How do you fix a broken pipe under the house?

Author: Luz Hamill II  |  Last update: Saturday, May 17, 2025

One popular technique used by professional plumbers for repairing a broken underground pipe is trenchless pipe repair. This technique involves locating the access point of the pipe and inserting a resin or acrylic patching material and maneuvering it into the place where the crack or damage is located.

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

In situations where the broken pipe is under your home's foundation or within a concrete slab, repair costs can jump to $500-$4,000. For homes needing new copper piping or a complete plumbing system overhaul, the investment can range from $2,000 to $15,000.

Does insurance cover broken pipe under a house?

Water damage from a broken pipe is typically covered under homeowners insurance, as it's considered a sudden and accidental event. However, coverage may vary depending on policy specifics, such as exclusions for neglect or lack of maintenance.

What to do if a pipe bursts under your house?

Here are five tips from Consumer Reports:
  1. Shut off the water. Turn off the water main (or main water valve) to your home, to minimize water damage.
  2. Open your faucets up. ...
  3. Call a plumber. ...
  4. Begin getting rid of the water. ...
  5. Contact your insurance provider.

How to fix a broken pipe in the foundation?

Traditional Slab Leak Repair

One of the oldest and most common methods for fixing an under-slab leak is by breaking through the foundation. In this process, professionals will use tools like jackhammers to access the pipe, repair the damage, and then restore the foundation.

How to Repair a Sewer Pipe Under a Concrete Slab | This Old House

How to fix a broken pipe under the house?

One popular technique used by professional plumbers for repairing a broken underground pipe is trenchless pipe repair. This technique involves locating the access point of the pipe and inserting a resin or acrylic patching material and maneuvering it into the place where the crack or damage is located.

How much does it cost to replace a sewer pipe under the basement floor?

Most homeowners end up paying around $150 per linear foot. Since the average cost for replacing a sewer line is between $1,300 and $4,900, this means the average length of repairs is between nine and 33 linear feet.

How do you know if you have a broken pipe under the house?

A burst pipe can lead to standing water in hidden spaces, like the walls or under the floor. Stagnant water can create a foul smell that permeates your home. If you feel a musty or mildew-like odor but can't locate the source, you may have a hidden water leak caused by a burst pipe.

Who is liable for burst pipes?

Owners are responsible for the repairs to damage within their units. In the event that the burst pipe was caused by a unit owner's negligence, then the ultimate responsibility for all the damage may belong to the owner.

How do plumbers fix burst pipes?

  1. Shut Off the Water Supply.
  2. Locate the Damage in the Pipe.
  3. Determine the Placement of a New Fitting.
  4. Drain the Pipes.
  5. Position the Valve.
  6. Cut the Copper Pipe to Length.
  7. Clean the Pipe and Valve.
  8. Add Flux and Connect the Pipe.

Does homeowners insurance cover water leaks under foundation?

Homeowners insurance generally does not cover maintenance issues or wear and tear. So, if a slab leak results when tree roots damage your plumbing, or from plumbing lines that are simply past their prime, a typical homeowners insurance will not pay for repairs.

How much does it cost to repair a slab leak?

The average cost of slab leak repair is $2,300. * Depending on the extent of the problem, repairs may cost as little as $630 or as much as $4,400 or more. The location of the leak is the most relevant factor to cost because this determines how difficult it is to access and repair the leak.

Who is responsible for damage caused by a water main break?

When a water main break occurs on public property, it is generally the responsibility of the town, city, water utility company, or other public agency that oversees water distribution to fix it.

Does insurance cover broken pipe under house?

Homeowners insurance typically covers losses resulting from a sudden malfunction, such as a pipe bursting unexpectedly. However, a homeowners policy won't cover slow, constant leaks or other plumbing problems resulting from neglect or improper maintenance.

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.

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.

Who is responsible for a burst pipe?

If you're a tenant and there's a water leak from pipes in the property you rent, you have to get the homeowner or landlord to fix it. If they fail to repair it properly and there's a risk to your health or ability to live in the property, you can contact the water authority.

How do I file an insurance claim for a burst pipe?

How to file an insurance claim for a burst pipe
  1. Review your insurance policy. It's important to understand what your home insurance policy does and doesn't cover. ...
  2. Gather essential documentation. ...
  3. Provide a detailed report to your insurance company. ...
  4. Prepare for your insurance adjuster's visit.

Do you call a plumber for a burst pipe?

Call a plumber to make sure the pipe is repaired quickly and correctly. Attempting to repair the pipe yourself may cause further damage, so it's best to rely on the experts.

How do plumbers fix pipes under house?

As we mentioned, the new pipe is pulled through the old pipe, bursting it in place with a new HDPE sewer pipe. Once the new pipe is inserted, the plumber ensures everything works correctly and does a camera inspection. We then backfill the access holes. Unfortunately, there is no way to remove the old pipe.

How much to fix a broken pipe under the house?

On average, homeowners can expect to pay anywhere from $150 to $2,000 for a simple pipe repair. However, if the pipe is under a concrete slab or in a hard-to-reach location, the cost can skyrocket to between $500 and $4,000 or more.

What happens when a pipe bursts under your house?

Water damage to your house's structure and interior surfaces: Water from the leak can seep into walls, ceilings, floors, the foundation, and cause a basement flood, which can weaken the structure's integrity. A deluge of water from a burst pipe can collapse a ceiling or walls.

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.

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.

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.

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