Vacaville

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 50 acres · Local Responsibility Area <1%
  2. High 2,685 acres · 19 state, 2,666 local 14%
  3. Moderate 2,899 acres · 12 state, 2,887 local 15%
  4. Non-wildland 13,631 acres · Local Responsibility Area 71%
  5. Not mapped by CAL FIRE 2 acres · Mostly federal land <1%

  19,265 acres of land in all, 31 in the State Responsibility Area and 19,233 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. 1972 Cement Hill Fire 1,724 acres in total 861 acres here
  2. 2018 Nelson Fire 2,158 acres in total · Cause: Miscellaneous 858 acres here
  3. 2020 Hennessey Fire 305,352 acres in total · Cause: Lightning 715 acres here
  4. 1981 Whykoff #2 Fire 392 acres here
  5. 1999 Browns Fire 437 acres in total · Cause: Miscellaneous 192 acres here
  6. 1992 Cement Fire 1,221 acres in total 79 acres here
  7. 2004 Cement Fire 1,007 acres in total 13 acres here
  8. 2016 Oak 2 Fire 59 acres in total 12 acres here

  The most recent was the 2020 Hennessey Fire, which burned 715 acres here. In all, 2,210 acres of Vacaville 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