ZIP code 93453

San Luis Obispo County, including Santa Margarita

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Report created October 27, 2026 at www.firezones.info/zip/93453

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    23% 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

    54% has burned

    Most recently the 2025 Gifford Fire, which burned 12,749 acres here, one of 194 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    14% 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 99,917 acres · State Responsibility Area 23%
  2. High 180,235 acres · State Responsibility Area 41%
  3. Moderate 5,128 acres · 5,128 state, <1 local 1%
  4. Not mapped by CAL FIRE 158,181 acres · Mostly federal land 36%

443,461 acres of land in all, 285,280 in the State Responsibility Area and <1 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. 1996 Highway 58 Fire Of 106,970 acres in all · Cause: Miscellaneous 74,506 acres
  2. 2025 Madre Fire Of 80,779 acres in all 41,981 acres
  3. 1921 Unnamed fire Of 63,910 acres in all · Cause: Miscellaneous 39,133 acres
  4. 1985 Las Pilitas Fire Of 84,271 acres in all · Cause: Equipment use 34,346 acres
  5. 1994 Hwy 41 Fire Of 50,729 acres in all · Cause: Arson 20,980 acres
  6. 1951 Bethel Fire Cause: Miscellaneous 18,250 acres
  7. 1928 Unnamed fire Cause: Miscellaneous 18,128 acres
  8. 1950 Pilitas #1 Fire Of 22,845 acres in all 14,509 acres
  9. 1939 Unnamed fire Of 28,314 acres in all · Cause: Miscellaneous 13,058 acres
  10. 2025 Gifford Fire Of 131,614 acres in all 12,749 acres

And 184 smaller fires. 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

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 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