Reliez Valley

Community in Contra Costa County

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Report created October 31, 2026 at www.firezones.org/community/60279/reliez-valley

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    Map
    1. High 972 acres · 753 state, 219 local 64%
    2. Moderate 200 acres · 1 state, 199 local 13%
    3. Non-wildland 337 acres · Local Responsibility Area 22%

    1,509 acres of land in all, 754 in the State Responsibility Area and 755 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

    No recorded fires

    CAL FIRE has no record of a fire that burned an acre or more here.

    Map

Nearby areas

ZIP codes in Reliez Valley

Neighboring communities

  1. Reliez Valley 64% High · this area
  2. Acalanes Ridge 6% Moderate
  3. Alhambra Valley >99% High
  4. Lafayette 55% High · <1% Very High
  5. Martinez 23% High
  6. Pleasant Hill 9% Moderate · 2% High
  7. Walnut Creek 28% 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