Leak & Under-Slab
Under-Slab Plumbing Replacement in Houston & Texas City
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When Your Pipes Run Under a Concrete Slab, Replacing Them Takes More Than a Shovel — It Takes the Right Team.

Licensed & InsuredMaster Plumber #M41042
Quick AnswerUnder-slab plumbing replacement in Houston, Texas City, and surrounding areas. Slab leak repair, pipe replacement, tunneling. Licensed Master Plumber. Upfront pricing.
Overview
Under-Slab Plumbing Replacement in Houston & Texas City
Many older homes throughout Houston, Texas City, and the surrounding areas still contain aging galvanized piping beneath the slab. Over time, galvanized pipes can begin corroding internally, restricting water flow and eventually developing underground leaks beneath the foundation. Homeowners may notice recurring leaks, low water pressure, rusty or discolored water, unexplained increases in water bills, or signs of moisture-related foundation concerns as the piping system continues to deteriorate. Tunneling allows our team to safely access plumbing beneath the foundation without excessively damaging interior flooring. Instead of jackhammering through the home, we excavate beneath the slab to reach and replace damaged underground piping.
In many cases, outdated galvanized piping is replaced with modern plumbing materials designed for improved durability, corrosion resistance, and long-term reliability. Depending on the condition of the plumbing system, our team may recommend partial underground replacement or a larger repiping solution tailored to the property.
As part of our due diligence, Buddy’s Plumbing pulls required permits and obtains engineering documentation if needed based on the scope of work and local jurisdiction requirements.
How Buddy’s Helps
Buddy’s Plumbing offers under-slab plumbing replacement, tunneling, underground water line replacement, leak detection, and repiping services for homes experiencing underground plumbing leaks or failing galvanized piping systems. Rather than continuing to perform repeated spot repairs on aging underground lines, replacing deteriorated piping may provide a more reliable long-term solution.
Our Work
Seen it all
Decades of jobs — one at a time. A sample of what our team handles every day.




Neighbors Talk
Trusted across Houston & Texas City
4.7★★★★★Based on 145 Google reviews
★★★★★
“Toilet was fighting for its life. These guys won. Highly recommend — ask for Rolando!”
AAndyVerified Google Review
★★★★★
“Buddy’s Plumbing — where I actually wish they were my buddies! Rolando’s service was top tier and took care of my problems. Very satisfied.”
NNathalie P.Verified Google Review
★★★★★
“Reliable, honest, professional, and very fair prices. We have multiple properties and I never hesitate to call. Integrity and high-quality workmanship.”
LLisa M.Verified Google Review
FAQ
Frequently Asked Questions
Call today and let’s get your plumbing back to normal.
Yes. Every job is completed by licensed plumbers under Licensed Master Plumber #M41042. Buddy’s Plumbing has been family-owned and operated since 1967.
Yes. We provide a clear, flat-rate quote before any work begins — no surprises. We also offer senior citizen, military, and educator discounts.
We serve Houston, Texas City, Humble, League City, La Marque, Hitchcock, and surrounding communities from two office locations, available 24/7.
