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.
- South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation bid · Closed · Due: 8/12/2026 King County View Notice
- South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation bid · Closed · Due: 8/12/2026 King County View Notice
- GC/CM Services for Harborview Ninth and Jefferson Building 3T MRI bid · Closed · Due: 8/24/2026 King County View Notice
- ITB-Powder Coating of Bollards and Gates bid · Closed · Due: 8/10/2026 King County View Notice
- Cedar Hills Regional Landfill Building Repair Services Work Order bid · Closed · Due: 8/18/2026 King County View Notice
- Urgent Wastewater System Repairs bid · Closed · Due: 8/10/2026 King County View Notice
- ITB-DLS Roads Cement, Concrete, and Mortar Mix bid · Closed · Due: 8/26/2026 King County View Notice
- WO Multidisciplinary Eng & Related Svcs for Civil Improvements & Passenger Facil bid · Closed · Due: 8/03/2026 King County View Notice
- ITB-Vehicle Broker Services bid · Closed · Due: 8/21/2026 King County View Notice
- ITB-GAS AND WELDING PRODUCTS, EQUIPMENT, AND ITEMS bid · Closed · Due: 9/10/2026 King County View Notice
- Work Order Multidisciplinary Design Review and Technical Review Services for WTD bid · Closed · Due: 8/24/2026 King County View Notice
- RFP-Behavioral Health and Recovery Division's (BHRD) Needs Survey Implementation bid · Closed · Due: 8/14/2026 King County View Notice
- South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation bid · Closed · Due: 8/12/2026 King County View Notice
- Crane Hoist Inspections, Testing and Repair Services bid · Closed · Due: 8/12/2026 King County View Notice
- King County Environmental Lab Electrical Work Order 2027-2028 bid · Closed · Due: 8/12/2026 King County View Notice
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