Slab Leak Services: Detection, Repair, and Repiping
Every slab leak job has two parts: find the exact leak, then fix it the right way for your pipes. One call connects you with a local specialist for both.
What Services Do Slab Leak Specialists Offer?
Slab leak services fall into three kinds of work: detection (finding the leak without breaking concrete), repair (fixing or bypassing the damaged pipe), and repiping (replacing old lines so leaks stop coming back). Most homes need detection first, because the repair choice depends on where the leak is and what condition the pipe is in.
Nova Slab Leak Detection is a matching service. An independent local company performs the work and gives you the price before it starts.
Core Services
Start with detection if you are not sure where the leak is. All slab leak services are provided by independent local companies.
Slab Leak Detection
Non-invasive electronic detection with acoustic listening, thermal imaging, tracer gas, and pressure testing. Typical cost: $150–$500.
Slab Leak Repair
Spot repair through the slab, rerouting the line through walls or attic, tunneling, or epoxy lining. Typical cost: $1,500–$8,000 by method.
Water Line Leak Detection & Repair
For pressurized supply lines in and around the slab, including the main line from the meter to the house.
Sewer Line Leak Detection
Camera inspection and hydrostatic testing for drain lines under the slab, which leak without raising your water bill.
Whole-Home Repiping
New PEX or copper lines when the old pipe is failing in several places. Typical cost: $4,500–$15,000.
Foundation Moisture Assessment
Moisture mapping and written findings for buyers, sellers, and insurance documentation.
Emergency Leak Detection (24/7)
Active or fast-moving leak? Shut off the main valve and call any hour.
Commercial Slab Leak Detection
After-hours detection for restaurants, hotels, offices, retail, and warehouses.
IN DETAIL
Slab Leak Services Explained
Here is what each of our slab leak services involves, when you need it, and what it typically costs. Prices are national estimate ranges as of 2026.
Slab leak detection
A non-invasive test that confirms a leak under the slab and marks its location, usually within 1 to 3 feet. Technicians combine acoustic listening, thermal imaging, tracer gas, and pressure testing. Most visits take 1 to 3 hours and cost $150 to $500. How slab leak detection works.
Slab leak repair
The fix that follows detection. Depending on the pipe, that is a spot repair through the slab ($1,500 to $4,500), a reroute through walls or the attic ($3,500 to $7,000), tunneling under the slab ($3,500 to $8,000), or epoxy lining ($3,000 to $6,000). A single spot repair is often done in a day. Slab leak repair options.
Water line leak detection and repair
Covers pressurized supply lines in and around the slab, including the main line between the meter and the house. A leak here moves your meter and raises your bill even when nothing shows indoors.
Sewer line leak detection
Drain lines are not pressurized, so they leak without changing your water bill. Signs are slow drains, sewage odor, and soil settling. A camera inspection and a hydrostatic test show where the line has cracked or separated.
Whole-home repiping
Replaces every supply line with new PEX or copper, usually routed through walls and the attic instead of the slab. It is the lasting answer when a home has had repeated leaks. Typical cost is $4,500 to $15,000, and most homes take two to five days.
Foundation moisture assessment
Moisture mapping and written findings for buyers, sellers, and insurers. It shows how far water has spread and whether an active leak is the cause.
Emergency leak detection
For water surfacing through floors or a leak you cannot stop. Shut off the main valve first. Our phone line is open 24 hours a day, and after-hours visits usually cost more than daytime ones.
REPAIR METHODS
Slab Leak Services Compared: Five Ways to Fix a Leak
After detection marks the spot, slab leak services come down to five repair methods. The right one depends on the age of your pipe, your flooring, and how many leaks you have had.
- Spot repair. A small section of slab is opened and the damaged pipe is replaced. Lowest cost when the rest of the line is sound.
- Reroute. The leaking line is abandoned and a new one is run through walls or the attic. No concrete is opened.
- Tunneling. Workers dig under the slab from outside, so floors and living space stay untouched.
- Epoxy lining. The inside of the pipe is coated to seal pinholes. Suited to several small leaks in one accessible line.
- Whole-home repipe. All supply lines are replaced with PEX or copper. The lasting fix when leaks keep returning.
Ask for at least two options priced side by side, with what each means for your floors, water shutoff time, and warranty.
CHOOSING WELL
How to Choose Among Slab Leak Services
Let the condition of the pipe decide, not the price of the first quote. One leak in a 15-year-old line is a repair. A third leak in a 40-year-old copper system is a sign the pipe is at the end of its life, and another spot repair only buys time.
- Ask how old the pipe is and what it is made of.
- Ask whether the leak is on a hot or cold line, and whether other sections show corrosion.
- If your slab is post-tension, confirm how the cables will be located before any concrete is cut.
- Check the company’s license with your state board before work starts.
- Get the warranty in writing.
Leaks waste more than most people expect. The EPA estimates the average household’s leaks can waste more than 9,300 gallons of water a year (EPA WaterSense), so a prompt repair also lowers your bill.
Which Service Do I Need?
| What you are noticing | Likely first step |
|---|---|
| High water bill, meter moving with taps off | Slab leak detection |
| Warm spot on the floor | Slab leak detection (hot-water line) |
| Sewage smell, slow drains, no bill change | Sewer line leak detection |
| Second or third leak in a few years | Detection, then a repiping quote |
| Water on the floor right now | Emergency leak detection |
| Buying or selling a home with moisture findings | Foundation moisture assessment |
Prices above are national estimate ranges as of 2026. Your price depends on your home, your market, and the method.
Frequently Asked Questions
Not Sure Which Service You Need?
Call and describe what you are seeing. We will connect you with a local slab leak pro who can tell you the right first step.