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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