Average Cost To Install Or Replace Plumbing – Forbes Home


The price to install plumbing in new construction consists of material and labor costs for the entire system, including the water main hookup and sewer connection to the municipal system.

Labor Cost

Typically, in new construction plumbing, labor is included in the pricing bid instead of a separate line item. Labor makes up a large percentage of the final invoice and costs between $50 and $120 per hour per individual plumber, or a total of $1,500 and $6,000 for the project.

By Linear Foot

Although the pricing quote for new construction plumbing seldom includes per-linear-foot costs, you’re paying between $1.40 and $10 for labor and materials or $1,400 to $10,000 for 1,000 linear feet of pipe.

By Square Foot

New construction plumbing estimates often rely on per-square-foot prices. On average, the cost of new construction rough-in plumbing is between $4.50 and $5.25 per square foot or $11,250 and $13,125 for a 2,500-square-foot home.

By Location

Labor pricing varies depending on market conditions in the home’s location. Expect to pay up to $60 per hour higher or lower than the national average, with urban areas costing more than rural areas.

By Pipe Material

The three most common types of pipe materials allowed by the building code are copper, PEX, CPVC and PVC. Copper pipe is typically used for supply lines and costs an average of $3 per linear foot. Copper drain lines are less common and can cost $8 per foot. PEX piping costs an average of $1.15 per linear foot, while CPVC averages $0.98. PVC piping is used for drain, waste and venting applications only and costs an average of $2 to $4.50 per linear foot depending on the pipe’s diameter.

Commercial vs. Residential

Commercial plumbing installation is subjected to more rigid building code standards and is generally larger in scope. Expect per-square-foot pricing to average $6 for most situations.

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