ZIP code 95987

Colusa County, including Williams

Search for an address

Report created October 31, 2026 at www.firezones.org/zip/95987

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE 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 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 51 fires that burned here

    1. 2012 Sixteen Complex 17,942 acres in total · Cause: Arson 17,689 acres here
    2. 1966 Cortina Ridge Fire 16,323 acres here
    3. 1998 Middle Fire 5,993 acres in total · Cause: Equipment use 4,204 acres here
    4. 2008 Walker Fire 11,173 acres in total · Cause: Vehicle 3,884 acres here
    5. 1961 Roadside #1 Fire 3,621 acres here
    6. 2012 Walker Fire 5,103 acres in total 3,496 acres here
    7. 1954 Lightning #5 Fire 2,129 acres here
    8. 1972 Jackson Fire 1,958 acres here
    9. 1968 Grant Fire 1,862 acres here
    10. 1992 Lightning No. 1 Fire 2,928 acres in total · Cause: Equipment use 1,820 acres here

    And 41 smaller fires. The most recent was the 2024 Ridge Fire, which burned 1,661 acres here. 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

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

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