RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Contra Costa County, California

Browse open government contracting RFPs, RFIs, RFQs, and Sources Sought in Contra Costa County, California on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies across Contra Costa County, California, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

StatusTitleBuyerDue Date
OpenForce Main Assessment Civil Work

West County Wastewater is seeking bids for civil work related to a force main assessment, including the installation of launch and receive barrels, valve replacement, potholing, and site restoration.

Contra Costa County, CA, USA•Invitation for/to Bid (IFB/ITB)
United States of America7/10/2026
OpenFord Parts and Services for Alameda County

Alameda County is seeking to establish a pool of up to three bidders to provide Ford parts and services for their General Services Agency-Motor Vehicle Department.

Alameda County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
County of Alameda7/21/2026
OpenJob Order Contracts for General Maintenance and Repair

The County of Alameda is seeking to pre-qualify contractors for five Job Order Contracts (JOC) for general major maintenance, ADA improvements, repair, remodel, and other repetitive work.

Alameda County, CA, USA•Request for Proposal (RFP)
County of Alameda7/21/2026
OpenOEM and Remanufactured Toner and Ink Cartridges

Alameda County General Services Agency is seeking Original Equipment Manufacturer (OEM) and remanufactured toner and ink cartridges.

Alameda County, CA, USA•Request for Quote/Qualifications (RFQ)
County of Alameda > Alameda County Waste Management Authority7/28/2026
OpenScrap Metal Recycling Services

Alameda County General Services Agency is seeking scrap metal recycling services with a due date of July 16, 2026.

Alameda County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
Alameda County7/16/2026
OpenTransportation Driver Services for California Army National Guard

The California Army National Guard is seeking a contractor to provide transportation driver services for essential equipment and supplies.

San Miguel River, CA, USA•Request for Proposal (RFP)
United States of America > Department of Defense > Department of the Army > US Army Corps of Engineers6/25/2026
OpenSmall Business Navigator Program - Professional Technical Assistance Services

The City of Dublin is soliciting Statements of Qualifications from consultants to provide project-based technical assistance to local small businesses in business planning, marketing, and architectural design.

Dublin, CA, USA•Request for Quote/Qualifications (RFQ)
City of Dublin-
OpenHigh-Power Semiconductor Laser Diodes

Lawrence Livermore National Security is seeking sources for commercially available off-the-shelf high-power semiconductor laser diode products for a laser amplifier application.

Livermore, CA, USA•Sources Sought
United States of America > Department of Energy > Western Area Power Administration6/27/2026
OpenPower Operated Drum Winch for USS Oakland LCS 24

The US Navy is seeking one power-operated drum winch for the USS Oakland LCS 24.

Oakland, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > Department of Defense6/25/2026
OpenCourtroom Presentation Solution

The Administrative Office of the United States Courts is seeking a commercial off-the-shelf courtroom presentation solution to support their National Litigation Support Team.

Oakland, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > Department of Defense6/24/2026
OpenConsulting Services for Homeless Regional Task Force

Sacramento County and the City of Sacramento are seeking consulting services to help establish a new regional partnership model and governing body for homeless response and affordable housing resources.

Sacramento County, CA, USA•Request for Proposal (RFP)
Sacramento County6/30/2026
OpenWater Resources Job Order Contracts (JOCs) 286 & 287

The County of Sacramento is seeking proposals for Job Order Contracts (JOCs) 286 and 287 for water resources infrastructure projects.

Sacramento County, CA, USA•Request for Proposal (RFP)
Sacramento County7/16/2026
OpenNorth Natomas Regional Park Phase 7 Great Meadow Project

The City of Sacramento is seeking bids for the North Natomas Regional Park Phase 7 Great Meadow Project, which includes landscaping, irrigation, and concrete walkways.

Sacramento County, CA, USA•Invitation for/to Bid (IFB/ITB)Other
City of Sacramento > Fire Department7/1/2026
OpenTechnical Assistance and Training for Arts Organizations

The California Arts Council is seeking a contractor to provide technical assistance and training resources to strengthen statewide capacity for arts organizations and improve grant-making panel operations, with a total contract not to exceed $200,000 over 12 months.

Sacramento County, CA, USA•Request for Proposal (RFP)Small BusinessVeteran-Owned Business
California > California Arts Council7/3/2026
OpenAirport Job Order Contracts

The County of Sacramento is seeking contractors for job order contracts (JOCs) for airport improvements.

Sacramento County, CA, USA•Request for Proposal (RFP)
Sacramento County7/16/2026
OpenOn-Call Forensic Pathology Services for Sacramento County

The County of Sacramento is seeking proposals for on-call forensic pathology services to assist with deaths under the Coroner's jurisdiction.

Sacramento County, CA, USA•Request for Proposal (RFP)
Sacramento County6/25/2026
OpenDiscovery Park Paving Project

The County of Sacramento is seeking paving services for Discovery Park, including excavation, asphalt pavement, and striping.

Sacramento County, CA, USA•Invitation for/to Bid (IFB/ITB)
Sacramento County7/2/2026
OpenGeneral Services Job Order Contracts (JOCs)

The County of Sacramento is seeking contractors for Job Order Contracts (JOCs) for general services, including concrete repair and restoration, with bids due July 16, 2026.

Sacramento County, CA, USA•Request for Proposal (RFP)
Sacramento County7/16/2026
OpenAsphalt Emulsion Oil for Chip Seal Program

Solano County is seeking bids for approximately 650 tons of Asphalt Emulsion Oil, Polymer-Modified Rejuvenating Emulsions (PMRE) for their chip seal program.

Solano County, CA, USA•Invitation for/to Bid (IFB/ITB)
Solano County > Department of Health and Social Services7/17/2026
OpenAsphalt Emulsion Oil for Chip Seal Program

Solano County is soliciting bids for approximately 650 tons of Polymer-Modified Rejuvenating Emulsions (PMRE) for their chip seal program, including delivery and application.

Solano County, CA, USA•Invitation for/to Bid (IFB/ITB)
Solano County7/7/2026
OpenSolano County Behavioral Health Interim Housing Placement

Solano County is seeking proposals for an interim housing program to provide shelter and stabilization services for adults and older adults with serious mental illness experiencing homelessness.

Solano County, CA, USA•Request for Proposal (RFP)
Solano County > Department of Health and Social Services7/8/2026
OpenBehavioral Health Services Act (BHSA) Early Intervention Services for Adults and Older Adults

Solano County Behavioral Health is seeking proposals for early intervention behavioral health services and supports for adults and older adults in Solano County.

Solano County, CA, USA•Request for Proposal (RFP)
Solano County7/17/2026
OpenEvaluation of the Private Defender Program

San Mateo County is seeking proposals for a contractor to evaluate its Private Defender Program, assessing performance against guidelines and providing recommendations for improvement.

San Mateo County, CA, USA•Request for Proposal (RFP)
San Mateo County > Sheriff's Office7/13/2026
OpenCounty of San Mateo Defined Contribution Plan Audit Services

The County of San Mateo is seeking audit services for its voluntary defined contribution retirement program.

San Mateo County, CA, USA•Request for Proposal (RFP)
San Mateo County > Sheriff's Office7/2/2026
OpenBackground Investigation Software System for San Mateo County Sheriff's Office

The San Mateo County Sheriff's Office is seeking proposals for a cloud-based background investigation software system to improve efficiency and security in their hiring process.

San Mateo County, CA, USA•Request for Proposal (RFP)Small BusinessOther
San Mateo County > Sheriff's Office7/6/2026
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