ZIP code 94520

Contra Costa County, including Concord, Bay Point, Clyde and others

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Report created October 27, 2026 at www.firezones.info/zip/94520

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    5% Moderate · 1% High

    Most of the Moderate 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

    <1% has burned

    The 2022 Willow Fire burned 8 acres here.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    11% 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.

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Land by hazard class

  1. High 93 acres · 93 state, <1 local 1%
  2. Moderate 289 acres · 135 state, 153 local 5%
  3. Non-wildland 4,909 acres · Local Responsibility Area 77%
  4. Not mapped by CAL FIRE 1,049 acres · Mostly federal land 17%

6,339 acres of land in all, 228 in the State Responsibility Area and 5,062 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. 2022 Willow Fire Of 29 acres in all · Cause: Equipment use 8 acres

In all, 8 acres of ZIP code 94520 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 94520

Neighboring ZIP codes

  1. 94520 5% Moderate · 1% High · this area
  2. 94518 11% Moderate · 1% High
  3. 94519 6% Moderate
  4. 94523 9% Moderate · 3% High
  5. 94553 25% Very High
  6. 94565 34% High · 1% Very High
  7. 94597 11% Moderate