Slab leak cost calculator
Select your access method and repair type to see the cost range for slab leak detection, access, repair, and restoration.
Your dimensions
Detection
$150 to $400
Access: $500 to $3,000 · Repair: $150 to $2,000 · Restore: $300 to $6,750 · Total estimated cost: $1,100 to $12,150
Prices are typical ranges as of June 2026. Your local price will vary.
Assumptions
- •Costs vary by region, access, and contractor. Ranges on this page are compiled from the sources listed on our methodology page. Get at least two local quotes.
- •All figures are national averages and do not include labor markups or regional multipliers.
- •Slab restoration cost is included only when the slab must be opened (jackhammer or tunnel access).
- •Rerouting costs include overhead access labor but omit slab restoration since the slab remains closed.
- •High-cost metros in AZ, CA, FL, and TX may exceed these ranges; always request two local quotes.
Questions this calculator answers
What is the most common way to repair a slab leak?
Spot repair is the most common and lowest-cost option when the leak is in a pinhole or small section of pipe. A plumber will locate the leak, cut through the slab, repair or replace the damaged section, and patch the concrete.
When should I reroute instead of spot repair?
Rerouting is chosen when the pipe has multiple leaks, is beyond repair, or the leak is in a difficult-to-access location. New overhead lines bypass the slab entirely, eliminating future leak risk in that line.
What is epoxy pipe lining?
Epoxy lining, or cured-in-place pipe (CIPP), is a trenchless method that coats the interior of the existing pipe with a hardened resin. It seals pinhole leaks without breaking the slab and costs less than rerouting.
Do I need to factor in slab restoration cost?
Yes, when a plumber cuts through the slab to access the pipe, the concrete patch afterward is a separate line item. Rerouting and epoxy lining usually require little or no slab work.
Do slab leak repair costs vary by state?
This calculator shows national ranges. Some high-cost metros and tight labor markets, including parts of Texas, California, and Florida, can run above these ranges, so always get two local quotes for an accurate estimate.