ZIP code 93428

San Luis Obispo County, including Cambria

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Report created October 27, 2026 at www.firezones.info/zip/93428

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    12% 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

    6% has burned

    Most recently the 2023 Valley Fire, which burned 9 acres here, one of 8 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    88% Elevated · 4% 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 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 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. 1960 Weferling Fire Of 51,451 acres in all 2,219 acres
  2. 1982 Phelan Fire 711 acres
  3. 2000 Cypress Fire Of 180 acres in all 45 acres
  4. 2022 Rosa Fire Cause: Miscellaneous 16 acres
  5. 2023 Valley Fire Of 10 acres in all · Cause: Equipment use 9 acres
  6. 2020 Green Fire Cause: Vehicle 6 acres
  7. 2023 Green Fire 5 acres
  8. 2016 Chimney Fire Of 46,234 acres in all · Cause: Vehicle 5 acres

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

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 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