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Horizon Services

Find Hidden Leaks Before They Become Disasters with Leak Detection Services

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For nearly 40 years, we’ve been your trusted plumbing partner

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Protect your home with expert leak detection from Horizon



  • Upfront pricing with no surprises

  • Licensed, professional plumbers

  • Fully stocked service vehicles for faster repairs

  • Fast diagnosis and professional recommendations

Even a small leak can lead to big problems over time, from water damage and mold growth to rising utility bills. Horizon provides professional leak detection in Delaware, Southeastern Pennsylvania, South Jersey, and parts of Maryland to help homeowners locate hidden issues before they become costly emergencies. Our licensed technicians use advanced diagnostic equipment to pinpoint leaks in plumbing, water lines, gas lines, and even under concrete slabs with precision and minimal disruption to your home.

Water leak detection for everyday plumbing

Leaks in your standard plumbing system may not always be visible, but they can cause significant damage if left untreated. Horizon’s water leak detection services identify leaks in supply lines, pipes, and fixtures throughout your home.

Whether it’s a slow drip behind a wall or a leaking pipe under your sink, our team locates the source quickly and recommends the right repair solution.

Learn more about water leak detection.

Gas leak detection for safety and peace of mind

Gas leaks can be dangerous if undetected. Horizon offers basic gas leak detection services as part of our comprehensive leak inspection process, ensuring that your home’s gas lines are safe and compliant.

Our licensed technicians identify potential issues and provide solutions to keep your family protected.

Learn more about gas leak detection.

Signs you may need leak detection

Hidden leaks often show subtle signs before visible damage appears. Call Horizon if you notice:

  • Unusually high water or gas bills

  • Water stains, warped floors, or bubbling paint

  • Damp or musty odors

  • Mold or mildew growth

  • Low water pressure or inconsistent flow

  • Unexplained hissing or gas smells

Trust Horizon with professional leak detection services

DIY leak fixes often miss the root cause, creating recurring problems. Our professional leak detection services:

  • Pinpoint leaks behind walls, under floors, or underground

  • Prevent costly water or structural damage

  • Ensure safe and accurate repairs

  • Protect your home, foundation, and plumbing system

With expert leak detection from Horizon in Wilmington, Newark, West Chester, Mount Laurel, and Baltimore and surrounding areas, you can catch problems early, prevent emergencies, and enjoy peace of mind knowing your home is safe and secure.

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From hidden drips to slab leaks, Horizon Services is here to help

Homeowners across Delaware, Southeastern Pennsylvania, South Jersey, and Maryland’s Eastern Shore rely on Horizon for professional leak detection. Our licensed plumbing technicians use advanced tools to locate hidden water leaks, slab leaks, and basic gas leaks quickly and accurately.

We proudly serve Wilmington, Newark, Dover, Philadelphia, and surrounding areas, providing fast response, expert repair recommendations, and a 100% satisfaction guarantee to protect your home from water damage and plumbing emergencies.

Why Horizon
A Horizon technician arrives at a home, ready to provide expert HVAC, plumbing, and electrical services.

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Questions about our leak detection services?

Not seeing what you’re looking for? Give us a call, and we’ll happily help.

Common signs include unusually high water or gas bills, damp spots on walls or floors, musty odors, low water pressure, or unexplained sounds like hissing or gurgling. If you notice any of these signs, professional leak detection can help find the source before serious damage occurs.