How much does it cost to replace an underground drain pipe?

Author: Melissa Brekke  |  Last update: Tuesday, June 9, 2026

Repairing or replacing a small section of drain pipe can typically run between $250 and $1,250. Repairing larger sections or breaks can run between $400 and $1,500, with that cost going higher based on complexity of the repair.

How do you fix a broken underground sewer pipe?

Sewer lines can be repaired by slip lining where another liner pipe is inserted into the broken line to pass the point of the break. There is also a company that can reline a sewer pipe in place called Insituform.

How much do plumbers charge to replace a pipe?

Pipe replacement averages $1,252 and ranges from $371 to $2,133. Your plumbing repair pro can assess your home and estimate the overall cost. Pipes are the circulatory system of your house. They deliver drinking water, clean dishes, fill the bathtub, and send wastewater on its way.

How do you tell if a drain pipe is broken underground?

The telltale signs of a broken sewer pipe under your house include:
  1. Poor drainage/backed up water in the sinks, toilets, and the bath.
  2. A foul smell, as sewer gases find their way back up the line toward your property.

What is the average cost of a new sewer line?

Cost Estimates

As we mentioned earlier, in the state of California, the cost of sewer line replacement can amount to anywhere between $50-$250 per linear foot, with an average of around $150.

How much does it cost to replace my sewer line? - Pricing Breakdown and Analysis

Does homeowners insurance cover sewer line replacement?

Does homeowners insurance cover your sewer line if it's damaged? Damage to your sewer line may be covered by your policy if it is caused by perils such as hail or windstorms, explosions, lightning or fire, damages caused by vehicles, vandalism or falling objects.

What is the cheapest way to replace a sewer line?

Trenchless sewer repairs, such as pipe lining or pipe bursting, are typically 30-40% less expensive than traditional excavation and less invasive. Traditional excavation, which involves digging a trench to access the damaged pipe, is usually more expensive and can cause significant damage to your yard.

How much does it cost to replace underground drain pipe?

Average Cost:

Repairing or replacing a small section of drain pipe can typically run between $250 and $1,250. Repairing larger sections or breaks can run between $400 and $1,500, with that cost going higher based on complexity of the repair.

How long does it take to fix a broken pipe underground?

Typically, fixing a burst pipe takes anywhere from a few hours to a couple of days. Factors like damage severity, pipe accessibility, and material type affect the time needed.

How long do underground drain pipes last?

This pipe, which lies buried under the soil of your yard, can last anywhere from 50-100 years or more, depending on the material from which the pipe is made and the conditions under which it is used.

How much does it cost to fix a leaking pipe underground?

Again, there are other factors that can affect these prices, such as how much work is needed, and the materials required for proper busted water pipe repair. In the case that your broken pipe is under the foundation of your home or beneath the concrete slab, you can expect to pay anywhere from $500-$4,000.

How long does it take a plumber to replace a pipe?

On average, a small-scale pipe replacement could take anywhere from a few hours to a couple of days. Just a Few Hours: For minor pipe damage or replacement of easily accessible pipe sections, professional plumbers could complete the job in just a few hours.

How much should I pay a plumber per hour?

Anticipating Plumbing Costs per Hour: What to Expect

In 2025, homeowners in the U.S. can expect to pay an average of $90 per hour for plumbing services, though rates generally span from $45 to $200 based on service type and complexity.

Do plumbers fix underground pipes?

Usually, underground water leaks in your yard are difficult to repair for the simple reason that it is difficult to get to them. Professional plumbers will either have to do precision excavation or replace the line entirely. To do either, the plumber must first locate the water leak using a water leak detector.

Can you fix a collapsed drain without digging?

How does no-dig drain repair work? The “no dig” method involves inserting a liner impregnated with resin into the damaged pipeline. Once in position, the liner is inflated to create a strong layer inside the pipe. This gives a water tight repair, sealing and protecting the pipe from further deterioration.

How much to repair a collapsed drain?

On a “per metre” basis, you should expect to pay between £75 to £115 for a collapsed drain repair and between £300 to £770 for a collapsed drain excavation replacement. This is obviously a significant cost, so it will be worth contacting a few drainage companies and trying to get a free quote wherever possible.

Does homeowners insurance cover broken underground pipes?

If the break or hole in pipe occurred within your home's foundation, it may be covered., however, it is not likely that your policy will cover pipe bursts or breaks that occur outside of your home's foundation “footprint”.

How do you tell if a pipe is broken underground?

How to Tell if a Pipe Burst Underground
  1. Potholes or Sinkholes Around Your Lawn. These holes indicate a faulty pipe. ...
  2. High Water Bills. ...
  3. Fluctuating Water Pressure. ...
  4. Puddles or Pooling Water. ...
  5. Discolored Water and Odors. ...
  6. Overly Green Grass.

How much does it cost to replace a broken pipe?

On average, burst water pipe repair costs between $150 and $250 per linear foot for labor and materials. Keep in mind that replacing the pipe alone—before labor—only costs between $0.50 and $30 per linear foot.

How do you fix a broken sewer pipe underground?

Your plumber will dig an access hole and run a specialized drill tip followed by the new pipe through your old pipe. The old sewer line will then break apart from the inside out. Afterward, your plumber will ensure everything is working correctly and cover the access hole.

Why is sewer line replacement so expensive?

Sewer work is expensive because of the labor-intensive process involved, which includes excavation, pipe removal, and installation of a new one. It requires significant manual labor and expertise, driving up the overall cost.

Is Roto Rooter more expensive than other plumbers?

Roto-Rooter is a national service available in every U.S. state, including Alaska and Hawaii. Flat-rate pricing might be slightly higher in states with a higher cost of living, such as California or New York, but most plumbers charge between $45 and $200 per hour.

Can sewer pipes be repaired without digging?

Roto-Rooter's Zero-Dig Pipe Restoration Services can bring most old sewers and drainpipes back to life without digging trenches to repair or replace them. Little to no digging is required and some trenchless services can be completed in as... Fast, Friendly and Professional Service.

How much does it cost to replace a drain pipe under the slab?

Broken Drain Pipe Under Slab

If the broken drain pipe is located under the slab, it can be one of the most expensive pipe repairing projects, costing anywhere between $500 to $4,500 to detect and repair the pipe. The high cost results from the need for the plumber to break through the slab to reach the damaged pipe.

How deep are sewer lines buried?

For instance, residential sewer line depth ranges from 18 to 30 inches. However, city sewer line depths are different. Your city's sewer lines must always be deeper than the deepest residential pipe to allow waste to flow downhill. As such, these lines can go as deep as needed.

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