ZIP code 92321

San Bernardino County, including Lake Arrowhead

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Report created October 31, 2026 at www.firezones.org/zip/92321

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 3,184 acres · State Responsibility Area 69%
    2. Not mapped by CAL FIRE 1,407 acres · Mostly federal land 31%

    4,591 acres of land in all, 3,184 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. 2003 Old Fire 91,428 acres in total · Cause: Arson 3,259 acres here
    2. 1922 Unnamed fire 19,326 acres in total 2,481 acres here
    3. 1956 Mckinley Fire 10,698 acres in total 2,030 acres here
    4. 2007 Slide Fire 12,769 acres in total · Cause: Miscellaneous 466 acres here
    5. 1906 Unnamed fire 229 acres here
    6. 1911 Unnamed fire 17,062 acres in total 134 acres here
    7. 1963 Unnamed fire 73 acres in total 72 acres here
    8. 1991 Unnamed fire 216 acres in total 16 acres here
    9. 1956 Unnamed fire 23 acres in total 13 acres here
    10. 1956 Unnamed fire 21 acres in total 8 acres here

    The most recent was the 2007 Slide Fire, which burned 466 acres here. In all, 4,056 acres of ZIP code 92321 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 92321

Neighboring ZIP codes

  1. 92321 69% Very High · this area
  2. 92341 8% Very High
  3. 92352 57% Very High
  4. 92382 34% Very High
  5. 92385 12% Very High
  6. 92404 19% 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