ZIP code 92378

San Bernardino County, including Lake Arrowhead

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Report created October 31, 2026 at www.firezones.org/zip/92378

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 204 acres · State Responsibility Area 40%
    2. Not mapped by CAL FIRE 309 acres · Mostly federal land 60%

    513 acres of land in all, 204 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. 1911 Unnamed fire 17,062 acres in total 513 acres here
    2. 1938 Unnamed fire 12,493 acres in total 339 acres here
    3. 2003 Old Fire 91,428 acres in total · Cause: Arson 219 acres here
    4. 1953 Unnamed fire 491 acres in total 92 acres here
    5. 1980 Panorama Fire 23,626 acres in total 82 acres here
    6. 1953 Arrowhead Springs Fire 3,105 acres in total 3 acres here

    The most recent was the 2003 Old Fire, which burned 219 acres here. In all, 513 acres of ZIP code 92378 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 92378

Neighboring ZIP codes

  1. 92378 40% Very High · this area
  2. 92317 77% Very High
  3. 92325 61% Very High
  4. 92352 57% Very High
  5. 92385 12% Very High
  6. 92391 82% Very High
  7. 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