Backflow Services Return to Directory Contact Name Dobbs, Sherman Business Address 16308 Dry Creek Blvd. Prosper, TX 75078 Business Email sherman@backflowservices.org Business Phone (469) 500-5506 Counties Serviced Collin, Dallas, Denton, Kaufman, Rockwall, Tarrant Business Service(s) Backflow Testing, New Installations, Service & Repair Business Description Backflow Prevention Assembly Testing and Service. Contact listing ownerSend Message Name Email Phone Number Message