ZIP code 92346

San Bernardino County, including Highland, San Bernardino and Redlands

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Report created October 27, 2026 at www.firezones.info/zip/92346

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    24% Very High

    Most of the Very High land is in the Local Responsibility Area, where each city or county adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    47% has burned

    Most recently the 2024 Line Fire, which burned 3,580 acres here, one of 49 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    30% 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 4,149 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 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 6,031 acres
  2. 1956 East Highland Fire Of 14,444 acres in all 5,490 acres
  3. 2024 Line Fire Of 43,976 acres in all 3,580 acres
  4. 1980 Sycamore Fire Of 3,479 acres in all 3,384 acres
  5. 1970 Bear Fire Of 51,655 acres in all · Cause: Campfire 2,990 acres
  6. 1927 Unnamed fire Of 9,517 acres in all 1,280 acres
  7. 1960 Mckinley Fire Of 1,781 acres in all 1,176 acres
  8. 1979 Shadow Fire Of 2,601 acres in all · Cause: Equipment use 1,008 acres
  9. 1941 Unnamed fire Of 2,178 acres in all 838 acres
  10. 1906 Unnamed fire Of 2,353 acres in all 790 acres

And 39 smaller fires. 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

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 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