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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