ZIP code 93453

San Luis Obispo County, including Santa Margarita

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Report created October 31, 2026 at www.firezones.org/zip/93453

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 99,917 acres · State Responsibility Area 23%
    2. High 180,235 acres · State Responsibility Area 41%
    3. Moderate 5,128 acres · State Responsibility Area 1%
    4. Not mapped by CAL FIRE 158,181 acres · Mostly federal land 36%

    443,461 acres of land in all, 285,280 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 194 fires that burned here

    1. 1996 Highway 58 Fire 106,970 acres in total · Cause: Miscellaneous 74,506 acres here
    2. 2025 Madre Fire 80,779 acres in total 41,981 acres here
    3. 1921 Unnamed fire 63,910 acres in total · Cause: Miscellaneous 39,133 acres here
    4. 1985 Las Pilitas Fire 84,271 acres in total · Cause: Equipment use 34,346 acres here
    5. 1994 Hwy 41 Fire 50,729 acres in total · Cause: Arson 20,980 acres here
    6. 1951 Bethel Fire Cause: Miscellaneous 18,250 acres here
    7. 1928 Unnamed fire Cause: Miscellaneous 18,128 acres here
    8. 1950 Pilitas #1 Fire 22,845 acres in total 14,509 acres here
    9. 1939 Unnamed fire 28,314 acres in total · Cause: Miscellaneous 13,058 acres here
    10. 2025 Gifford Fire 131,614 acres in total 12,749 acres here

    And 184 smaller fires. The most recent was the 2025 Gifford Fire, which burned 12,749 acres here. In all, 241,649 acres of ZIP code 93453 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 93453

Neighboring ZIP codes

  1. 93453 23% Very High · this area
  2. 93254 27% Very High
  3. 93401 30% Very High
  4. 93405 41% Very High
  5. 93420 43% Very High
  6. 93422 37% Very High
  7. 93432 43% Very High
  8. 93442 8% Very High
  9. 93461 10% 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