San Bernardino

City in San Bernardino County

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Report created October 27, 2026 at www.firezones.info/community/65000/san-bernardino

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    29% Very High

    Most of the Very High land is in the Local Responsibility Area, where the City of San Bernardino adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    35% has burned

    Most recently the 2024 Line Fire, which burned 299 acres here, one of 107 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    17% 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 11,519 acres · 362 state, 11,157 local 29%
  2. High 3,799 acres · 1 state, 3,798 local 9%
  3. Moderate 1,368 acres · 2 state, 1,366 local 3%
  4. Non-wildland 22,647 acres · Local Responsibility Area 56%
  5. Not mapped by CAL FIRE 999 acres · Mostly federal land 2%

40,332 acres of land in all, 365 in the State Responsibility Area and 38,968 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 9,234 acres
  2. 1980 Panorama Fire Of 23,626 acres in all 6,669 acres
  3. 1922 Unnamed fire Of 19,326 acres in all 2,757 acres
  4. 1938 Unnamed fire Of 12,493 acres in all 2,146 acres
  5. 1956 East Highland Fire Of 14,444 acres in all 1,909 acres
  6. 1923 Unnamed fire Of 1,241 acres in all 977 acres
  7. 1953 Arrowhead Springs Fire Of 3,105 acres in all 855 acres
  8. 1944 Unnamed fire Of 1,181 acres in all 810 acres
  9. 1954 Cable Canyon Fire Of 3,921 acres in all 806 acres
  10. 2002 Arrowhead Fire Of 2,579 acres in all · Cause: Miscellaneous 734 acres

And 97 smaller fires. In all, 13,946 acres of San Bernardino 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

ZIP codes in San Bernardino

Neighboring communities

  1. San Bernardino 29% Very High · this area
  2. Colton 14% Very High
  3. Crestline 60% Very High
  4. Highland 24% Very High
  5. Loma Linda 48% Very High
  6. Muscoy 29% High
  7. Redlands 34% Very High
  8. Rialto 14% High · <1% Very High