ZIP code 96017

Shasta County, including Castella

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Report created October 31, 2026 at www.firezones.org/zip/96017

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 33,867 acres · State Responsibility Area 57%
    2. Not mapped by CAL FIRE 26,034 acres · Mostly federal land 43%

    59,901 acres of land in all, 33,867 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 13 fires that burned here

    1. 2018 Hirz Fire 40,608 acres in total · Cause: Miscellaneous 6,340 acres here
    2. 1924 Unnamed fire Cause: Lightning 3,643 acres here
    3. 1924 Unnamed fire 3,334 acres in total · Cause: Miscellaneous 1,879 acres here
    4. 1934 Unnamed fire Cause: Miscellaneous 774 acres here
    5. 1924 Unnamed fire Cause: Miscellaneous 632 acres here
    6. 2012 Ward Fire Cause: Miscellaneous 551 acres here
    7. 1934 Unnamed fire 156 acres here
    8. 1931 Unnamed fire Cause: Miscellaneous 155 acres here
    9. 2018 Delta Fire 63,506 acres in total · Cause: Miscellaneous 134 acres here
    10. 1945 Unnamed fire Cause: Lightning 97 acres here

    And 3 smaller fires. The most recent was the 2018 Delta Fire, which burned 134 acres here. In all, 10,425 acres of ZIP code 96017 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 96017

Neighboring ZIP codes

  1. 96017 57% Very High · this area
  2. 96025 56% Very High
  3. 96051 32% Very High
  4. 96057 63% 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