ZIP code 95558

Humboldt County

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Report created October 27, 2026 at www.firezones.info/zip/95558

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    25% 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

    27% has burned

    Most recently the 2018 School Fire, which burned 8 acres here, one of 28 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    99% 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 26,845 acres · State Responsibility Area 25%
  2. High 52,867 acres · State Responsibility Area 49%
  3. Moderate 17,820 acres · State Responsibility Area 17%
  4. Not mapped by CAL FIRE 10,415 acres · Mostly federal land 10%

107,948 acres of land in all, 97,532 of it in the State Responsibility Area. 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. 1964 Mattole Fire Of 16,493 acres in all 12,439 acres
  2. 1960 Beatty Escape Fire 5,692 acres
  3. 1990 Mattole Fire Of 4,876 acres in all 4,173 acres
  4. 1950 Edward Helm Fire Of 5,047 acres in all 3,539 acres
  5. 1990 Rainbow Fire Of 2,758 acres in all 2,108 acres
  6. 1955 C. Gardner Fire 1,759 acres
  7. 1950 T.k. Clark Fire 1,610 acres
  8. 1958 Dan Hunter Fire 1,041 acres
  9. 1977 Lightning Series #2 Fire 937 acres
  10. 1970 Miner Fire 747 acres

And 18 smaller fires. In all, 29,412 acres of ZIP code 95558 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

Neighboring ZIP codes

  1. 95558 25% Very High · this area
  2. 95536 19% High · <1% Very High
  3. 95545 8% Very High
  4. 95562 76% High