How Much Does Trenchless Sewer Line Piping Cost? [2026 Data]

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Cost Insights:
  • Your trenchless sewer pipe lining project costs between $1,900 and $6,000, based on your pipe condition and access.

  • Your sewer line length drives labor and materials, and longer runs require more digging at entry and street points.

  • You should budget for sewer permits up to $1,000 and camera inspections $175 to $350.

  • Hiring a local sewer service professional ensures your trenchless sewer line meets code and is installed correctly.

In 2026, the national cost for trenchless sewer pipe lining averages $2,900. It often ranges from $1,900 to $6,000, depending on your pipe condition and access points. Pipe length, local labor rates, and the extent of existing damage are the primary factors driving that spread.

Trenchless Sewer Line Replacement Costs: What Determines the Price?

Trenchless sewer line replacement costs depend on several variables, and your existing system's condition, layout, and local requirements all influence the final price. Understanding each factor helps you build a realistic budget before work begins.

Size

Sewer line replacement averages $2,900 with traditional methods, but trenchless systems often cost more, and the distance your line must travel to reach the street is the primary cost driver. Sewer lines commonly run between 50 and 75 feet, and even ten additional feet can add thousands of dollars to your total. Trenchless sewer line piping costs vary significantly by line length, as the table below shows:

Sewer Line Length in Linear FeetAverage Replacement Cost in 2026
25–35$1,500–$8,750
35–45$2,100–$11,250
45–55$2,700–$13,750
55–75$3,300–$18,750
75–100$4,500–$25,000
Homeowner and Pro Illustration
From one homeowner to another

I had an extremely positive experience with Fresno Plumbing. Six and one half years after I purchased my brand new home I had a sewer backup problem. I called the builder to see if there was any warrantly coverage and they referred me to the original plumber for my home, Fresno Plumbing and Heating. Fresno Plumbing and Heating said very rarely there are pipe connection problems and they would investigate. They videoed my sewer line, discovered a flaw in the pipe connection, used their sophisticated diagnostic equipment to determine the exact location of the problem, got all the necessary permits, identified all the nearby utility lines, and took responsibility for fixing the pipe at no charge to me. They could have said I was out of the warranty period, but they felt the problem could have dated to the original construction. They took my problem seriously and investigated. If I had to pay for this myself it would have cost thousands. I am very grateful for their honesty, for the repairs they made, and for the way they treated me in this situation. They were a strong advocate for me in dealing with the various player to get the repairs made at no charge to me.

— Jeff R.
5.0
Review of Fresno Plumbing & Heating Inc, in Clovis, CA

Pipe Lining

Trenchless pipe lining costs $135 to $150 per linear foot, making it a viable option for existing systems that are damaged but not severely compromised. A professional blows a resin-coated liner through the old pipe, allowing installation without extensive excavation, whether or not the original system was trenchless.

Pipe Bursting

When replacing a non-trenchless sewer line, pipe bursting is required to break apart the old pipe and make room for the new one, bringing the combined cost to $150 to $190 per linear foot. The process is purely mechanical, breaking the old pipe into small pieces without chemicals, so your soil, garden, and lawn remain unaffected.

Comparison of trenchless sewer replacement methods, with pipe lining not destroying or removing old pipes and pipe bursting used when an old sewer line isn’t trenchless

Excavation

Trenchless sewer line projects require minimal excavation, though you will likely need minor digging at the street connection and at the point where the line enters your home. Obstacles such as tree roots can require additional removal work, and that extra labor runs $60 to $250 per hour.

Permits

Permits for a trenchless sewer system can cost up to $1,000 depending on your location, and in many areas local laws prohibit DIY sewer work entirely, making permit costs a non-negotiable part of your budget.

Tie-Ins

Complex sewer systems with multiple lines connecting to the main street line will require tie-ins, which are billed at $60 to $250 per linear foot plus any additional excavation costs needed to complete those connections.

