Slab leaks are common in Houston because expansive clay soil moves concrete foundations and the pipes beneath them. A single repair usually costs from the high hundreds into the low thousands of dollars, while tunneling or whole-home repiping costs more.
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Typical Houston Costs By Method
Service
Typical Range
Notes
Electronic leak detection
$150 to $500
Often credited toward repair
Direct repair through the slab
$1,500 to $4,000
Includes breaking and patching concrete
Tunneling under the slab
$3,000 to $10,000+
Avoids breaking interior floors
Reroute the line through walls or attic
$1,000 to $4,000
Often the most practical fix
Whole-home repipe
$5,000 to $15,000+
Best after repeated leaks
What Drives The Price
Where the leak is and how much floor must be opened
Flooring type: tile and hardwood cost more to remove and replace
Whether the leak is in a supply line or a drain line
Water damage cleanup needed after the repair
What Insurance Usually Covers
Many Texas homeowners policies cover the cost to access the leak (breaking and replacing the floor) and resulting water damage, but not the failed pipe itself. Some policies limit or exclude slab leaks entirely. Check your policy and photograph damage before repairs.
Conclusion
Get accurate detection first, then compare a direct repair against a reroute. If you have had more than one slab leak, price a repipe; it often costs less than repeated repairs.
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