Skip to main content
King County logo

Local government may cooperate with other localities on a basis of mutual advantage in providing services and facilities in a manner that will accord best with geographic, economic, population and other factors influencing the needs and development of local communities. (RCW 39.34)

To piggyback on a King County Contract:

  1. Search the list of available contracts

  2. Submit the Cooperative Purchasing Agreement Form


A list of current Cooperative Purchasing Agreements is also available for your reference.

Contact Us

Phone: (206) 263-9400

TTY Relay: 711

Fax: (206) 296-7676