ZIP code 92337

San Bernardino County, including Fontana

Search for an address

Report created October 27, 2026 at www.firezones.info/zip/92337

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    27% Very High

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

    Open map

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    19% has burned

    Most recently the 2025 Pyrite Fire, which burned 61 acres here, one of 13 fires on record.

    Open map

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    23% Elevated

    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.

    Open map

Land by hazard class

  1. Very High 2,403 acres · Local Responsibility Area 27%
  2. High 258 acres · Local Responsibility Area 3%
  3. Moderate 263 acres · Local Responsibility Area 3%
  4. Non-wildland 5,844 acres · Local Responsibility Area 67%

8,768 acres of land in all, 8,768 of it in the Local Responsibility Area. 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. 1983 Scenic Fire Of 1,328 acres in all · Cause: Arson 828 acres
  2. 1996 Philadelphia Fire Of 1,835 acres in all 794 acres
  3. 1998 Sierra Fire Of 580 acres in all · Cause: Equipment use 503 acres
  4. 1974 Sunnyslope Fire Of 1,820 acres in all 475 acres
  5. 1958 Pole Line Fire Of 3,960 acres in all 434 acres
  6. 2010 Pedley Fire Of 717 acres in all · Cause: Equipment use 235 acres
  7. 1958 Southern Pacific #1 Fire Of 815 acres in all 227 acres
  8. 1980 Unnamed fire Of 379 acres in all 127 acres
  9. 1982 Pyrite Fire Of 517 acres in all · Cause: Miscellaneous 106 acres
  10. 2025 Pyrite Fire Of 98 acres in all 61 acres

And 3 smaller fires. In all, 1,658 acres of ZIP code 92337 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 92337

Neighboring ZIP codes

  1. 92337 27% Very High · this area
  2. 91752 7% Moderate · 1% Very High
  3. 91761 No hazard zones
  4. 91764 No hazard zones
  5. 92316 8% Very High
  6. 92335 No hazard zones
  7. 92509 30% Very High