The average cost to install a new sewer line is $40 to $180 per linear foot or $1,600 to $7,200 on average, depending on the material, digging method, and labor rates.
Copper is the most durable pipe material but costs the most. Many homeowners use plastic piping because it's more affordable and less susceptible to corrosion.
Trenchless boring costs more than digging trenches for the pipes, but it's faster and does'nt require any yard repair or cleanup afterward.