How do I find a broken pipe under concrete?

Author: Jaylon Bechtelar  |  Last update: Sunday, June 21, 2026

Signs Of A Leak Under Concrete
  1. 1). There is water or damp spots on your floor. If hot-water lines are leaking, this may also lead to warm spots on your floor. ...
  2. 2). You can hear the sound of rushing water underneath your floor. ...
  3. 3). There is a significant increase in your water bill.

How do I find a broken underground drain pipe?

To find a broken or collapsed section of pipe, we use our Drain Cleaning Machine. We send the cable down the line and listen as the cable runs through the pipe. You can actually here the cable in the ground. It makes a Clicking sound. When the cable stops, or we cannot push it through any further, we listen for the sou.

Does homeowners insurance cover broken pipes under slab?

NO, your homeowner's, dwelling fire nor commercial property insurance policies do NOT pay to chip out your slab, replace the pipes and cementing them back is NOT covered.

How do I find water pipes under my concrete floor?

Use a Thermal Imaging Camera. Prepare the thermal imaging camera by ensuring it's fully charged and set to the appropriate sensitivity level. Start scanning the concrete floor, focusing on areas where water pipes are most likely to be located, such as near utility entry points or bathroom/kitchen fixtures.

How do I find a broken pipe under my slab?

Locating Plumbing Leaks Under A Concrete Foundation
  1. Water leaks under a slab foundation are not always obvious, look for these signs:
  2. A decrease in water pressure.
  3. Increase in water usage.
  4. The sound of water running.
  5. Check for hot spots on the floor.
  6. Take a good look around the outside of your building.

HOW TO FIND AND FIX A BROKEN PIPE UNDER SLAB

Is there a way to find water pipes underground?

Today, the best tool for the job is ground penetrating radar (GPR) as it accurately maps metal and PVC pipes. Traditional pipe locators use electricity and magnets to locate underground pipes.

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

Under-slab repair: After locating a leak, a plumber must demolish a portion of the foundation to access the pipe. Depending on the location of the leak and the severity of the damage, this can cost anywhere between $500 to $4,000.

How do you fix a broken water pipe under a slab?

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.

Who is responsible for a broken water pipe?

If a water main breaks, your city or town is responsible for fixing the break, but you often will be responsible for repair or replacement of the water main supply line connected to your house. If your home is damaged from a public water main break, contact your municipality as well as your insurance company.

How do you find a burst water pipe underground?

Here are some signs to look out for underground water leaks:

A decrease in water pressure. Cracked pavement area. A sudden increase in water usage and costs. Visible potholes.

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 to tell if you have a broken pipe underground?

Signs of a Broken Underground Water Pipe
  1. Signs of Underground Water Leaks. If your lawn is irrigated and you notice areas that aren't getting enough water, check the sprinkler heads to make sure they aren't damaged. ...
  2. Standing Water in Your Yard. ...
  3. Moldy or Mossy Areas. ...
  4. Drop in Water Pressure. ...
  5. Other Signs of Water Problems.

How to find a broken drain pipe underground?

The best option is to use a pipe locator to trace the pipe. Mark it above ground with stakes and/or flags. This will help you to be very precise when you dig. It is also a good idea to locate other utilities that may be running through the same section of ground.

What is the app that finds pipes underground?

Wire and Pipe Finder is a free Android app developed by One Spire that can detect AC live wires, copper, pipes, metal objects underground, floor, and inside the walls. The app is perfect for those who want to drill into walls but don't want to take the risk of damaging electrical wires and pipes.

How deep is plumbing under concrete?

If you stay in a warmer region (e.g., California), you may only need to run the pipe around 12 – 24 inches (3.48 – 60.96 cm) underground. Since there is no intense cold, there is no risk of freeze damage. If you stay in a colder region (e.g., Alaska), you will need to go deeper.

How to find broken pipe under slab?

Warm Spots on Floors: If you feel warm or hot spots on your flooring, it could indicate a leak in a hot water line under the slab. Damp or Musty Odors: Excess moisture can lead to mold and mildew growth, causing a persistent musty smell inside your home.

Does homeowners insurance cover slab leaks?

If a peril that's covered by your homeowners insurance policy results in a plumbing leak under your slab creating a slab leak, your homeowners insurance policy might help pay to tear out and replace the slab and repair the water damage to your home.

Can pipes burst under concrete?

A pipe may burst anytime and begin to leak water into the surrounding soil. The soil will then begin to shift, compromising the overall foundation of the home as the concrete cracks. Once a home's concrete cracks, water leakage becomes noticeable and the damage more expensive.

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.

How do you fix a broken pipe under a slab?

This method involves precisely locating the leak using specialised equipment and then breaking through the concrete slab to access the damaged pipe. The plumber will then cut out the faulty section and replace it with a new pipe, usually made of copper or chlorinated polyvinyl chloride (CPVC) pipe.

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.

How do you trace water pipes underneath the ground?

How do you locate an underground water pipe?
  1. Signal Generators. A signal generator is connected to a conductive material such as copper pipe with a secondary cable earthed into the ground through an earthing spike. ...
  2. Comophone knocker. ...
  3. Glass Fibre Reel. ...
  4. CCTV Drain Camera.

How does a plumber find a water leak underground?

Plumbers find underground leaks using methods like electronic leak detection, acoustic sensors, and infrared thermography. These tools help detect the sound or temperature changes caused by leaks, allowing for precise identification without unnecessary digging.

Is there a tool to find a water leak underground?

Ground Penetrating Radar (GPR) is a powerful tool for finding underground pipe leaks. By transmitting radar energy into the ground and monitoring the strength and time delay of any reverberations, it can detect changes in underlying soil or structural irregularities that could signify a leak.

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