King County Bids & RFPs

31 open bids from King County, Washington. Get email alerts when new opportunities are posted.

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Open Bids from King County

WACountyOpenTODAY
RFP-KCIT Workforce Management Solution
King County · #KC001674
Other
WACountyOpenOct 27, 2026
Eastrail - Central Wilburton Interim Trail
King County · #KC001733
Construction
WACountyOpenOct 29, 2026
Shoreline Transfer Station Dust Control Project
King County · #KC001711
Construction
WACountyOpenNov 3, 2026
King County International Airport Pavement Improvements Work Order - Rebid
King County · #KC001772
Construction
WACountyOpenNov 4, 2026
Construction Management Services for Desimone Levee Major Repair Project
King County · #KC001767
Construction
WACountyOpenNov 4, 2026
ITB-Bus replacement glass
King County · #KC001682
Other
WACountyOpenNov 5, 2026
Engineering, Planning, and Design Services for RapidRide R Line
King County · #KC001764
Engineering
WACountyOpenNov 5, 2026
Small Tool Calibration & Certification Services
King County · #KC001724
Supplies & Materials
WACountyOpenNov 10, 2026
Cedar Hills Regional Landfill Pilot-Scale Micro-Electrolysis
King County · #KC001738
Construction
WACountyOpenNov 17, 2026
RFP-Wastewater Treatment Division Leadership Training
King County · #KC001762
Water & Sewer
WACountyOpenNov 17, 2026
RFP On-Call Learning Consultant
King County · #KC001677
Professional Services
WACountyOpenNov 18, 2026
Niehoff Alternator Parts
King County · #KC001684
Other
WACountyOpenDec 3, 2026
Aluminum Trail Bridges
King County · #KC001743
Other
WACountyOpen--
MFA setup instructions and support will be provided by King County Procurement & Payables to help make the transition as smooth as possible
King County
Other
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Your access to the Supplier Portal and its features will remain the same once MFA is set up
King County
Other
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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
King County
Other
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Sustainable purchasing program
King County
Other
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King County Procurement and Payables Intranet
King County
Other
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King County employee field resources
King County
Other
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Cooperative purchasing agreements
King County
Other
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How to protest a solicitation
King County
Other
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Minimum wage requirements
King County
Other
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Current labor & escalation rates
King County
Other
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Capital project rosters
King County
Other
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Sustainable business resources
King County
Other
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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
WACountyOpen--
Certifying your company's sustainable products and services
King County
Other
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Find more helpful registration resources here
King County
Supplies & Materials
WACountyOpen--
Upcoming Capital Projects
King County
Other
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Solicitation Abstracts page
King County
Other

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