Muscoy

Community in San Bernardino County

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Report created October 31, 2026 at www.firezones.org/community/50132/muscoy

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. High 570 acres · 323 state, 247 local 29%
    2. Moderate 116 acres · 32 state, 84 local 6%
    3. Non-wildland 1,258 acres · Local Responsibility Area 65%

    1,944 acres of land in all, 354 in the State Responsibility Area and 1,590 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

    Fires CAL FIRE has recorded here

    1. 1967 State Highway #11 Fire 749 acres in total 129 acres here
    2. 2013 Grey Fire 12 acres here

    The most recent was the 2013 Grey Fire, which burned 12 acres here. In all, 129 acres of Muscoy 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

ZIP codes in Muscoy

Neighboring communities

  1. Muscoy 29% High · this area
  2. Rialto 14% High · <1% Very High
  3. San Bernardino 29% 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