ZIP code 95573

Humboldt County, including Willow Creek

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Report created October 31, 2026 at www.firezones.org/zip/95573

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 26,610 acres · State Responsibility Area 34%
    2. High 932 acres · State Responsibility Area 1%
    3. Not mapped by CAL FIRE 49,696 acres · Mostly federal land 64%

    77,238 acres of land in all, 27,542 of it in the State Responsibility Area. 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 61 fires that burned here

    1. 2022 Ammon Fire 11,458 acres here
    2. 2008 Hell's Half Fire 15,130 acres in total · Cause: Lightning 5,325 acres here
    3. 2022 Campbell Fire 30,133 acres in total 3,673 acres here
    4. 1951 Three Creeks Fire 3,094 acres in total 2,817 acres here
    5. 2021 Knob Fire 2,418 acres here
    6. 2024 Hill Fire 7,224 acres in total · Cause: Lightning 1,590 acres here
    7. 2023 Lone Pine Fire 1,685 acres in total · Cause: Lightning 1,101 acres here
    8. 1955 Hannegan Fire Cause: Equipment use 810 acres here
    9. 2003 Friday Fire Cause: Equipment use 388 acres here
    10. 1955 Gregg Fire Cause: Smoking 388 acres here

    And 51 smaller fires. The most recent was the 2024 Hill Fire, which burned 1,590 acres here. In all, 30,222 acres of ZIP code 95573 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 95573

Neighboring ZIP codes

  1. 95573 34% Very High · this area
  2. 95525 17% Very High
  3. 95527 6% Very High
  4. 95546 25% Very High
  5. 95563 14% 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