King County Bids & RFPs

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

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Open Bids from King County

WACountyOpenSep 10, 2026
Work Order Survey & Aerial Mapping Services for Water & Land Resources Division
King County · #KC001714
Engineering
WACountyOpenSep 10, 2026
ITB-Gas And Welding Products, Equipment, And Items
King County · #KC001361
Other
WACountyOpenTODAY
RFI-King County Metro Access and Metro Flex Programs
King County · #KC001728
Other
WACountyOpenTODAY
RFP-Dye-Dilution Testing Services
King County · #KC001719
Engineering
WACountyOpenSep 15, 2026
Work Order Engineering Services for Solid Waste Landfill Systems
King County · #KC001699
Engineering
WACountyOpenSep 15, 2026
Central Base, Atlantic Base & Non-Revenue UST Improvements and AST Installation
King County · #KC001691
Construction
WACountyOpenSep 15, 2026
Permitting Abatement and Hazardous Materials Services Work Order
King County · #KC001700
Construction
WACountyOpenSep 15, 2026
RFQ Organizational Development Consulting Services - Supplemental
King County · #KC001706
Professional Services
WACountyOpenSep 16, 2026
ITB-BAE Parts and Tools
King County · #KC001567
Supplies & Materials
WACountyOpenSep 23, 2026
KCSO Uniforms & Related Items
King County · #KC001652
Supplies & Materials
WACountyOpenSep 28, 2026
Roof Replacement and Repair Work Order 2026
King County · #KC001722
WACountyOpenSep 30, 2026
RFP-Infant Mental Health Consultant
King County · #KC001688
Professional Services
WACountyOpenOct 1, 2026
A&E for the Renton Maintenance Facility Building C HVAC and Roof Replacement
King County · #KC001721
Construction
WACountyOpenOct 13, 2026
Heavy Civil GC/CM Services for STP Treatment and Electrical Improvements (TEI)
King County · #KC001701
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
WACountyOpen--
Your access to the Supplier Portal and its features will remain the same once MFA is set up
King County
Other
WACountyOpen--
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
WACountyOpen--
Minimum wage requirements
King County
Other
WACountyOpen--
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
WACountyOpen--
Goods, services, and technology
King County
IT & Technology
WACountyOpen--
Certifying your company's sustainable products and services
King County
Other
WACountyOpen--
Find more helpful registration resources here
King County
Supplies & Materials
WACountyOpen--
Upcoming Capital Projects
King County
Other
WACountyOpen--
Solicitation Abstracts page
King County
Other

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