ZIP code 93428

San Luis Obispo County, including Cambria

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Report created October 31, 2026 at www.firezones.org/zip/93428

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 5,966 acres · State Responsibility Area 12%
    2. High 31,112 acres · State Responsibility Area 63%
    3. Moderate 11,802 acres · State Responsibility Area 24%
    4. Not mapped by CAL FIRE 464 acres · Mostly federal land 1%

    49,343 acres of land in all, 48,879 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

    Fires CAL FIRE has recorded here

    1. 1960 Weferling Fire 51,451 acres in total 2,219 acres here
    2. 1982 Phelan Fire 711 acres here
    3. 2000 Cypress Fire 180 acres in total 45 acres here
    4. 2022 Rosa Fire Cause: Miscellaneous 16 acres here
    5. 2023 Valley Fire 10 acres in total · Cause: Equipment use 9 acres here
    6. 2020 Green Fire Cause: Vehicle 6 acres here
    7. 2023 Green Fire 5 acres here
    8. 2016 Chimney Fire 46,234 acres in total · Cause: Vehicle 5 acres here

    The most recent was the 2023 Valley Fire, which burned 9 acres here. In all, 3,012 acres of ZIP code 93428 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 93428

Neighboring ZIP codes

  1. 93428 12% Very High · this area
  2. 93430 44% High · 2% Very High
  3. 93446 42% Very High
  4. 93452 32% Very High
  5. 93465 22% 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