ZIP code 92345

San Bernardino County, including Hesperia

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Report created October 27, 2026 at www.firezones.info/zip/92345

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    38% 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

    50% has burned

    Most recently the 2025 Lake Fire, which burned 430 acres here, one of 45 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    32% 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 24,437 acres · 11,878 state, 12,559 local 38%
  2. High 3,613 acres · 331 state, 3,282 local 6%
  3. Moderate 2,879 acres · 40 state, 2,839 local 4%
  4. Non-wildland 20,713 acres · Local Responsibility Area 32%
  5. Not mapped by CAL FIRE 12,532 acres · Mostly federal land 20%

64,175 acres of land in all, 12,250 in the State Responsibility Area and 39,393 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 16,423 acres
  2. 1924 Unnamed fire Of 15,848 acres in all 9,491 acres
  3. 1959 Stable Fire Of 11,981 acres in all 4,849 acres
  4. 2007 Los Flores Fire Cause: Lightning 4,100 acres
  5. 2016 Pilot Fire Of 8,111 acres in all · Cause: Vehicle 4,050 acres
  6. 1964 Cozy Dell Fire Of 19,218 acres in all 3,871 acres
  7. 1969 Pilot Fire Of 1,880 acres in all 1,853 acres
  8. 1983 Summit Fire 1,437 acres
  9. 1979 Hesperia Fire 1,432 acres
  10. 1919 Unnamed fire Of 2,243 acres in all 1,367 acres

And 35 smaller fires. In all, 32,168 acres of ZIP code 92345 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 92345

Neighboring ZIP codes

  1. 92345 38% Very High · this area
  2. 92308 10% Very High
  3. 92317 77% Very High
  4. 92322 67% Very High
  5. 92325 61% Very High
  6. 92344 51% Very High
  7. 92352 57% Very High
  8. 92391 82% Very High
  9. 92392 6% High
  10. 92395 11% High
  11. 92407 28% Very High