Government contracts & bids in King, Washington

The purpose of this contract is to provide architectural, engineering, and related services to King County Metro Transit Department, Capital Division (“County”) to provide services from planning through construction for the North King County Access Base (NAB) project.

King County is soliciting proposals from interested and qualified suppliers to reduce barriers that may prevent young people with justice involvement and/or young people at-risk of involvement in the justice system from reaching their full potential.

King County is seeking qualified firms to provide Fiber Reinforced Polymer and Steel BCT durable trail puncheons.

King County is soliciting proposals from interested and qualified suppliers to provide pre-collection, time payment services for King County District Court. To attend the Pre-Proposal Conference on June 18, 2026 at 2:00 p.m., PT, see information in the RFP document.

The purpose of this contract is to provide flood hazard mapping and related services to King County Department of Natural Resources and Parks, Water and Land Resources Division (“County”) to develop updated floodplain analyses for the Upper Snoqualmie basin.

The purpose of this contract is to provide architecture and engineering and related services to King County Department of Natural Resources and Parks, Parks and Recreation Division (“County”) for major renovations to the Weyerhaeuser King County Aquatic Center.

King County (County) requests final proposals from firms interested in providing Heavy Civil GC/CM Services for Mouth of Duwamish Combined Sewer Overflow (MDCSO) Chelan Wet Weather Storage Project. This is a project specific GC/CM. The Contractor may be responsible for multiple early work packages over the life of the GC/CM contract. NOTE: Submittals for RFFP phase will only be accepted from Finalists invited to the solicitation.

King County is soliciting bids from interested and qualified firms to provide nondestructive rail track testing services. To attend the Pre-Bid Conference on June 16, 2026, at 1:00 p.m., PT, see information in the ITB document.

King County is soliciting submittals from interested and qualified firms to establish a roster of qualified contractors to provide project management, community outreach, and volunteer recruitment for ecological enhancement services on an as-needed work order basis.

The purpose of this contract is to provide construction management and inspection services on a work order basis for King County Department of National Resources and Parks, Parks and Recreation Division (“County”). The exact disciplines required and the amount of work for each discipline has not been determined. The Consultant should be capable of adding disciplines expeditiously as necessary to meet the needs of specific work orders. There is no guarantee that all services in this Scope of W…

King County is soliciting bids from interested and qualified firms to provide crane inspection and testing services.

King County is soliciting bids from interested and qualified firms to provide vehicle auction house services.

King County is seeking qualified firms to provide Fiber Reinforced Polymer and Steel BCT durable trail puncheons.

King County is soliciting proposals from interested and qualified suppliers to provide insurance brokerage services. A pre-proposal conference will be held May 19, 2026 at 1:00 pm PT.