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.
| Status | Title | Buyer | Due Date |
|---|---|---|---|
| Open | Alameda County Shuttle Bus Services Alameda County is seeking a contractor to provide and operate five weekday shuttle bus routes, including buses, drivers, maintenance, GPS tracking, reporting, and special-event service, under a three-year contract with two renewal years. Alameda County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business | County of Alameda > General Services Agency > Procurement | 10/12/2026 |
| Open | Detention Facility Chaplaincy Services Contra Costa County is seeking providers to deliver on-site, multi-faith chaplaincy services, counseling, worship support, crisis response, and volunteer coordination at four Sheriff’s detention facilities. Contra Costa County, CA, USA•Request for Proposal (RFP) | Office of the Sheriff | 9/30/2026 |
| Open | Cloud-Based Transit Signal Priority System Construction The Livermore Amador Valley Transit Authority is seeking a contractor to furnish, install, integrate, test, and commission a cloud-based Transit Signal Priority system at signalized intersections in Livermore, Dublin, and Pleasanton, California. Alameda County, CA, USA•Invitation for/to Bid (IFB/ITB) | Livermore Amador Valley Transit Authority | 10/30/2026 |
| Open | Professional Services for Project and Construction Management Chabot-Las Positas Community College District is seeking a consultant to provide project and construction management services for bond-funded projects, including design phase support, construction administration, and LEED certification coordination. Alameda County, CA, USA•Request for Proposal (RFP) | Chabot-Las Positas Community College District | - |
| Open | Stage and Rain Gauges Installation Zone 7 Water Agency is seeking a contractor to install stream gauging equipment, including field cameras, pressure transducer probes, staff gauges, and telemetry equipment, at two locations in Alameda County, California. Alameda County, CA, USA•Other | California > Zone 7 Water Agency | - |
| Open | Job Order Contracts for Building Repair and Maintenance Contra Costa County is seeking bids for four Job Order Contracts for repair, alteration, modernization, maintenance, rehabilitation, and demolition work on buildings and facilities, with a mandatory pre-bid conference. Contra Costa County, CA, USA•Invitation for/to Bid (IFB/ITB) | Contra Costa County > Public Works Department > Capital Projects Management Division | 10/6/2026 |
| Open | Public Website Redesign and Accessibility Modernization The West Contra Costa Transportation Commission is seeking a web agency to modernize its public website, implement an accessible CMS, migrate content, achieve WCAG 2.1 Level AA conformance, and train staff within a $22,000 budget. Contra Costa County, CA, USA•Request for Proposal (RFP) | Contra Costa Transportation Authority | 9/26/2026 |
| Open | Evacuation Planning and Modeling Software Alameda County is seeking a secure, cloud-based evacuation planning and modeling software solution with implementation, integration, training, support, and maintenance services for countywide multi-jurisdictional emergency operations. Alameda County, CA, USA•Request for Proposal (RFP) | County of Alameda > General Services Agency | 10/13/2026 |
| Open | Dublin/Pleasanton Access Improvements Bay Area Rapid Transit is planning a $13 million Dublin/Pleasanton access improvements project, anticipated for October 2026. Alameda County, CA, USA | Bay Area Rapid Transit | - |
| Open | Project and Construction Management Services for Measure A Projects Chabot-Las Positas Community College District is seeking qualified firms to provide project management and construction management services for its Measure A projects. Alameda County, CA, USA•Request for Proposal (RFP) | Chabot-Las Positas Community College District | - |
| Open | San Pablo Avenue Parallel Bike Improvements Project The Alameda County Transportation Commission is seeking a contractor for the San Pablo Avenue Parallel Bike Improvements Project, including traffic-calming roadway modifications, pavement rehabilitation, bicycle-facility markings, pedestrian beacons, signage, drainage work, and landscaping in Albany, Berkeley, Emeryville, and Oakland. Alameda County, CA, USA•Invitation for/to Bid (IFB/ITB) | Alameda County Transportation Commission | 9/21/2026 |
| Open | Countywide Intelligent Transportation Systems Modernization The Contra Costa Transportation Authority is seeking a contractor to modernize intelligent transportation systems at approximately 365 intersections countywide, including traffic signal equipment installation, communications networking, systems integration, and testing. Contra Costa County, CA, USA•Invitation for/to Bid (IFB/ITB) | Contra Costa Transportation Authority | 10/13/2026 |
| Open | Scalable Housing Infill Funding Toolkit (SHIFT) Developer Pool Alameda County is seeking qualified development teams to establish a pool of partners eligible to bid on future SHIFT-funded projects, including multifamily infill housing and senior ADUs. Alameda County, CA, USA•Request for Quote/Qualifications (RFQ) | County of Alameda > Housing and Community Development Department | - |
