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 GC/CM Services for MDCSO Wet Weather Treatment Station bid · Closed · Due: 10/28/2025 King County View Notice
- ITB-Allison EP50 Hybrid Transmission Parts and Tools bid · Closed · Due: 11/06/2025 King County View Notice
- Boise X Connection #3055A Bridge Replacement bid · Closed · Due: 10/21/2025 King County View Notice
- RFP-Pre-Planning and Cost Estimating for County Projects bid · Closed · Due: 10/31/2025 King County View Notice
- ITB-Bus Engine Crankshaft Repair Services bid · Closed · Due: 10/23/2025 King County View Notice
- ITB-Oil Sampling and Related Supplies bid · Closed · Due: 10/16/2025 King County View Notice
- Work Order Commissioning Services for Facilities Management Division bid · Closed · Due: 11/12/2025 King County View Notice
- Big Finn Field Fence and Dugout Replacement bid · Closed · Due: 10/15/2025 King County View Notice
- Cedar Hills Adjacent Properties Deconstruction and Demolition bid · Closed · Due: 10/21/2025 King County View Notice
- ITB - Work and Safety Footwear for Transit Bus Operators bid · Closed · Due: 11/04/2025 King County View Notice
- Work Order Project Control Services for Metro Transit Department bid · Closed · Due: 11/13/2025 King County View Notice
- Fifteen Mile Creek Bridge #493C Replacement Project bid · Closed · Due: 10/16/2025 King County View Notice
- ITB-Snow Plowing Removal Services bid · Closed · Due: 11/03/2025 King County View Notice
- Professional Services for the Regional Wastewater Services Plan Update bid · Closed · Due: 10/29/2025 King County View Notice
- Professional Services for the Regional Wastewater Services Plan Update bid · Closed · Due: 10/29/2025 King County View Notice
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