Advertised & Upcoming Construction Projects

Last Update: 9/28/2023

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
District - Location
Cost Estimate
Bid Due Date
$900,000 October 17,2023

$324,000 In Construction
San Pablo Dam Road and Bailey Road Signal Hardware Upgrades
(1 & 5-El Sobrante, Bay Point)
In Construction
$900,000 Max
In Construction
Westminster and Kenyon Avenues Accessibility Project
In Construction

(2,4,&5 - Bay Point, Lafayette, Pacheco, CC Centre, Kirker Pass Road)
$6,188,000 In Construction
2023 Countywide Surface Treatment Project
(2,4,&5 - Bay Point, Pacheco, CC Centre, Kirker Pass Rd)
In Construction
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 Constructed
Tara Hills Trash Capture Project
(1-San Pablo)
$2,050,000 Constructed
Marsh Drive Bridge Replacement
(4&5 Concord) 
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
Spring 2024
$4,961,000 December 19, 2023
Winter 2024
(1 & 5-Pinole, Rodeo)
$342,000 Spring 2024
Bixler Road and Regatta Drive Intersection Improvements
(III-Discovery Bay)
$250,000 Spring 2024
$1,600,000 Spring 2024
Livorna Road Shoulder Widening
$86,000 Winter 2024
Summer 2024
$670,000 January 2024

Proposed Projects

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