CSLB# 807692 If one of your pipes is leaking, time is the enemy. The longer you wait to plug the leak, the worse the water damage will get. Prevent the need for costly repairs by turning to 1 Backflow Plumbing for leak detection services. We use state-of-the-art technology to locate leaks quickly. After we patch it up, you won't have to worry about the leak happening again.