Water Concepts is the premier kitchen and bath showroom in Western Washington. Our three designer kitchen and bath showrooms are conveniently located in Kirkland, Tacoma, and Lacey. When you first step into one of our Water Concepts kitchen and bath showroom, you will be warmly greeted by a friendly, knowledgeable showroom specialist. We encourage you to browse our vast selection of luxury plumbing style, gracefully displayed to inspire the creative design process. Our highly trained showroom consultants are always close by to answer your questions and offer suggestions. Water Concepts is a division of Rosen Supply Company. Rosen Supply Company is the leading family-owned and operated wholesale plumbing distributor in Western Washington. The Rosen family has been serving the plumbing and heating contractors of the Northwest since 1946.