ZIP code 95511

Humboldt County, including Alderpoint

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Report created October 27, 2026 at www.firezones.info/zip/95511

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    90% Very High

    All of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    12% has burned

    Most recently the 2025 Bridge Fire, which burned 417 acres here, one of 8 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    67% 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.

Land by hazard class

  1. Very High 24,012 acres · State Responsibility Area 90%
  2. High 2,442 acres · State Responsibility Area 9%
  3. Not mapped by CAL FIRE 94 acres · Mostly federal land <1%

26,548 acres of land in all, 26,454 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

Fires that burned here

  1. 1954 Capital Lumber Co. Fire Of 1,424 acres in all 1,160 acres
  2. 2015 Steelhead 1-54 Fire Of 1,403 acres in all · Cause: Lightning 1,051 acres
  3. 2025 Bridge Fire Cause: Vehicle 417 acres
  4. 1931 Jeans Ranch Fire Of 239 acres in all · Cause: Miscellaneous 236 acres
  5. 1965 Stewart Fire Of 660 acres in all 103 acres
  6. 2008 Stewart Fire Of 169 acres in all · Cause: Power lines 86 acres
  7. 2006 Casterlin Fire Cause: Power lines 34 acres
  8. 2015 Dobbyn 1-57 Fire Of 787 acres in all · Cause: Lightning 25 acres

In all, 3,101 acres of ZIP code 95511 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 95511

Neighboring ZIP codes

  1. 95511 90% Very High · this area
  2. 95514 81% Very High
  3. 95542 31% Very High
  4. 95595 29% Very High