Procurement and Payables (P&P)

Get started with King County

As a government entity in the State of Washington, King County is required to use a competitive process to award contracts above a certain dollar amount. 

Check out opportunities

In addition to signing up for email notifications, you can also review all of our current contracts on the Solicitation Abstracts page. We also maintain a list of our Upcoming Capital Projects. 

Register to do business with us

All suppliers interested in competing for King County contracts must be registered in King County's E-Procurement Supplier Portal, and all bids and proposals must be submitted through there. Once registered, you can also sign up for email notifications. Be sure to check out our video tutorial on how to register and find more helpful registration resources here.

Sign up for an orientation

Want to learn more about how to do business with King County? We offer optional monthly online orientations for suppliers who want to understand the process better and ask questions.  Learn more.

Get certified

King County strives to do business with small businesses and certified sustainable suppliers. Learn more about King County's Small Contractor and Supplier certification program, State and Federal certification for minority- and woman-owned businesses, or options for certifying your company's sustainable products and services.