NJ Professional Leak Detection Services
★ Trusted by 13,202+ Customers
Water leaks aren’t always obvious. While some appear beneath a sink or around a fixture, others develop behind walls, beneath floors, under concrete slabs, or underground where they can go unnoticed for weeks or months. Even a small leak can waste water, damage building materials, encourage mold growth, and increase your utility bills. Since 1986, Harris has helped New Jersey homeowners locate hidden leaks and recommend the right repair solution before the problem becomes more extensive.
Finding a leak requires more than fixing the visible damage. Our technicians identify the source of the leak, evaluate how it affects your plumbing system, and explain the best repair options for your home. Whether you need emergency leak detection or have noticed signs of a slow plumbing leak, Harris provides professional leak detection services throughout New Jersey.
If you suspect a hidden water leak, schedule professional leak detection with Harris before minor water damage becomes a larger plumbing repair.

Signs You Need Leak Detection
Water leaks aren’t always easy to find. Scheduling leak detection early can help minimize damage and prevent unnecessary repairs.
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Unexpected increase in your water bill. A hidden leak can waste hundreds of gallons of water without obvious signs.
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Water stains on walls or ceilings. Discoloration often indicates moisture behind finished surfaces.
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Musty odors indoors. Persistent damp smells may point to concealed water leaks.
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Low water pressure. Damaged water lines can reduce pressure throughout your plumbing system.
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Sounds of running water. Hearing water when fixtures aren’t in use may indicate a hidden plumbing leak.
Our Leak Detection Services
Water leaks can develop anywhere within your home’s plumbing system, and finding the source isn’t always straightforward. Harris provides professional leak detection services to locate hidden leaks, identify the cause of the problem, and recommend the right repair. As part of our comprehensive plumbing services, we help homeowners protect their property from unnecessary water damage and costly repairs.
Hidden Plumbing Leak Detection
Not every plumbing leak is visible. Water lines running behind walls, beneath floors, and through ceilings can develop leaks that remain hidden until noticeable damage appears. Our technicians use professional leak detection methods to locate the source while minimizing unnecessary disruption to your home.
Sink Leak Detection and Repair
Leaks beneath kitchen and bathroom sinks often begin at water lines, shut-off valves, drain assemblies, or plumbing connections. We identify the source of the leak and recommend the appropriate plumbing repair before water damages cabinets, flooring, or surrounding materials.
Slab Leak Detection
Water lines installed beneath concrete foundations can develop leaks due to age, shifting soil, corrosion, or pipe damage. Signs of a slab leak may include warm spots on the floor, unexplained moisture, rising water bills, or the sound of running water. Our technicians locate slab leaks and explain the available repair options.
Emergency Leak Detection
Some leaks require immediate attention to help reduce water damage and protect your home. If you’re experiencing active water intrusion, rapidly increasing water damage, or a major plumbing leak, Harris provides emergency plumbing services to identify the source as quickly as possible.
Water Leak Repair
Once the leak has been located, we’ll explain the condition of the affected plumbing and recommend the most effective repair. Depending on the location and severity of the leak, repairs may involve replacing a damaged pipe, repairing plumbing connections, or addressing worn fixtures and valves.
Why Leak Detection Matters
Locating a leak early can help prevent extensive damage throughout your home. Water that escapes behind walls, beneath flooring, or under a concrete slab can weaken building materials and create conditions for mold growth before visible signs appear.
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Reduces water waste. Hidden leaks can significantly increase monthly water usage.
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Helps prevent property damage. Early detection can limit damage to drywall, flooring, cabinetry, and insulation.
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Protects your plumbing system. Identifying leaks early helps prevent additional wear on connected plumbing components.
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Supports lower utility bills. Repairing leaks eliminates unnecessary water loss.
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Provides accurate repairs. Professional leak detection helps ensure repairs address the actual source of the problem.

Book online or call to schedule a service today!
Need service? Our team is just a phone call away.Why Professional Leak Detection Matters
Finding a leak early can help prevent damage that extends far beyond the plumbing itself. Hidden leaks can waste water, weaken building materials, and create costly repairs if they’re allowed to continue unnoticed.
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Helps prevent water damage. Locating leaks early can reduce damage to drywall, flooring, cabinets, ceilings, and other parts of your home.
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Reduces water waste. Even a small plumbing leak can waste a significant amount of water over time and increase your monthly utility bills.
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Protects your plumbing system. Identifying leaks before they worsen can help prevent additional damage to connected pipes, fittings, and fixtures.
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Supports healthier indoor conditions. Addressing hidden leaks promptly can help reduce excess moisture that contributes to mold and mildew growth.
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Provides accurate repairs. Professional leak detection identifies the source of the problem so repairs address the leak itself instead of just the visible symptoms.
Schedule Leak Detection Service Today
Don’t wait for a hidden leak to become a major plumbing problem. Contact Harris today to schedule professional leak detection services in New Jersey and let our technicians locate the source before it causes additional damage. A Harris home is a happy home.

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Serving South Jersey, Including Woodbury, Salem & Surrounding Communities
Harris Plumbing, Heating, Air, & Electric has been serving the communities in New Jersey for over 40 Years. Even if you don’t see your county listed, give us a call to find out if we can make it out to your home.- Camden County
- Burlington County
- Gloucester County
- Cumberland County
- Salem County
- Atlantic County
- Cape May County
- Mercer County
- Ocean County
- Monmouth County
- Middlesex County





