King CountyBids & RFPs

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Open Bids from King County

WACountyOpenTODAY
King County International Airport Pavement Improvements Work Order 2026
King County · #KC001683
Construction
WACountyOpenJul 29, 2026
RFP-State Government Relations Consultant Services
King County · #KC001687
Professional Services
WACountyOpenJul 29, 2026
Work Order Asset Management and Related Services for Parks Division
King County · #KC001673
Engineering
WACountyOpenJul 29, 2026
DNRP Moyno Parts Inventory
King County · #KC001530
Other
WACountyOpenAug 3, 2026
ITB-Powder Coating of Bollards and Gates
King County · #KC001558
Other
WACountyOpenAug 3, 2026
WO Multidisciplinary Eng & Related Svcs for Civil Improvements & Passenger Facil
King County · #KC001664
Engineering
WACountyOpenAug 5, 2026
RFP-Seattle ORCA Business Outreach
King County · #KC001692
Other
WACountyOpenAug 5, 2026
ITB-Vehicle Logo Installation and Repair Services
King County · #KC001702
Vehicles & Equipment
WACountyOpenAug 6, 2026
RFP-Community Engagement Consultant Services Transit to Nature Trailhead Direct
King County · #KC001618
Professional Services
WACountyOpenAug 12, 2026
Crane Hoist Inspections, Testing and Repair Services
King County · #KC001661
Other
WACountyOpenAug 12, 2026
King County Environmental Lab Electrical Work Order 2027-2028
King County · #KC001620
Construction
WACountyOpenAug 12, 2026
RFQ-Grant Application Assistance & Grantee Capacity Building Consultant Services
King County · #KC001679
Construction
WACountyOpenAug 12, 2026
RFP Community Based Organization Led Services for Youth in Custody
King County · #KC001670
Other
WACountyOpenAug 12, 2026
South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation
King County · #KC001675
Construction
WACountyOpenAug 14, 2026
RFP-Behavioral Health and Recovery Division’s (BHRD) Needs Survey Implementation
King County · #KC001693
Other
WACountyOpenAug 21, 2026
ITB-Vehicle Broker Services
King County · #KC001635
Legal & Financial
WACountyOpenAug 24, 2026
Work Order Multidisciplinary Design Review and Technical Review Services for WTD
King County · #KC001695
Engineering
WACountyOpenAug 26, 2026
ITB-DLS Roads Cement, Concrete, and Mortar Mix
King County · #KC001552
WACountyOpenSep 10, 2026
Itb-gas And Welding Products, Equipment, And Items
King County · #KC001361
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MFA setup instructions and support will be provided by King County Procurement & Payables to help make the transition as smooth as possible
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When signing in, you will be prompted to verify your identity using a second method such as a code sent to your phone, email, or an authenticator app
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Sustainable purchasing program
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King County Procurement and Payables Intranet
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King County employee field resources
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Cooperative purchasing agreements
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How to protest a solicitation
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Minimum wage requirements
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Current labor & escalation rates
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Capital project rosters
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Sustainable business resources
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Architecture, engineering, and professional services
King County
Professional Services
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Goods, services, and technology
King County
IT & Technology
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Certifying your company's sustainable products and services
King County
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Find more helpful registration resources here
King County
Supplies & Materials
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Upcoming Capital Projects
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Solicitation Abstracts page
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