About Us

• Headquartered in Southwestern Washington, Molecular Sewer and Drain has sewer repair down to a science. Originally a division of Molecular Inc. We have been performing trenchless sewer repair for over 15 years. Happily serving the needs of our customers in Lewis, Cowlitz, and Clark counties and beyond! If you are experiencing any type of sewer or drain issue, give us a call. We have the knowledge, experienced technicians and equipment to solve your problem!