ZIP code 92313

San Bernardino County, including Grand Terrace and Colton

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Report created October 27, 2026 at www.firezones.info/zip/92313

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    28% 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.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    29% has burned

    Most recently the 1995 Wick Fire, which burned 17 acres here, one of 5 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    33% Elevated · 1% 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 643 acres · Local Responsibility Area 28%
  2. High 108 acres · Local Responsibility Area 5%
  3. Moderate 97 acres · Local Responsibility Area 4%
  4. Non-wildland 1,443 acres · Local Responsibility Area 63%

2,290 acres of land in all, 2,290 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

Fires that burned here

  1. 1981 Colton Fire Of 4,051 acres in all · Cause: Miscellaneous 669 acres
  2. 1969 Blue Mountain Fire Of 463 acres in all 106 acres
  3. 1980 Blue Fire Of 246 acres in all 32 acres
  4. 1986 Unnamed fire Of 383 acres in all 24 acres
  5. 1995 Wick Fire Of 453 acres in all 17 acres

In all, 669 acres of ZIP code 92313 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 92313

Neighboring ZIP codes

  1. 92313 28% Very High · this area
  2. 92324 48% Very High
  3. 92501 22% Moderate
  4. 92507 46% Very High