ZIP code 92352

San Bernardino County, including Lake Arrowhead

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Report created October 27, 2026 at www.firezones.info/zip/92352

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    57% 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 2007 Grass Valley Fire, which burned 524 acres here, one of 15 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    93% 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 4,655 acres · State Responsibility Area 57%
  2. High 28 acres · State Responsibility Area <1%
  3. Not mapped by CAL FIRE 3,452 acres · Mostly federal land 42%

8,134 acres of land in all, 4,682 of it in the State Responsibility Area. 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. 2003 Old Fire Of 91,428 acres in all · Cause: Arson 2,347 acres
  2. 1911 Unnamed fire Of 17,062 acres in all 1,577 acres
  3. 1951 Little Bear Fire Of 3,852 acres in all 1,500 acres
  4. 2007 Grass Valley Fire Of 1,242 acres in all · Cause: Miscellaneous 524 acres
  5. 1922 Unnamed fire Of 19,326 acres in all 514 acres
  6. 1999 Willow Fire Of 63,508 acres in all · Cause: Campfire 216 acres
  7. 1996 Rouse 2 Fire 141 acres
  8. 1996 Rouse 1 Fire 73 acres
  9. 1995 Rouse Fire Of 1,151 acres in all · Cause: Campfire 60 acres
  10. 1956 Mckinley Fire Of 10,698 acres in all 57 acres

And 5 smaller fires. In all, 4,353 acres of ZIP code 92352 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 92352

Neighboring ZIP codes

  1. 92352 57% Very High · this area
  2. 92317 77% Very High
  3. 92321 69% Very High
  4. 92325 61% Very High
  5. 92345 38% Very High
  6. 92378 40% Very High
  7. 92385 12% Very High
  8. 92391 82% Very High
  9. 92404 19% Very High