ZIP code 94506

Contra Costa County, including Blackhawk, Danville, Camino Tassajara and others

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Report created October 27, 2026 at www.firezones.info/zip/94506

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    13% 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

    14% has burned

    Most recently the 1981 Blackhawk Fire, which burned 1,185 acres here, one of 2 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    19% 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 1,566 acres · 1,295 state, 272 local 13%
  2. High 4,490 acres · 3,801 state, 689 local 38%
  3. Moderate 3,657 acres · 163 state, 3,494 local 31%
  4. Non-wildland 2,234 acres · Local Responsibility Area 19%

11,948 acres of land in all, 5,259 in the State Responsibility Area and 6,688 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. 1981 Blackhawk Fire Of 2,361 acres in all · Cause: Arson 1,185 acres
  2. 1970 Tassajara Fire 448 acres

In all, 1,632 acres of ZIP code 94506 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 94506

Neighboring ZIP codes

  1. 94506 13% Very High · this area
  2. 94507 50% High · 5% Very High
  3. 94517 88% Very High
  4. 94526 16% High · <1% Very High
  5. 94528 52% High · 1% Very High
  6. 94568 25% High
  7. 94582 44% Moderate · 4% High
  8. 94588 73% High · 2% Very High
  9. 94598 11% Very High