Additional Costs to Consider for Trenchless Sewer Line Replacement

What else should you consider when replacing a trenchless sewer line? Here are some additional factors that could come into the mix with your project.

Additional Plumbing

If you are adding a new sewer line or tie-in lines, your local sewer company may need to perform additional plumbing work to properly set up the replacement. Installing or replacing plumbing costs $1,200 on average, though the final price varies considerably based on the scope of the job.

Camera Inspection

Many cities and counties require a camera inspection after a sewer line replacement to confirm the work meets code, adding $175 to $350 to your project cost. Longer sewer lines push toward the higher end of that range because they take more time to inspect.

Switching From a Septic Tank to Sewer

If your trenchless sewer line is replacing a septic system rather than an existing sewer line, decommissioning the septic tank, including shutting it down and removing it, can cost up to $5,500. That figure does not include any landscaping restoration your yard may need once the work is complete.

Backflow Preventer

Sewer line professionals almost universally recommend installing a backflow preventer to keep contaminants from re-entering your home's pipes, and adding one costs $150 to $1,150, including parts and labor.

Why You Should Hire a Sewer Line Pro

professional cleaning out drain in home
PaulMaguire / iStock Editorial / Getty Images Plus / Getty Images

Hiring a professional trenchless sewer line installer may cost more upfront, but you benefit from faster completion, minimal property disruption, and a durable, long-lasting repair. Professionals use specialized equipment and proven techniques, helping you avoid costly mistakes and future sewer issues.

Here’s why it’s ideal to hire a professional trenchless sewer line installer

Trenchless sewer line piping is a highly technical process that requires experience, precision, and the right equipment. Here are some of the top reasons to work with a pro:

  • Trenchless sewer professionals ensure existing pipes, utilities, landscaping, and surrounding structures aren’t damaged during the process.

  • They have the specialized tools and training needed to properly assess pipe conditions, install liners or replacement pipes, and ensure proper flow and sealing.

  • Working with a professional ensures the new sewer line is installed correctly, meets local codes, and reduces the risk of leaks, backups, or premature failure.

  • Bundling trenchless sewer line piping with inspections, cleanouts, or pipe descaling services can help lower overall project costs.

How to Save on Trenchless Sewer Replacement

Still, there are some ways to stretch your dollars when it comes to sewer line replacement. Consider these four money-saving tips when you replace your trenchless system:

  • Check your warranty: Some home warranties cover sewer line repair, saving you money over a replacement.

  • DIY the landscaping: Hourly rates for landscapers range from $50 to $100, so if you’re a confident DIYer, you could save money here after the main job is done. 

  • Compare quotes: Always compare quotes from reputable contractors to make sure you’re getting the best overall value. 

  • Don’t cut corners: When replacing your sewer pipe lining, do everything by the book so that you avoid costly disasters and expensive fines.

Next Steps: Finalize Your Project With a Sewer Line Pro
  • Be prepared to discuss with a pro the condition, age, and material of your existing sewer line, as these factors influence the trenchless method, timeline, and overall cost.

  • If your budget allows, ask your pro about optional services such as pipe lining upgrades, cleanout installation, or post-project camera inspections.

  • Make sure the work area is accessible and that utilities or landscaping features are clearly identified, since trenchless equipment still requires entry and exit points.

  • Plan for potential unexpected costs, including additional repairs if hidden blockages, root intrusion, or collapsed sections are discovered during the process.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.

Frequently Asked Questions

Generally, a trenchless sewer line is worth the cost. If your old system needs replacement, trenchless sewer repair or replacement can save you thousands on excavation costs. Every homeowner’s situation is different, but this method is definitely worth it in a lot of cases.

Trenchless sewer replacements are actually a great solution for sewer lines located under concrete. A professional can still sleeve and burst old piping to make room for a new one without having to dig up your slab.

Sewer pipe liners are rated to last up to 50 years. One of the biggest threats to sewer liners is tree roots, which can grow over or through them and ultimately require repairs or replacement.

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