Advertised & Upcoming Construction Projects

Last Update: 10/26/2020

Get information on projects currently being constructed here

Project links below contain project information, including location, description of work, bid information, pre-bid and bid opening virtual meeting instructions, and bid results.

Project documents that are currently out to bid can be found in our Planroom

Contra Costa County will hold pre-bid meetings for construction projects virtually via Zoom.

Click the link for instructions on how to register to attend our pre-bid  Zoom Meeting (PDF).


Video presentation of County Outreach Program for pre-bid meeting: GFE Presentation

Advertised Projects

Project Name
Cost Estimate
Bid Due Date
Bailey Road/SR4 Interchange Pedestrian & Bicycle Improvements
(5-Bay Point)
$4,126,000 November 17, 2020
Bel Air Elementary Trail Crossing
(5-Bay Point)
$291,000 November 17, 2020
2020 Surface Treatment Project
(1,2, & 4 - El Sobrante, Richmond, Alamo)
$3,250,000

Proposed Projects

Project Name Cost Estimate Advertise Date
$425,000 Summer 2021
(1-El Sobrante)
$300,000 Summer 2021
(5-Alhambra Valley)
$300,000 Summer 2021
(2-Briones)
$100,000 Summer 2021
(1-N.Richmond)
$2,387,000 Summer 2021
(2-San Ramon)
$2,200,000 Summer 2021
(2-Orinda)
$292,000 Fall 2021
(3-Byron)
$821,000 Spring 2021
Danville Boulevard - Orchard Court Complete Street Improvements
(2-Danville)
$1,920,000 Spring 2021