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.
- Heavy Civil GCCM Services for Black Diamond Trunk Capacity Upgrade bid · Closed · Due: 9/11/2025 King County View Notice
- Hazardous Materials Inspection, Testing & Abatement Work Order bid · Closed · Due: 9/16/2025 King County View Notice
- RFP-Wheelchair Accessible For-hire Vehicle Coordinated Dispatching Services bid · Closed · Due: 9/11/2025 King County View Notice
- West Duwamish Wet Weather Storage bid · Closed · Due: 9/16/2025 King County View Notice
- South Treatment Plant (STP) Near Term Biogas Modifications bid · Closed · Due: 9/04/2025 King County View Notice
- Professional Services for the King County Flood Code Update Project bid · Closed · Due: 10/03/2025 King County View Notice
- South Treatment Plant (STP) Near Term Biogas Modifications bid · Closed · Due: 9/16/2025 King County View Notice
- RFP-Wheelchair Accessible For-hire Vehicle Coordinated Dispatching Services bid · Closed · Due: 9/11/2025 King County View Notice
- Heavy Civil GC/CM Services for MDCSO Wet Weather Treatment Station bid · Closed · Due: 10/21/2025 King County View Notice
- RFP-Computer Aided Dispatch System bid · Closed · Due: 9/10/2025 King County View Notice
- Heavy Civil GC/CM Services for Metro's State of Good Repair Program - Bundle 1 bid · Closed · Due: 9/03/2025 King County View Notice
- Heavy Civil GC/CM Services for Metro's State of Good Repair Program - Bundle 1 bid · Closed · Due: 9/03/2025 King County View Notice
- Work order Multidisciplinary Engineering and Related Services for Metro Transit bid · Closed · Due: 9/23/2025 King County View Notice
- Planning Services for the CBP3 for Stormwater Retrofits Project bid · Closed · Due: 9/25/2025 King County View Notice
- Planning Services for the CBP3 for Stormwater Retrofits Project bid · Closed · Due: 9/11/2025 King County View Notice
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