Public Works Department

Contra Costa County Public Works Department


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


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

  1. Rodeo Pedestrian Enhancement Project

    Contra Costa County Public Works will begin construction of the Pedestrian Enhancement Project at two(2) sites in Rodeo starting on Wednesday, April 21, 2021 through Tuesday, June 1, 2021, 7:00 am-5:00 pm, Monday-Friday. Drivers should expect delays. Read more...
  2. Video Release for Three Creeks Parkway Project, Brentwood

    The Contra Costa County Flood Control District is proud to announce that the widening of Marsh Creek is complete, the trail has reopened and planting continues on the Three Creeks Parkway Restoration Project. To learn more visit: Read more...
  3. Construction on Bailey Road/State Route 4 Interchange

    Public Works will begin construction on the Bailey Road/State Route 4 (SR4) Interchange Pedestrian & Bicycle Improvement Project on Monday, March 29, 2021, from 7 a.m. - 4 p.m. Work will occur Monday-Friday through October 2021., weather permitting. Read more...
  4. EBMUD Road Closures in Walnut Creek

    A portion of San Miguel Drive, between El Camino Corto & Shady Glen Road, and Shady Glen Road, between San Miguel Drive & Oakdene Court, will be closed to through traffic beginning on Thursday, April 1, 2021, from 8:00 a.m.-4:30 p.m.-June 1, 2021 Read more...
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