Professional Plumbing Leak Detection

Plumbing leaks aren’t always visible, but they can cause serious damage if left untreated. From hidden pipe leaks behind walls to slab leaks under concrete foundations, D.M. Kelly Mechanical specializes in locating leaks quickly and accurately. Using modern diagnostic tools and proven methods, we identify the source of the problem with minimal disruption and provide clear recommendations for repair.

What We Offer

• Hidden Leak Detection — Locating leaks behind walls, ceilings, and floors without unnecessary demolition.

• Slab Leak Detection — Identifying leaks beneath concrete foundations that can cause structural damage and high water bills.

• Water Line Leak Detection — Finding leaks in main water lines, yard lines, and underground piping.

• Fixture & Appliance Leaks — Diagnosing leaks related to faucets, toilets, water heaters, dishwashers, and washing machines.

• Non‑Invasive Testing — Use of pressure testing, acoustic detection, moisture meters, and visual inspection to pinpoint leaks efficiently.

• Tracer Gas Testing — Pumps a mixture of hydrogen and nitrogen into the line, using specialized equipment to sniff out the leak.

Signs You Need Service

• Unexpected increase in water bills

• Sound of running water when fixtures are off

• Damp spots on walls, ceilings, or floors

• Mold or mildew odors with no visible source

• Water stains or discoloration

• Cracks in foundation or flooring

• Low water pressure throughout the home

If you notice any of these warning signs, it’s important to act quickly. Our team will locate the leak, explain the findings, and help you prevent further damage to your home.

Common Questions

How do you find leaks without opening walls? We use specialized equipment such as acoustic listening devices, pressure testing, and moisture detection tools to isolate leaks with minimal disruption.

Are small leaks really a big issue? Yes. Even slow leaks can lead to mold growth, structural damage, and high water bills if not addressed promptly.

Do you repair the leak after detection? Yes. Once the leak is located, we’ll review repair options and can handle the repair or replacement if approved.

How long does leak detection take? Most residential leak detection appointments take 1–2 hours, depending on the complexity and location of the leak.

Is leak detection messy or invasive? Our approach is designed to be as non‑invasive as possible. When access is required, we clearly explain why and keep disruption to a minimum.