At Los Angeles Plumbing & Backflow Testing, Inc., we provide reliable commercial and industrial plumbing and backflow services throughout Los Angeles County, Orange County, and surrounding Southern California areas. From raising below-grade backflows to above-ground installations and handling your annual testing and certification, to repairs and ongoing plumbing maintenance, we've got your facility covered. We're more than just a backflow company. As a full-service commercial plumbing contractor, we handle leaks, water lines, fixtures, drains, emergency repairs, and general facility plumbing needs. Backflow. Plumbing. Facility Maintenance. One company to keep your operation running.