King County Government Bids
Browse active and historical government bids, RFPs, RFQs, IFBs, contract opportunities, and procurement notices issued by the King County. Use this page to monitor King County procurement activity, track upcoming bid opportunities, and identify potential government contracting opportunities in Washington. Select a bid title below to view bid details, due dates, agency information, bid documents, and submission requirements.
- Civil and Structural Repair Work Order 2026-2027 bid · Closed · Due: 12/08/2025 King County View Notice
- Engineering Services for the Renton Regional Trail Hub Project bid · Closed · Due: 1/05/2026 King County View Notice
- Program Management and Owner Advisor Services for the Harborview Bond Program bid · Closed · Due: 1/09/2026 King County View Notice
- Engineering Services for the Taxiway Bravo Relocation Project bid · Closed · Due: 12/19/2025 King County View Notice
- Engineering Services for the Taxiway Bravo Relocation Project bid · Closed · Due: 12/19/2025 King County View Notice
- ITB-New Flyer & Gillig Bus Parts bid · Closed · Due: 12/12/2025 King County View Notice
- Mitigation and Landscape Maintenance Work Order 2026 bid · Closed · Due: 12/11/2025 King County View Notice
- Cedar Hills Adjacent Properties Deconstruction and Demolition bid · Closed · Due: 12/02/2025 King County View Notice
- RFP - Integrated Workplace Management System (IWMS) bid · Closed · Due: 12/18/2025 King County View Notice
- Green Cedar Rivers Trail South Interim Segment A bid · Closed · Due: 12/04/2025 King County View Notice
- Heavy Civil GCCM Services for Influent Conveyance/Effluent Conveyance & Outfall bid · Closed · Due: 1/27/2026 King County View Notice
- Heavy Civil GCCM Services for Influent Conveyance/Effluent Conveyance & Outfall bid · Closed · Due: 1/27/2026 King County View Notice
- CM Services for the Puyallup and Houghton Close Landfill Gas Projects bid · Closed · Due: 1/06/2026 King County View Notice
- Civil and Structural Repair Work Order 2026-2027 bid · Closed · Due: 11/25/2025 King County View Notice
- Engineering Services for the Taxiway Bravo Relocation Project bid · Closed · Due: 12/19/2025 King County View Notice
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