| Open | Housing and Homelessness Services Vendor Pool Alameda County Health is seeking qualified vendors to provide housing and homelessness services, including housing community supports, health and supportive services, interim and permanent housing administration, and homelessness prevention services. Alameda County, CA, USA•Request for Proposal (RFP) | County of Alameda > Health Care Services Agency | 10/13/2026 |
| Open | Fine Art Handling, Framing, and Fabrication Services Alameda County is seeking museum-quality fine art handling, archival custom framing, and two-dimensional fine art fabrication services through a three-year, renewable contractor pool. Alameda County, CA, USA•Request for Proposal (RFP)Small Business | County of Alameda > General Services Agency > Procurement | 10/22/2026 |
| Open | Senior ADU Program Administration Services Alameda County Housing and Community Development Department is seeking a qualified firm to administer the SHIFT Senior ADU Program, including financing design, homeowner services, construction management, lot-split administration, and oversight of accessory dwelling unit projects. Alameda County, CA, USA•Request for Quote/Qualifications (RFQ)Other | County of Alameda > Housing and Community Development Department | 10/10/2026 |
| Open | SHIFT Developer Pool Request for Qualifications Alameda County Housing and Community Development Department is seeking qualified development teams to establish a pool of partners for the Scalable Housing Infill Funding Toolkit (SHIFT) program, focusing on constructing new infill multifamily rental housing and ADUs for seniors. Alameda County, CA, USA•Request for Quote/Qualifications (RFQ) | County of Alameda > Housing and Community Development Department | - |
| Open | Canal Siphon Diving and Cleaning Services Contra Costa Water District is seeking electronic bids for underwater diving, sediment and debris removal, and restoration services at two canal siphon sites in Contra Costa County, California. Contra Costa County, CA, USA•Invitation for/to Bid (IFB/ITB) | Contra Costa Water District | 9/21/2026 |
| Open | Valley Link Phase 1A General Engineering Consultant The Tri-Valley-San Joaquin Valley Regional Rail Authority is seeking a general engineering consultant to serve as designer and engineer of record for the Valley Link Phase 1A rail project, advancing design from 30% through final design and supporting pre-construction, reviews, coordination, and construction. Alameda County, CA, USA•Request for Proposal (RFP) | Tri-Valley-San Joaquin Valley Regional Rail Authority > Valley Link | 10/16/2026 |
| Open | Vacant Unit Turnover Preparation Services The Housing Authority of the County of Contra Costa is seeking one or more contractors for as-needed vacant-unit turnover preparation services, including repairs, cleaning, painting, flooring, plumbing, electrical work, and related maintenance across its properties. Contra Costa County, CA, USA•Request for Proposal (RFP)Other | Housing Valley Authorities Consortium > Housing Authority of the County of Stanislaus | 10/5/2026 |
| Open | Website Redesign and WCAG 2.1 AA Accessibility Compliance The West Contra Costa Transportation Commission is seeking a web agency to redesign and rebuild its public website, implement WCAG 2.1 Level AA accessibility, migrate content, provide testing and staff training, within a $22,000 budget ceiling. Contra Costa County, CA, USA•Request for Proposal (RFP) | Contra Costa Transportation Authority | 9/26/2026 |
| Open | Uniform Rental and Textile Services Alameda County is seeking uniform rental and textile services, including garment fitting, laundering, repairs, replacements, inventory tracking, and scheduled delivery across multiple County departments and locations. Alameda County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business | County of Alameda > General Services Agency > Procurement | 10/22/2026 |
| Open | Forensic Pathology Services Alameda County is seeking up to three certified forensic pathology contractors to provide as-needed autopsies, medical death investigations, scene response, toxicology-related coordination, and legally defensible cause-and-manner-of-death reports. Alameda County, CA, USA•Request for Proposal (RFP)Other | County of Alameda > General Services Agency > Procurement | 10/15/2026 |
| Open | Communications and Public Engagement Support Services Contra Costa County is seeking one or more communications firms to provide as-needed strategic communications, public engagement, campaign, research, media planning, advertising, and crisis communications support for Contra Costa Health. Contra Costa County, CA, USA•Request for Proposal (RFP) | Contra Costa County | 10/1/2026 |
| Open | Licensed Clinical Psychologist Recruitment and Staffing Alameda County is seeking recruitment and staffing agencies to provide permanent and temporary licensed clinical psychologists for its forensic behavioral health programs and county-operated jail system. Alameda County, CA, USA•Request for Proposal (RFP)Small Business | County of Alameda > General Services Agency > Procurement | 10/5/2026 |
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