ZIP code 94513

Contra Costa County, including Brentwood, Knightsen, Byron and others

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Report created October 27, 2026 at www.firezones.info/zip/94513

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    9% Very High

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

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    2% has burned

    Most recently the 2025 Walnut Fire, which burned 51 acres here, one of 9 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    26% 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 4,565 acres · 4,491 state, 75 local 9%
  2. High 11,819 acres · 11,106 state, 714 local 23%
  3. Moderate 1,364 acres · 581 state, 784 local 3%
  4. Non-wildland 33,668 acres · Local Responsibility Area 65%
  5. Not mapped by CAL FIRE 3 acres · Mostly federal land <1%

51,419 acres of land in all, 16,177 in the State Responsibility Area and 35,239 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. 1995 Costa #2 Fire Of 532 acres in all 284 acres
  2. 2019 Marsh 3 Fire Of 340 acres in all · Cause: Arson 251 acres
  3. 1986 Camino Diablo Fire Of 322 acres in all · Cause: Equipment use 194 acres
  4. 1974 Brentwood Fire Of 375 acres in all 112 acres
  5. 2000 Sereda Fire 80 acres
  6. 2020 Scu Lightning Complex Of 396,824 acres in all · Cause: Lightning 59 acres
  7. 2025 Walnut Fire Cause: Vehicle 51 acres
  8. 2022 Deer Fire Cause: Arson 15 acres
  9. 1970 Vaquero Fire Of 551 acres in all 10 acres

In all, 1,023 acres of ZIP code 94513 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 94513

Neighboring ZIP codes

  1. 94513 9% Very High · this area
  2. 94505 2% Moderate
  3. 94511 No hazard zones
  4. 94514 60% High
  5. 94517 88% Very High
  6. 94531 5% Very High
  7. 94548 No hazard zones
  8. 94551 10% Very High
  9. 94561 No hazard zones
  10. 95219 No hazard zones