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.
- RapidRide I Line Bus Rapid Transit Improvements bid · Closed · Due: 5/08/2025 King County View Notice
- ITB-OEM Command Trailer bid · Closed · Due: 4/18/2025 King County View Notice
- ITB-OEM Command Trailer bid · Closed · Due: 4/18/2025 King County View Notice
- RapidRide I Line Bus Rapid Transit Improvements bid · Closed · Due: 4/28/2025 King County View Notice
- Cedar Hills Regional Landfill Onsite Relocation Project bid · Closed · Due: 4/15/2025 King County View Notice
- ITB-OEM Command Trailer bid · Closed · Due: 4/18/2025 King County View Notice
- RFP Aluminum Catamaran Research Vessel bid · Closed · Due: 7/08/2025 King County View Notice
- RFP Aluminum Catamaran Research Vessel bid · Closed · Due: 7/08/2025 King County View Notice
- Cedar Hills Regional Landfill Area 5 & 6 Top Deck Development bid · Closed · Due: 4/11/2025 King County View Notice
- ITB - Concrete Mix (Pool Bid) - Supplemental bid · Closed · Due: 4/28/2025 King County View Notice
- Medical Supplies - Blisters and Labels bid · Closed · Due: 4/07/2025 King County View Notice
- ITB - Battery Consignment Services bid · Closed · Due: 4/25/2025 King County View Notice
- RapidRide I Line Bus Rapid Transit Improvements bid · Closed · Due: 4/28/2025 King County View Notice
- ITB Geosynthetic and Erosion Control Materials (Pool Bid) - Supplemental bid · Closed · Due: 4/17/2025 King County View Notice
- RFI-Behavioral Health Crisis Care Coordination Interface bid · Closed · Due: 4/08/2025 King County View Notice
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