Public Works Department

Contra Costa County Public Works Department

OUR DOORS ARE OPEN

Main Office Business Hours

Monday through Thursday 7:00 a.m. to 5:00 p.m.

Friday 7:00 a.m. to 4:00 p.m. (closed 12:00 p.m. to 1:00 p.m.)

Records Counter is closed on Fridays

Face Covering Poster 20210802 even if

PER THE COUNTY HEALTH ORDER NO. HO-COVID19-51, FACE COVERINGS ARE REQUIRED UPON ENTRY INTO ALL COUNTY BUILDINGS REGARDLESS OF VACCINATION STATUS.

  1. Marsh Drive Bridge Replacement Project

    Contra Costa County Public Works will begin construction of the Marsh Drive Bridge Replacement Project, in Concord, starting on Monday, June 7, 2021 - January 2023, 7:00 am-4:00 pm, Monday-Friday. Drivers should expect delays. Read more...

  2. Buchanan Field Airport to Simulate and Extinguish Plane Fire

    October 25-29, 2021. Live fire training exercise will occur each day. Please do not call 911 related to these live fire training exercises. Read more...

  3. Tree Work on Arlington Boulevard

    Monday, October 25, 2021 - Friday, November 5, 2021. A contractor for Contra Costa County Public Works will perform tree pruning and removal operations in the medians along Arlington Boulevard. Read more...

  4. Vasco Road Maintenance Work

    Monday, November 1, 2021- Thursday, November 4, 2021, from 9:00 a.m. - 4:00 p.m. Contra Costa County Public Works Department will be cleaning up debris & replacing delineators to enhance safety on Vasco Road. Drivers should expect delays. Read more...
View All