Procurement
We contract for products, construction, and other services. Find and bid for contracting opportunities at the King County Library System.
Jump to:
Current Contracting Opportunities
Find bids and proposals that we're currently soliciting on OpenGov. Closing dates are included in each posting.
Search for previously closed bids on the Procurement Portal.
You will need to register on OpenGov to respond to bids.
Register on OpenGov
Sign up for a free OpenGov account. You’ll receive an email to activate your account.
Once registered, you’ll be invited to respond to postings for:
- General and Professional Services and Selected Commodities.
Need help? Find more information about how to register in our help file, opens a new window.
Documents
Payment Information
- W-9, Request for Taxpayer Identification Number and Certification (PDF), opens a new window
- Important Tax Information (PDF), opens a new window
- W-8BEN, Certificate of Foreign Status of Beneficial Owner for United States Tax Withholding and Reporting (Individuals) (PDF), opens a new window
- Labor and Industries Prevailing Wage Rates, opens a new window
Contractor Insurance Certificate Checklists
Frequently Asked Questions
Contact Us
Send an email to [email protected].
Vision
To serve the community and the King County Library System (KCLS) by providing and communicating professional procurement/contracting services and support, in order to guide KCLS leaders through sound business decisions leading to financial stewardship.
We do this through:
- Accessible and efficient online tools
- Just-in-time support to all parts of the organization
- Analytical reporting and analysis

