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. Bryon Highway Road Work

    The work between the Alameda County line and Camino Diablo will occur August 14-25 between 8:30am and 4:00 p.m. View Press Release
  2. Traffic Detour on Balfour Road starts July 31

    Eastbound traffic between Byron Highway and Bixler Road will be detoured via local streets. Westbound traffic will stay on Balfour Road. View Press Release
  3. Morgan Territory Road Closure

    A section of Morgan Territory Road that was damaged during the winter storms will be closed through mid-October to repair the road. View Press Release
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