Advertised & Upcoming Construction Projects

Last Update: 12/28/2021


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    
Byron Highway/Byer Road Traffic Safety Improvements
(3-Byron) Zoom Prebid Registration Link
$1,229,000 January 25, 2022
Crockett Area Guardrail Upgrade
(5-Crockett) 
$1,295,000

(5-Concord)
$750,000
In Construction
Fred Jackson Way First Mile/Last Mile Connection
(1-N.Richmond)
$2,500,000
In Construction
Marsh Drive Bridge Replacement
(4&5 Concord) 
$12,100,000
In Construction
Lower Walnut Creek Restoration
(5-Martinez)
$12,670,000
In Construction
Bailey Road/SR4 Interchange Pedestrian & Bicycle Improvements
(5-Bay Point)
$4,126,000
In Construction
2020 Surface Treatment Project
(1,2, & 4 - El Sobrante, Richmond, Alamo)
$3,250,000
In Construction
(1 & 5 Bay View, Montalvin, Martinez/Lafayette)
$2,750,000
Constructed

Proposed Projects

Project Name Cost Estimate Advertise Date
(4,5-Bay Point, Contra Costa Centre, Pacheco)
$1,200,000 Spring 2022
Bridge Preventative Maintenance Project TBD TBD
(2-Danville)
$2,600,000 Winter 2022
(5-Martinez)
$2,400,000
Spring 2022
(3-Clayton, Brentwood)
$14,000,000
November 2022
(4-Walnut Creek)
$150,000 Spring 2022
Norris Canyon Road Safety Improvements
(2-San Ramon)
$2,200,000 Summer 2022
Pleasant Hill Bridge Rehabilitation Project
TBD
Summer 2022
(1 & 5, Pinole, Rodeo)
$342,000 November 2022
Tara Hills Trash Capture Project
(1-San Pablo)
$1,650,000 Winter 2022
(1-Kensington)
$309,000 Fall 2022