Muscoy

Community in San Bernardino County

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Report created October 27, 2026 at www.firezones.info/community/50132/muscoy

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    29% High

    Most of the High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    7% has burned

    Most recently the 2013 Grey Fire, which burned 12 acres here, one of 2 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    21% 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.

Land by 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 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. 1967 State Highway #11 Fire Of 749 acres in all 129 acres
  2. 2013 Grey Fire 12 acres

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

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 Muscoy

Neighboring communities

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