ZIP code 92346

San Bernardino County, including Highland, San Bernardino and Redlands

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Report created October 31, 2026 at www.firezones.org/zip/92346

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 4,149 acres · 285 state, 3,864 local 24%
    2. High 3,377 acres · Local Responsibility Area 19%
    3. Moderate 921 acres · Local Responsibility Area 5%
    4. Non-wildland 4,490 acres · Local Responsibility Area 26%
    5. Not mapped by CAL FIRE 4,467 acres · Mostly federal land 26%

    17,404 acres of land in all, 285 in the State Responsibility Area and 12,652 in the Local. 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

    The 10 largest of 49 fires that burned here

    1. 2003 Old Fire 91,428 acres in total · Cause: Arson 6,031 acres here
    2. 1956 East Highland Fire 14,444 acres in total 5,490 acres here
    3. 2024 Line Fire 43,976 acres in total 3,580 acres here
    4. 1980 Sycamore Fire 3,479 acres in total 3,384 acres here
    5. 1970 Bear Fire 51,655 acres in total · Cause: Campfire 2,990 acres here
    6. 1927 Unnamed fire 9,517 acres in total 1,280 acres here
    7. 1960 Mckinley Fire 1,781 acres in total 1,176 acres here
    8. 1979 Shadow Fire 2,601 acres in total · Cause: Equipment use 1,008 acres here
    9. 1941 Unnamed fire 2,178 acres in total 838 acres here
    10. 1906 Unnamed fire 2,353 acres in total 790 acres here

    And 39 smaller fires. The most recent was the 2024 Line Fire, which burned 3,580 acres here. In all, 8,188 acres of ZIP code 92346 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 92346

Neighboring ZIP codes

  1. 92346 24% Very High · this area
  2. 92359 36% Very High
  3. 92369 3% Moderate · 2% High
  4. 92374 17% Very High
  5. 92382 34% Very High
  6. 92404 19% Very High
  7. 92408 17% Very High
  8. 92410 3% 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