ZIP code 96017

Shasta County, including Castella

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Report created October 27, 2026 at www.firezones.info/zip/96017

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    57% 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

    17% has burned

    Most recently the 2018 Delta Fire, which burned 134 acres here, one of 13 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    100% 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 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 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. 2018 Hirz Fire Of 40,608 acres in all · Cause: Miscellaneous 6,340 acres
  2. 1924 Unnamed fire Cause: Lightning 3,643 acres
  3. 1924 Unnamed fire Of 3,334 acres in all · Cause: Miscellaneous 1,879 acres
  4. 1934 Unnamed fire Cause: Miscellaneous 774 acres
  5. 1924 Unnamed fire Cause: Miscellaneous 632 acres
  6. 2012 Ward Fire Cause: Miscellaneous 551 acres
  7. 1934 Unnamed fire 156 acres
  8. 1931 Unnamed fire Cause: Miscellaneous 155 acres
  9. 2018 Delta Fire Of 63,506 acres in all · Cause: Miscellaneous 134 acres
  10. 1945 Unnamed fire Cause: Lightning 97 acres

And 3 smaller fires. 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

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 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