About the Department

The Public Works Department provides for the construction, maintenance and improvement of infrastructure within the unincorporated area of the County and the Flood Control District as well as county buildings and grounds. The department is organized to conform to the process of developing and building projects. Public Works maintains 660 miles of roads and 150 miles of streams; channels and other drainage facilities as well as maintains 93 county buildings.

To see a list of services we provide click here.
  1. Arlington Avenue Road Work

    The work will occur between September 14 and October 13. View Press Release
  2. Hemme Station Park Ribbon Cutting

    Saturday, September 23, 10am-12pm Ribbon Cutting Ceremony at 10:30 am Read on...
  3. San Pablo Dam Road Work

    Work is scheduled for September 11-28, Monday through Thursday from 8:30 am - 4:00 pm. Read on...
View All