Slab Leak Reroute vs Spot Repair: Which Is Right for Your Arlington Home?

A spot repair breaks the slab at the leak and fixes that one section of pipe. It often costs about $1,500 to $4,000 and is done in a day. A reroute abandons the leaking line under the slab and runs a new one through the attic or walls, usually in 1 to 2 days. Choose a spot repair for a single leak on newer pipe. Choose a reroute when the pipe is old, the leak sits under tile or wood floors, or it is not the first leak. Call (817) 285-5426 for a clear price.

Our slab leak repair in Arlington TX team does spot repairs, reroutes, tunneling and PEX repipes, so you get a straight answer on which one fits your home, not the one that is easiest to sell.

What is the difference between the 3 main fixes?

A spot repair fixes the pipe where it leaks by breaking through the floor and slab. A reroute leaves the old pipe in place and runs a new line above the slab. A repipe replaces most or all of the water lines in the home. Spot repairs fix one leak. Reroutes and repipes fix the pipe run or the whole system.

When does a spot repair make sense?

A spot repair makes sense when the home has had one leak, the pipe looks healthy around it, and the floor above is easy to cut and patch, like carpet or a utility area. The technician can see the pipe once the slab is open, so ask what it looked like. Clean pipe means the repair should last.

• First slab leak in the home
• Pipe near the leak shows little corrosion or thinning
• Leak sits under carpet, a closet or a garage
• Main line, not a hot water line that runs through the whole slab

Spot repairs often cost about $1,500 to $4,000, including breaking and patching the slab. Flooring is extra. See our slab leak repair cost guide for the full breakdown.

When is a reroute the better choice?

A reroute is often better when the leak sits under tile, stone or hardwood that would be costly to break, when the pipe is old copper with more pinholes coming, or when this is the second or third leak on the same line. Hot water lines are frequent reroutes, because heat speeds up wear on copper buried in the slab.

Arlington's clay soil matters here. It shrinks in summer droughts and swells after heavy rain, which moves the slab and stresses the pipes inside it. A pipe that leaked once from that movement can leak again a few feet away. A reroute takes the line out of the slab, so foundation movement no longer reaches it. Our guide on hot water slab leaks explains the warm-floor signs.

What about a full repipe?

A full repipe replaces most of the home's water lines, usually with PEX run through the attic and walls. It is the right call when a home has had several leaks, has polybutylene pipe, or has copper that is thin and pitted throughout. It costs the most up front, but it ends the cycle of breaking floors.

Before you decide, it helps to see what a whole-home repipe might cost for your square footage. A house repiping cost calculator gives a rough range by home size and pipe type, so you can compare it with the price of repeat spot repairs. Homes from the 1970s and 1980s in north and central Arlington are the most common repipe candidates, and our guide to polybutylene pipes covers that pipe type.

What questions should you ask before choosing?

1. Where exactly is the leak, and what floor sits above it?
2. Is it hot or cold water, and is it the main line or a branch?
3. What did the pipe look like on camera or once exposed?
4. Is this the first leak? Check old invoices if you bought the home recently.
5. What is the full price for each option, including slab patch and drywall?
6. Who handles the flooring and how long will the water be off?

How do you know the leak was found in the right spot?

Every fix starts with accurate leak detection. A good technician isolates the hot and cold lines, then pinpoints the leak with acoustic gear and thermal imaging, often within a foot or two. That accuracy keeps a spot repair small and tells you which line a reroute must replace.

Our guide to leak detection arlington homeowners book walks through a detection visit step by step. Slab leak detection runs about $250 to $600. If you still need the leak found, start with our slab leak detection in Arlington service.