ZIP code 92336

San Bernardino County, including Fontana and Rialto

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Report created October 31, 2026 at www.firezones.org/zip/92336

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 1,387 acres · 27 state, 1,360 local 11%
    2. High 972 acres · Local Responsibility Area 8%
    3. Moderate 335 acres · Local Responsibility Area 3%
    4. Non-wildland 10,029 acres · Local Responsibility Area 79%
    5. Not mapped by CAL FIRE 2 acres · Mostly federal land <1%

    12,725 acres of land in all, 27 in the State Responsibility Area and 12,696 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 23 fires that burned here

    1. 1988 Texas Fire 12,096 acres in total · Cause: Arson 1,972 acres here
    2. 1988 Unnamed fire 5,244 acres in total 1,836 acres here
    3. 1970 Unnamed fire 37,472 acres in total · Cause: Miscellaneous 1,019 acres here
    4. 2003 Grand Prix Fire 50,618 acres in total · Cause: Arson 841 acres here
    5. 1980 Summit Fire 4,368 acres in total 622 acres here
    6. 1979 Sierra Series Fire 1,838 acres in total 597 acres here
    7. 1911 Unnamed fire 356 acres here
    8. 1979 Sierra Fire 243 acres in total 223 acres here
    9. 1967 Fpd #49 Fire 462 acres in total 188 acres here
    10. 1967 County Roads #15 Fire 453 acres in total 144 acres here

    And 13 smaller fires. The most recent was the 2021 South Fire, which burned 82 acres here. In all, 3,415 acres of ZIP code 92336 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 92336

Neighboring ZIP codes

  1. 92336 11% Very High · this area
  2. 91739 36% Very High
  3. 92335 No hazard zones
  4. 92358 7% Very High
  5. 92376 3% High
  6. 92377 28% High · <1% Very High
  7. 92407 28% Very 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