Coy's Plumbing is your premiere business for all your plumbing needs! We service the Yakima, Prosser, Toppenish, Sunnyside, and Zillah areas, as well as the Tri-City area of Kennewick, Richland, and Pasco. We have been in business for over 30 years, and we provide our services to both residential and commercial customers. We pride ourselves on the quality of work that we provide to our customers. Please give us a call for your free estimate!