% has burned

    Most recently the 2020 Hennessey Fire, which burned 195 acres here, one of 9 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    7% 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. High 5,706 acres · 11 state, 5,695 local 21%
  2. Moderate 4,136 acres · 2 state, 4,134 local 15%
  3. Non-wildland 12,010 acres · Local Responsibility Area 45%
  4. Not mapped by CAL FIRE 4,945 acres · Mostly federal land 18%

26,798 acres of land in all, 13 in the State Responsibility Area and 21,839 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. 2020 Hennessey Fire Of 305,352 acres in all · Cause: Lightning 195 acres
  2. 1992 Cement Fire Of 1,221 acres in all 167 acres
  3. 1983 Cleek Fire Of 220 acres in all · Cause: Arson 160 acres
  4. 1972 Cement Hill Fire Of 1,724 acres in all 138 acres
  5. 2018 Nelson Fire Of 2,158 acres in all · Cause: Miscellaneous 102 acres
  6. 2004 Cement Fire Of 1,007 acres in all 73 acres
  7. 2006 Fairfield Fire Cause: Miscellaneous 55 acres
  8. 2011 Beacon Fire Of 703 acres in all · Cause: Arson 54 acres
  9. 1985 Jameson Fire Of 873 acres in all 46 acres

In all, 804 acres of Fairfield 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

ZIP codes in Fairfield

Neighboring communities

  1. Fairfield 21% High · this area
  2. Green Valley 14% Very High
  3. Suisun City 10% High
  4. Vacaville 14% High · <1% Very High