ZIP code 94583

Contra Costa County, including San Ramon and Norris Canyon

Search for an address

Report created October 27, 2026 at www.firezones.info/zip/94583

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    5% Very High

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

    Open map

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    No recorded fires

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

    Open map

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    63% 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.

    Open map

Land by hazard class

  1. Very High 726 acres · 726 state, <1 local 5%
  2. High 8,642 acres · 7,456 state, 1,187 local 64%
  3. Moderate 438 acres · 40 state, 398 local 3%
  4. Non-wildland 3,795 acres · Local Responsibility Area 28%
  5. Not mapped by CAL FIRE 2 acres · Mostly federal land <1%

13,604 acres of land in all, 8,222 in the State Responsibility Area and 5,380 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

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 94583

Neighboring ZIP codes

  1. 94583 5% Very High · this area
  2. 94507 50% High · 5% Very High
  3. 94526 16% High · <1% Very High
  4. 94552 10% Very High
  5. 94556 49% Very High
  6. 94568 25% High
  7. 94582 44% Moderate · 4% High
  8. 94595 37% High