Sewer Line Replacement Cost

You usually need a new sewer line when a camera shows a collapsed, badly cracked or root-choked pipe, or when backups keep coming back after cleaning. Older clay, Orangeburg and cast-iron laterals are the most common candidates. The final bill depends mostly on how many feet need replacing, how deep the pipe sits and what is on top of it.

This guide covers average costs, prices per foot by method and pipe material, a line-item breakdown and ways to save. If digging up your yard or driveway is the big worry, compare our trenchless sewer line replacement cost guide, and always start with a sewer camera inspection to confirm what is actually wrong.

Average cost

Installed prices for residential sewer laterals, national averages as of October 2026:

Cost per linear foot by replacement method

Pipe material cost per linear foot (materials only)

Cost breakdown: materials, labor, permits and extras

Line-item estimate for replacing a 50-foot PVC house-to-street sewer lateral by open trench, under lawn and a short section of walkway. Ranges are national, as of October 8, 2026.

Labor and excavation make up most of the bill; the pipe itself is a small share unless you choose cast iron.

What affects the price

• Length and depth of the pipe. Price scales with length: at $50–$250 per linear foot, a 20-foot run costs about $1,000–$5,000 while an 80-foot run can cost $4,000–$20,000. Deeper pipes need wider, shored trenches and more labor.
• Method (open trench or trenchless). Open-trench replacement runs about $50–$200 per foot before restoration. Trenchless pipe bursting ($60–$200 per foot) and lining ($90–$250 per foot) cost similar or more per foot but can save thousands in yard and driveway repairs.
• Pipe material. PVC costs only $3–$8 per foot and ABS $3–$11, while cast iron runs $20–$75 and copper $30–$80. Material is a small part of the total for most laterals.
• Obstacles such as driveways, trees, patios and landscaping. Driveways, mature trees, patios and decks raise the price. Tree removal runs $400–$1,200, and breaking out and restoring a concrete slab adds $300–$350 per foot.
• Permits and inspections. Permits range from about $30 to $1,000 depending on the city, and many towns require an inspection before the trench is backfilled.
• Cost of restoring the surface afterwards. Landscaping restoration costs $4–$12 per sq. ft., sod $1–$2 per sq. ft., and driveway repair from a few hundred dollars to $3,000 for major work. Trenchless methods keep most of this cost off the bill.

Ways to save

• Get a camera inspection ($125–$500) before agreeing to a full replacement. If only one section is broken, a spot repair at $600–$1,050 may be enough.
• Ask for both open-trench and trenchless prices. When the line runs under a driveway, mature trees or hardscaping, trenchless often wins once restoration is counted.
• Collect at least three written quotes that list the same length, method and pipe material, and confirm whether permits, camera inspections and restoration are included.
• Check your homeowners insurance and any city or utility sewer lateral program. Some municipalities offer cost-sharing or grants for lateral replacement, and some insurers sell service-line endorsements.
• Do simple restoration yourself, like reseeding or laying sod after the contractor backfills, instead of paying for full landscaping.
• Replace the whole lateral if the camera shows widespread damage. Paying for repeated spot repairs on an aging clay or Orangeburg pipe often costs more over time.

Related questions people ask

How much does main sewer line replacement cost?

Replacing the main sewer line from the house to the street typically costs $2,000–$15,000 for a 40–60-foot run, with HomeAdvisor putting the average house-to-street lateral at about $2,600 for simpler jobs. Depth, length and what sits above the pipe push the price toward the top of the range.

What is the average cost of sewer line replacement?

Reported national averages range from about $3,300 (Angi, HomeAdvisor and This Old House) to $6,000 (HomeGuide). Most homeowners pay $1,400–$10,000, and the per-foot price of $50–$250 is the best way to check a quote against your line length.

How much does sewer line replacement cost per foot?

Expect $50–$250 per linear foot installed. Traditional trenching sits at the lower end, lining at $90–$250, and runs under a slab add $300–$350 per foot for concrete work.

How to get an accurate quote

Get at least three written, itemized quotes from licensed plumbers or sewer contractors. Give each one the same information:

• The camera inspection video or report, showing where the damage is and the total length of the line.
• The approximate depth of the pipe, the location of cleanouts and what sits above the line (lawn, driveway, trees, patio).
• Whether you want open-trench, pipe bursting or lining quoted, and which pipe material will be used.
• Ask what is included: permits, the city tap connection, backfill, surface restoration, cleanup and the length of the workmanship warranty.

FAQ

How long does sewer line replacement take?

A straightforward lateral replacement often takes one to three days, and trenchless jobs are frequently done in a day. Permit approval and inspections can add days or weeks before work starts.

Does homeowners insurance cover sewer line replacement?

Standard policies usually exclude wear, tree roots and age-related failure. A service-line or sewer backup endorsement may cover part of the cost, so check your policy before hiring a contractor.

Who pays for the sewer line, the city or the homeowner?

In most US cities the homeowner owns the lateral from the house to the property line or the main, depending on local rules. The city typically maintains the main line in the street, so ask your public works department where your responsibility ends.

Prices are estimates and vary by location and provider. See our methodology and editorial policy. Browse all foundation & water cost guides.