Public Works Department

Contra Costa County Public Works Department

Introducing Mobile Citizen.  A user-friendly Smart Phone (Android, iOS) mobile application to help residents "on the go" report non-emergency concerns such as potholes, graffiti, illegal dumping and other service requests in unincorporated communities.  Download the app, take a photo, provide comments, details about the location and submit to Public Works.  It's that easy!

Mobile Citizen icon

Visit our Mobile Citizen webpage to learn more.


Public Works staff will be available

Monday – Thursday 7am - 5pm

Friday 7am – 4pm, closed 12-1 (Fridays only)


In an effort to protect our customers, and employees, we are following the County Health Officer orders requiring anyone working at, or visiting, an essential business to wear a face mask and keep a distance of 6 feet apart.


COVID-19 6 feet apart image

For information related to COVID-19 visit

The Public Works Department Capital Projects Division has been very busy. With two major projects this year in the City of Martinez alone. Namely the new consolidated Emergency Operations Center/Public Safety Building (EOC/PSB) which was completed in June and The County Administration Building (CAO) which was completed in July/August.  Click on the pictures below for current details about these projects.

County Administrative Building


Public Safety Building and Emergency Operations Center

EOC - 1
  1. Tree Removal and Sidewalk Repair Work in Rodeo

    Contra Costa County Public Works Department will begin a tree removal and sidewalk repair project along Willow Avenue, between Mariners Pointe and Viewpointe Boulevard, in Rodeo beginning on November, 30, 2020 - December 18, 2020, 9:00 a.m.-4:00 p.m. Read more...
  2. Tree Removal on Iron Horse Corridor in Danville

    The Contra Costa County Public Works Department will perform work to remove one tree along the Iron Horse Corridor, between Hartford Road and Del Amigo Road, in Danville beginning November 23, 2020-November 25, 2020, 8 am-4 pm. The trail will be closed. Read more...
  3. Landscape Refresh Work at Andrew H. Young Park in Alamo

    Contra Costa County Public Works will be replacing lawn and other landscape features at Andrew H. Young Park, in Alamo, beginning Tuesday, November 10, 2020 through Monday, November 23, 2020. The park will not be accessible to residents during this work. Read more...
  4. Contra Costa Public Works to Upgrade Streets in the Richmond area

    Public Works will apply a Micro Surface Treatment to Richmond Parkway from approximately 1500’ Southwest of Goodrick Ave to Gertrude Ave on Richmond Parkway, in North Richmond. Starting October 29-November 30, 2020, 7:00 a.m.-5:00 p.m., Monday-Friday. Read more...
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