How Much Does Slab Leak Detection and Repair Cost for Homeowners?

Slab leak detection and repair cost varies by home and is confirmed after an on-site inspection. The biggest price swing is how accessible the leak is under the concrete and whether repair requires opening the slab or if a less invasive method will work. Cranney Home Services uses state-of-the-art locating tools to pinpoint leaks, which can limit demolition and reduce total cost. In many homes, rerouting a short section above the slab costs less long term than chasing repeat leaks in aging lines. We routinely handle these under-foundation leaks in the greater Lowell area.

When estimating, your technician will consider:

• Detection only vs. detection plus repair scope
• Access method (precise spot repair, slab opening, tunneling, or trenchless relining)
• Pipe material/condition and length of reroute or liner
• Any required water damage drying and cleanup

$50 Off Leak Detection Service may apply; terms and availability vary by job. If you notice hot spots on floors, unexplained water sounds, or rising water bills, shut off water if safe and schedule professional detection. <br/> Updated: 2026-03-14 <br/> Need help in Lowell, MA? Call (978) 716-5703 or book online.