Question: how much does it cost to replace toilet drain pipe?
Answer: Install a Toilet Drain Pipe national average cost The national average cost to install a toilet drain pipe is $94.07 per line, with a range between $85.05 to $103.09. The total price for labor and materials per line is $687.13, coming in between $616.99 to $757.27. A typical 1 line project costs $687.