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.
- ITB - First Aid Kits, Emergency Preparedness and Related Items bid · Closed · Due: 10/17/2025 King County View Notice
- Fifteen Mile Creek Bridge #493C Replacement Project bid · Closed · Due: 10/07/2025 King County View Notice
- RFP-King County Deferred Compensation Investment Advisor bid · Closed · Due: 10/24/2025 King County View Notice
- ITB - LIGHT DUTY PASSENGER VEHICLES bid · Closed · Due: 10/23/2025 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
- ITB - LIGHT DUTY PASSENGER VEHICLES bid · Closed · Due: 10/23/2025 King County View Notice
- RFP-Mass Notification Alert System bid · Closed · Due: 10/29/2025 King County View Notice
- WPTP Mechanical Construction Work Order 2026-2027 bid · Closed · Due: 10/07/2025 King County View Notice
- Asphalt Paving and Concrete Work Order bid · Closed · Due: 10/16/2025 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
- ITB - LIGHT DUTY PASSENGER VEHICLES bid · Closed · Due: 10/23/2025 King County View Notice
- Work Order Transit Planning and Conceptual Design Services for Metro Transit bid · Closed · Due: 10/21/2025 King County View Notice
- ITB-Diesel Particulate Filter with Catalyst Cleaning, Repair and Inspection bid · Closed · Due: 10/22/2025 King County View Notice
- Work Order Hydrologic, Hydraulic, and Geomorphological Services for WLRD bid · Closed · Due: 10/07/2025 King County View Notice
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