Horn's Backflow & Plumbing Service, INC 855-222-1492 Get In Touch Gas Maintenance At Horn's Backflow & Plumbing Service, INC we offer a variety of different services to our customers. These include: Leak locate Gas line install Gas line repair Gas investigation Earthquake valve Why choose Horns Backflow & Plumbing Service INC.? 24/7 Emergency Services Customer Service is our Priortiy Family Owned Business Trustworthy and Reliable Commercial Plumbing Specialist Veteran Owned and Operated Backflow Boiler Maintenance Booster/ Sump Pumps Fire Service Gas Maintenance Hydro Jetting Leak Locating Pumping Sewer Service Storm Drain System Water Service Commercial Services About Us Instagram Home Quick Links Local Office 27823 Smyth Dr. Valencia, CA 91355 Map & Directions 855-222-1492 ©2020 by Horn's Backflow & Plumbing Service, INC.