ZIP code 94509

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 184 acres · State Responsibility Area 2%
  2. High 1,473 acres · 950 state, 523 local 13%
  3. Moderate 442 acres · 24 state, 418 local 4%
  4. Non-wildland 8,383 acres · Local Responsibility Area 74%
  5. Not mapped by CAL FIRE 829 acres · Mostly federal land 7%

  11,311 acres of land in all, 1,158 in the State Responsibility Area and 9,324 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. 2025 Somersville Fire 358 acres in total · Cause: Campfire 227 acres here
  2. 1997 Black Diamond Mi Fire 475 acres in total 124 acres here
  3. 2005 Con Assist 11_dolan Fire 78 acres in total · Cause: Arson 77 acres here
  4. 1967 Thomas Fire 231 acres in total 43 acres here
  5. 1979 Black Diamond Peak Fire 681 acres in total 37 acres here
  6. 2024 Sardis Fire 11 acres here
  7. 2024 Sardis 2 Fire 5 acres here
  8. 1970 Stwewartville #2 Fire 335 acres in total 3 acres here
  9. 2024 Wilbur Fire 2 acres here

  The most recent was the 2025 Somersville Fire, which burned 227 acres here. In all, 460 acres of ZIP code 94509 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