Is your sewer line backing up? A clog can develop over many years, either from volume or a tree root working its way into the sewer line. No matter what the cause is, or how bad the damage to your sewer line itself is, San Francisco's plumbing experts are ready to help. Whether for routine maintenance or rooting services, the Whistle Plumbing team can assist you and prevent future damage. If you have a clog we can help!