ZIP code 94531

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 487 acres · Local Responsibility Area 5%
  2. High 3,777 acres · 1,010 state, 2,767 local 42%
  3. Moderate 238 acres · 1 state, 237 local 3%
  4. Non-wildland 4,476 acres · Local Responsibility Area 50%

  8,978 acres of land in all, 1,011 in the State Responsibility Area and 7,967 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

  Map
  1. 1974 Brentwood Fire 375 acres in total 263 acres here
  2. 2005 Con Asst 13_diamond Fire 163 acres in total · Cause: Arson 161 acres here

  The most recent was the 2005 Con Asst 13_diamond Fire, which burned 161 acres here. In all, 424 acres of ZIP code 94531 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