How much does it cost to replace a sewer line under a house?

Author: Leopold Hahn  |  Last update: Sunday, May 18, 2025

On average, the cost of replacing a sewer line can range from $3,000 to $6,000, depending on several factors.

How much does it cost to replace a sewer line in a house?

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.

Does homeowners insurance cover sewer lines?

In most cases, home insurance will cover sewer line damage from specific events. This includes extreme weather (excluding earthquakes and floods), vandalism, fire, and damage from vehicles or falling objects.

How do I fix my sewer pipe under my house?

With the foundation cut or broken open, or the driveway trenched under you can see the sewer line and find the break. You then cut out and remove the damaged section of the sewer line and replace it. With replacing or working with the sewer line, it is important to remember to keep the original drain slope.

How long does it take to replace main sewer line?

Typically, to replace a sewer line it can take anywhere from 1 to 2 days, to 3 to 5 days. In some rare cases, it may even be as quick as one day. Generally, the estimated time frame will depend on the layout of your property, your home's piping system, and the depth required to excavate.

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

What is the life expectancy of a sewer line?

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 do I know if my sewer line needs to be replaced?

7 Warning Signs Your Sewer Line Needs to Be Replaced
  1. There's a Spike in Your Water Bill. ...
  2. You Hear Gurgling Coming from the Pipes. ...
  3. The Water Is Slowly Draining. ...
  4. Your Yard is Soggy. ...
  5. The Smell of Sewage Lingers. ...
  6. Pests Are Attracted to Your Yard. ...
  7. The Toilet Bowl Water Level Is Up and Down.

How much does it cost to fix a broken pipe under the house?

To fix a broken water pipe, homeowners can expect varying costs depending on the damage's severity and location. Minor DIY repairs might cost between $10-$50, while professional services range from $50 to $600, escalating in emergencies. For extensive damage, such as pipes under a foundation, costs can be $500-$4,000.

How do you replace a sewer line without digging?

4 Types of Trenchless Sewer Repairs
  1. CIPP. Cured-in-place pipe (CIPP) technology relines damaged pipes by inserting a fiberglass tube coated with epoxy resin into the damaged pipe and then blowing it up like a balloon. ...
  2. Pipe Bursting. ...
  3. Spray Lining/Brush Coating. ...
  4. Slip Lining.

How do you unclog a main sewer line under your house?

Your step-by-step guide: How to clear a main sewer line clog
  1. Loosen the cap on the drain pipe. ...
  2. Allow any sewer buildup to come out of the drain. ...
  3. Gently feed the auger cable into the main line drain. ...
  4. Run the auger until the clog is broken up. ...
  5. Hose out leftover debris. ...
  6. Pull the auger cable back out of the main line drain.

Is sewer line replacement tax deductible?

As a general rule, sewer line repairs are considered to be standard home maintenance expenses, which means you are not eligible for a tax break on your personal income tax returns.

How much is sewer line insurance?

Sewer line coverage varies in cost but can generally be obtained for $5 to $15 per month, depending on your property size and the area in which you live. Because sewer line incidents often cost upwards of $10,000 to repair, many homeowners consider sewer line coverage a good investment.

How often should a sewer line be cleaned?

Expert Recommendations for Sewer Line Cleaning

We recommend homeowners schedule sewer line cleaning every 18 to 24 months to prevent buildup and clogs. Regular cleanings help avoid costly repairs and extend the life of your plumbing system.

Can you replace main sewer line yourself?

As we mentioned above, it's certainly possible for a homeowner to perform sewer line replacement or sewer line repair. However, it's definitely not an easy job. When you replace the sewer line yourself you run the risk of causing even more damage.

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.

Does replacing sewer line increase home value?

If your sewer line is damaged, it could delay or even halt a possible sale. Even if you do sell the property, you could have to accept a lower price or make concessions. However, getting trenchless sewer line repair done can improve the value of your place.

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.

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 long does it take to replace a sewer line?

Once again, how long it takes to replace a sewer line depends on a number of factors, but most residential sewer line placements take between one to three days. If you know what you're doing and have the proper equipment to get the job done, the job can hopefully get finished quickly and efficiently.

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 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 fix a broken sewer pipe under your house?

The most effective way is to locate the pipes, and break the concrete enough to access them, excavate the soil and gravel, repair the pipes, and backfill, then pour new concrete over the open area, trowel it smooth and repair/replace any floor covering that existed before the work.

Do plumbers check sewer lines?

Professional plumbers can use various camera styles to inspect the sewer line, such as: Remote-controlled crawler cameras. Pole or fixed zoom cameras. Push rod cameras.

Should you repair or replace your sewer line?

Sewer line repair is recommended when there are cracks or holes in your sewer line. If damage is severe, replacement of the line is recommended. A pipe leak test must be performed, then there are two ways to proceed. The first is with trenchless repair.

How do you tell if sewer line is clogged or broken?

When the sewer line that carries waste away from the house is blocked, you'll notice the four signs that follow.
  1. All Your Drains Reek. ...
  2. Your Drains Are Blocked or Slow-Moving. ...
  3. You Hear Loud Gurgling Sounds Coming From Your Pipes Throughout Your Home. ...
  4. You Have an Unnaturally Lush Landscape or a Smelly, Sunken Lawn.

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