Advertised & Upcoming Construction Projects

Last Update: 1/22/2021

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
Alhambra Valley Road Realignment
(5-Alhambra Valley)  Register to attend the Zoom prebid meeting
$600,000
February 23, 2021
Rodeo Pedestrian Enhancements
(5-Rodeo)  Register to attend the Zoom prebid meeting
$242,000
February 23, 2021
Lower Walnut Creek Restoration
(5-Martinez)
$12,670,000 February 16, 2021
Bailey Road/SR4 Interchange Pedestrian & Bicycle Improvements
(5-Bay Point)
$4,126,000 Bid Results (PDF)
Bel Air Elementary Trail Crossing
(5-Bay Point) 
$291,000 Bid Results (PDF)
2020 Surface Treatment Project
(1,2, & 4 - El Sobrante, Richmond, Alamo)
$3,250,000

Proposed Projects

Project Name Cost Estimate Advertise Date
(4&5 Concord)
$13,000,000 February 2021
(1,2,4,5- El Sobrante,Rollingwood, N.Richmond, Alamo, Clyde, N.Concord)
$11,225,000 January 19, 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 2022
(2-Orinda)
$292,000 Summer 2021
(3-Byron)
$821,000 Spring 2021
Danville Boulevard - Orchard Court Complete Street Improvements
(2-Danville)
$1,920,000 Spring 2021