ZIP code 93432

San Luis Obispo County, including Creston

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Report created October 27, 2026 at www.firezones.info/zip/93432

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    43% 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

    63% has burned

    Most recently the 2022 Wilson Fire, which burned 1 acre here, one of 44 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    12% Extreme

    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 23,405 acres · State Responsibility Area 43%
  2. High 29,456 acres · State Responsibility Area 54%
  3. Moderate 816 acres · 808 state, 8 local 2%
  4. Not mapped by CAL FIRE 607 acres · Mostly federal land 1%

54,284 acres of land in all, 53,669 in the State Responsibility Area and 8 in the Local. 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. 1921 Unnamed fire Of 63,910 acres in all · Cause: Miscellaneous 24,436 acres
  2. 1950 Pilitas #1 Fire Of 22,845 acres in all 8,341 acres
  3. 1996 Highway 58 Fire Of 106,970 acres in all · Cause: Miscellaneous 6,511 acres
  4. 1989 Chispa Fire Of 9,750 acres in all 4,160 acres
  5. 1950 Pilitas #3 Fire Of 5,697 acres in all 2,937 acres
  6. 1942 Unnamed fire Cause: Miscellaneous 1,942 acres
  7. 1950 Pilitas #2 Fire Of 2,830 acres in all 1,537 acres
  8. 2003 Parkhill Fire Of 1,197 acres in all · Cause: Vehicle 1,022 acres
  9. 1954 Heilman Fire 818 acres
  10. 1955 Iron Springs Fire 813 acres

And 34 smaller fires. In all, 34,354 acres of ZIP code 93432 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 93432

Neighboring ZIP codes

  1. 93432 43% Very High · this area
  2. 93422 37% Very High
  3. 93446 42% Very High
  4. 93453 23% Very High
  5. 93461 10% Very High
  6. 93465 22% Very High