Sewer Line Cost Per Foot
Well break down sewer line replacement costs, explain the factors that affect pricing, and compare repair methods. We also include practical guidance from This Old House plumbing and heating expert Richard Trethewey to help you understand what to expect during the process. Understanding sewer line installation cost per foot is crucial for homeowners and contractors planning plumbing projects in 2026.
This comprehensive guide breaks down current pricing, material options, labor costs, and regional variations to help you budget accurately. The average sewer line replacement cost in 2026 is $5,000 to $15,000 for a typical 50 to 100-foot residential line. Traditional excavation runs $50 to $250 per foot before restoration costs.
Typical cost range for sewer line installation is broad due to site conditions and local rules. For a 100200 ft setup under normal soil, expect about $2,500$12,000 in total, with per-foot prices often landing between $25 and $150. Professional sewer line labor costs between $1,421 and $5,759 per linear foot for your project.
Your pipe material choice drives your total, with PVC budget-friendly and copper the priciest per linear foot. The average cost to install a new sewer line is $40 to $180 per linear foot or $1,600 to $7,200 total, depending on the pipe material, digging method, and labor rates.
