I need professionals to come in and unclog the main sewer line. How much does it cost to clear the main sewer line? Clearing a clogged sewer line can be a expensive and daunting task. The price for this service will vary depending on the severity of the clog, but usually costs anywhere from $75 to $200 per hour. Some companies may charge a flat rate for the service, while others may charge by the amount of time spent clearing the line. It's important to remember that some clogs may require more than one visit from a professional in order to clear, so be sure to ask upfront about any additional fees that may apply.

Depending on the municipality, it can cost anywhere from $75 to $2,000 to clear the main sewer line. The most common cause of a clogged main sewer line is tree roots, which can grow into the pipes and constrict or even completely block the flow of sewage.