How do I win contracts with King County?

Register as a vendor on King County's procurement portal, make sure your commodity/NAICS codes match what it buys, and monitor its open bids (listed on this page). Many state and local buyers also run small-business and local-vendor preference programs.

How many open bids does King County have right now?

King County currently has 19 open solicitations accepting responses, updated daily from public procurement data.

King County

State / local / other government buyer · 19 open bids

Open government contract opportunities from King County, the vendors it awards most, and the industries it buys — aggregated from public procurement data and updated daily.

Open opportunities

ITB-Vehicle Broker Services
King County, WA
Due Jul 27, 2026
Posted Jul 2, 2026
ITB-Vehicle Broker Services
King County, WA
Due Jul 27, 2026
Posted Jul 7, 2026
King County International Airport Pavement Improvements Work Order 2026
King County, WA
Due Jul 28, 2026
Posted Jul 10, 2026
Work Order Asset Management and Related Services for Parks Division
King County, WA
Due Jul 29, 2026
Posted Jun 23, 2026
RFP-State Government Relations Consultant Services
King County, WA
Due Jul 29, 2026
Posted Jul 10, 2026
DNRP Moyno Parts Inventory
King County, WA
Due Jul 29, 2026
Posted Jul 7, 2026
South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation
King County, WA
Due Jul 30, 2026
Posted Jun 26, 2026
WO Multidisciplinary Eng & Related Svcs for Civil Improvements & Passenger Facil
King County, WA
Due Aug 3, 2026
Posted Jun 26, 2026
ITB-Powder Coating of Bollards and Gates
King County, WA
Due Aug 3, 2026
Posted Jul 8, 2026
RFP-Seattle ORCA Business Outreach
King County, WA
Due Aug 5, 2026
Posted Jul 15, 2026
ITB-Vehicle Logo Installation and Repair Services
King County, WA
Due Aug 5, 2026
Posted Jul 7, 2026
RFP-Community Engagement Consultant Services Transit to Nature Trailhead Direct
King County, WA
Due Aug 6, 2026
Posted Jun 22, 2026
King County Environmental Lab Electrical Work Order 2027-2028
King County, WA
Due Aug 12, 2026
Posted Jul 16, 2026
South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation
King County, WA
Due Aug 12, 2026
Posted Jul 21, 2026
RFP Community Based Organization Led Services for Youth in Custody
King County, WA
Due Aug 12, 2026
Posted Jul 9, 2026
Crane Hoist Inspections, Testing and Repair Services
King County, WA
Due Aug 12, 2026
Posted Jul 20, 2026
RFQ-Grant Application Assistance & Grantee Capacity Building Consultant Services
King County, WA
Due Aug 12, 2026
Posted Jul 15, 2026
RFP-Behavioral Health and Recovery Division’s (BHRD) Needs Survey Implementation
King County, WA
Due Aug 14, 2026
Posted Jul 22, 2026
Work Order Multidisciplinary Design Review and Technical Review Services for WTD
King County, WA
Due Aug 24, 2026
Posted Jul 23, 2026

How to win King County contracts

Register as a vendor on King County's procurement portal.
Match your NAICS / commodity codes to what it buys (see the top codes above).
Ask about local small-business and vendor-preference programs — see set-asides explained.
Monitor its open bids above, or set a GovBidAlerts alert.

New to government contracting? Start with our GovCon guides and glossary.