Advertised & Upcoming Construction Projects

Last Update: 6/07/2023

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.

Advertised Projects

Project Name
Cost Estimate
Bid Due Date    
San Pablo Dam Road and Bailey Road Signal Hardware Upgrades
(1 & 5-El Sobrante, Bay Point) Register for the virtual pre-bid meeting
July 11, 2023
$900,000 Max
Westminster and Kenyon Avenues Accessibility Project
(2,4,&5 - Bay Point, Lafayette, Pacheco, CC Centre, Kirker Pass Road)
2023 Countywide Surface Treatment Project
(2,4,&5 - Bay Point, Pacheco, CC Centre, Kirker Pass Rd)
Marsh Creek Road Bridges Replacement Project
(3-Clayton, Brentwood)
$12,182,000 In Construction

Danville Boulevard - Orchard Court Complete Street Improvements
$2,900,000 In Construction
Mayhew Way and Cherry Lane Trail Crossing Enhancements
(4-Walnut Creek)
$258,000 In Construction
Tara Hills Trash Capture Project
(1-San Pablo)
$2,050,000 In Construction
Marsh Drive Bridge Replacement
(4&5 Concord) 
In Construction
Lower Walnut Creek Restoration
In Construction
(1,2,4, & 5-El Sobrante, North Richmond, Alamo, Clyde, North Concord)
$7,100,000 Constructed
2020 Surface Treatment Project
(1,2, & 4 - El Sobrante, Richmond, Alamo)

Upcoming Projects

Project Name Cost Estimate Advertise Date
(1,2,3,5 - Bay Point, El Sobrante, Orinda, Martinez, Byron, Knightsen, Brentwood, Byron)
$485,000 Summer 2023
Summer 2023
$4,961,000 December 19, 2023
$516,000 June 13, 2023
Summer 2023
(1 & 5-Pinole, Rodeo)
$342,000 Summer 2023
Bixler Road and Regatta Drive Intersection Improvements
(III-Discovery Bay)
$250,000 Winter 2024
Summer 2024

Proposed Projects

Project Name                                                                      
San Pablo Dam Road Storm Drain and Erosion Repair (200ft SE of La Honda Road)
(1-El Sobrante)