Contra Costa County Government Bids
Browse active and historical government bids, RFPs, RFQs, IFBs, contract opportunities, and procurement notices issued by the Contra Costa County. Use this page to monitor Contra Costa County procurement activity, track upcoming bid opportunities, and identify potential government contracting opportunities in California. Select a bid title below to view bid details, due dates, agency information, bid documents, and submission requirements.
- Springbrook Road Culvert & Sinkhole Repair bid · Open · Due: 8/18/2026 Contra Costa County View Notice
- JOC 2026 - "License A" - Horizontal Job Order Contracts (JOCS) - HA001, HA002, HA003, HA004 bid · Closed · Due: 7/20/2026 Contra Costa County View Notice
- RFQ - FS90 & District 3 Youth Center Project bid · Open · Due: 8/18/2026 Contra Costa County View Notice
- JOC #001 - #002 Painting bid · Open · Due: 7/28/2026 Contra Costa County View Notice
- JOC #003 and #004 Mechanical bid · Open · Due: 7/28/2026 Contra Costa County View Notice
- Appian Way at Fran Way Pedestrian Crosswalk Enhancements bid · Open · Due: 8/04/2026 Contra Costa County View Notice
- JOC 2026 - "A License" - Horizontal Job Order Contracts (JOCS) - HA001, HA002, HA003, HA004 bid · Closed · Due: 7/20/2026 Contra Costa County View Notice
- JOC 2026 - "License B" - Horizontal Job Order Contracts (JOCS) - HB001, HB002 bid · Closed · Due: 7/20/2026 Contra Costa County View Notice
- Robert I. Schroder Pedestrian Bridge Rehabilitation Project bid · Closed · Due: 7/14/2026 Contra Costa County View Notice
- 2026 On-Call Contract(s) for Various Road, Flood Control, and Airport bid · Closed · Due: 7/07/2026 Contra Costa County View Notice
- Deer Valley Road Traffic Safety Improvements Project bid · Closed · Due: 6/23/2026 Contra Costa County View Notice
- RFQ - Los Medanos Recovery Center bid · Closed · Due: 7/02/2026 Contra Costa County View Notice
- Flood Control Zone 1 Marsh Creek Storm Damage Repair Project bid · Closed · Due: 6/09/2026 Contra Costa County View Notice
- Countywide Guardrail Upgrades Phase II Project bid · Closed · Due: 6/09/2026 Contra Costa County View Notice
- 2026 On-Call Trucking Services Contract(s) For Various Road and Flood Control Maintenance Project bid · Closed · Due: 6/09/2026 Contra Costa County View Notice
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