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)

How to "piggyback" on King County contracts

Download the Cooperative Purchasing Agreement Form 

Jurisdictions with approved Cooperative Purchasing Agreements are listed below for your reference. These jurisdictions have permission to use King County contracts.