ZIP code 93405

San Luis Obispo County, including San Luis Obispo, Avila Beach and California Polytechnic State University

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Report created October 27, 2026 at www.firezones.info/zip/93405

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    41% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    16% has burned

    Most recently the 2025 Gilardi Fire, which burned 2 acres here, one of 34 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    21% 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.

Land by hazard class

  1. Very High 23,389 acres · 21,658 state, 1,731 local 41%
  2. High 12,574 acres · 11,836 state, 739 local 22%
  3. Moderate 17,687 acres · 16,868 state, 820 local 31%
  4. Non-wildland 1,204 acres · Local Responsibility Area 2%
  5. Not mapped by CAL FIRE 2,674 acres · Mostly federal land 5%

57,529 acres of land in all, 50,361 in the State Responsibility Area and 4,494 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. 1994 Hwy 41 Fire Of 50,729 acres in all · Cause: Arson 7,892 acres
  2. 1941 Unnamed fire Cause: Miscellaneous 609 acres
  3. 1931 Unnamed fire 536 acres
  4. 1939 Unnamed fire Of 6,506 acres in all · Cause: Miscellaneous 493 acres
  5. 1913 Unnamed fire Of 588 acres in all · Cause: Miscellaneous 443 acres
  6. 1985 El Chorro Fire 336 acres
  7. 1984 Swift Le-7 Fire Of 426 acres in all 312 acres
  8. 2017 Camp Fire Cause: Miscellaneous 254 acres
  9. 1922 Unnamed fire Of 12,545 acres in all · Cause: Miscellaneous 127 acres
  10. 1929 Unnamed fire Of 245 acres in all 105 acres

And 24 smaller fires. In all, 9,085 acres of ZIP code 93405 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

Neighboring ZIP codes

  1. 93405 41% Very High · this area
  2. 93401 30% Very High
  3. 93402 70% Very High
  4. 93407 44% High
  5. 93408 99% Moderate
  6. 93409 >99% Moderate · <1% High
  7. 93410 89% High
  8. 93424 46% Very High
  9. 93442 8% Very High
  10. 93449 54% Very High
  11. 93453 23% Very High