ZIP code 95987

Colusa County, including Williams

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Report created October 27, 2026 at www.firezones.info/zip/95987

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    40% 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

    26% has burned

    Most recently the 2024 Ridge Fire, which burned 1,661 acres here, one of 51 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    47% 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 80,820 acres · State Responsibility Area 40%
  2. High 35,704 acres · 34,336 state, 1,368 local 18%
  3. Moderate 1,759 acres · 1,251 state, 508 local 1%
  4. Non-wildland 69,021 acres · Local Responsibility Area 34%
  5. Not mapped by CAL FIRE 15,594 acres · Mostly federal land 8%

202,897 acres of land in all, 116,407 in the State Responsibility Area and 70,896 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. 2012 Sixteen Complex Of 17,942 acres in all · Cause: Arson 17,689 acres
  2. 1966 Cortina Ridge Fire 16,323 acres
  3. 1998 Middle Fire Of 5,993 acres in all · Cause: Equipment use 4,204 acres
  4. 2008 Walker Fire Of 11,173 acres in all · Cause: Vehicle 3,884 acres
  5. 1961 Roadside #1 Fire 3,621 acres
  6. 2012 Walker Fire Of 5,103 acres in all 3,496 acres
  7. 1954 Lightning #5 Fire 2,129 acres
  8. 1972 Jackson Fire 1,958 acres
  9. 1968 Grant Fire 1,862 acres
  10. 1992 Lightning No. 1 Fire Of 2,928 acres in all · Cause: Equipment use 1,820 acres

And 41 smaller fires. In all, 52,407 acres of ZIP code 95987 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 95987

Neighboring ZIP codes

  1. 95987 40% Very High · this area
  2. 95423 51% Very High
  3. 95607 71% Very High
  4. 95679 73% Very High
  5. 95912 19% Very High
  6. 95932 No hazard zones
  7. 95955 7% Very High
  8. 95979 42% Very High