Pioneer Plumbing Union, OR



Leak Detection & Slab Leak Repair in Union, OR


Water leaks are deceptive. A small stain on the ceiling or a warm spot on the floor can indicate a major pipe failure hiding out of sight. We are Union, OR’s specialists in water leak detection and repair. We use advanced technology to locate hidden pipe leaks behind walls and under concrete slabs without tearing your house apart.





Precision Slab Leak Detection


A slab leak occurs when a water line buried beneath your home's foundation fails. This is a common issue in Union, OR. We use acoustic listening equipment and electronic sniffers to pinpoint the exact location of the leak. This allows us to offer targeted repairs—either opening a small hole to fix the pipe or rerouting the line through the attic—minimizing damage to your flooring.

Emergency Plumbing Repair Services




High Water Bill Investigation


Did you receive a shockingly high water bill? You likely have a leak. It could be a running toilet, a main line leak in the yard, or a slab leak. We perform a comprehensive system audit to find the source of the waste. Fixing these leaks pays for itself in utility savings.



Reliable Plumbing Maintenance Solutions
Water Heater Installation and Plumbing Repair

Minimizing Damage, Maximizing Repair


Our philosophy is non-invasive diagnosis. We don't start cutting drywall or jackhammering concrete until we know exactly where the leak is. Once located, we provide slab leak repair options that fit your budget and your home's layout. We handle everything from the plumbing repair to the moisture mitigation.





Frequently Asked Questions


  • How do you find a leak you can't see? We use microphones to listen for the "hiss" of escaping water and thermal cameras to see temperature differences caused by moisture.
  • What is a pipe reroute? Instead of digging through your concrete slab to fix a bad pipe, we often abandon the old line and run a new PEX pipe through the walls or attic. It is often cleaner and cheaper.
  • Is a slab leak an emergency?




Stop the Hidden Damage Today


Hidden leaks rot your home from the inside out. Let our advanced technology find the source so we can fix it fast.

Call for expert leak detection: (833) 963-1627





Customer Reviews

"We had a hot spot on our kitchen floor. They used a listening device, found the leak, and fixed it through a single tile. Amazing."

"My water bill doubled in one month. They found a leak in the yard I never would have seen. Saved me so much money."

"Very knowledgeable. They explained the difference between repairing the slab leak and rerouting. We chose the reroute and are very happy."





Union, OR Insights: Population,
Zip Codes, Influence, and Service Areas

Union is a city in Union County, Oregon, United States, originally platted in 1864, and located 15 miles (24 km) southeast of La Grande. It is the namesake of Union County, which references the Union states, or Northern States, of the American Civil War. The population was 2,152 at the 2020 census. The city is known for the numerous historic Victorian homes that line its Main Street, some of which are registered on the National Register of Historic Places. It is also home to Oregon State University's Eastern Oregon Agricultural Research Center, founded in 1888, which is contemporarily housed in the former Union train station.

Zip Codes in Union, OR that we also serve: 97883





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