Question: how much does it cost to replace sewer in basement?
Answer: The average cost to replace or repair a sewer line in a basement is $3,000 to $5,000, or between $60 and $200 per foot. A full replacement can be as high as $7,000 to $20,000 or more. The main reason for replacing or repairing a pipe in the basement is if there is a wastewater backup.