
Leak Detection & Repair in Barnstable Town
Licensed Plumbers Serving South Yarmouth
At Monomoy Mechanical, we know that even a small leak can lead to big problems if it goes unnoticed. That’s why we offer fast, accurate leak detection and repair services to protect your home from water damage, mold growth, and wasted utility costs. Using advanced tools and proven techniques, our licensed team quickly locates the source of the issue and provides reliable, long-lasting repairs. As a local, family-owned company, we treat your home like it’s our own – delivering quality service you can trust.
Call (508) 623-6952 for same-day leak detection and repair in Barnstable Town. We are available 24/7 for emergencies.

Cape Cod’s Go-To Team for HVAC & Plumbing
Why Choose Monomoy Mechanical?

Learn more about our cost-saving program that will keep your home comfortable all year long.
Is a Plumbing Leak an Emergency?
It depends on the severity and location of the leak, but in many cases, yes – a plumbing leak is considered an emergency. Leaks that involve burst pipes, rapidly spreading water, or potential damage to walls, floors, or electrical systems should be addressed immediately to prevent serious damage and costly repairs. Even smaller leaks can become emergencies if they’re left untreated, especially if they lead to mold growth or structural issues.
When in doubt, it’s always safest to call a professional; Monomoy Mechanical is here to respond quickly and help protect your home.
How We Find & Repair Plumbing Leaks
At Monomoy Mechanical, we take the guesswork out of leak detection. Our team uses advanced tools and proven techniques to quickly and accurately locate the source of the leak – without tearing apart your home. Whether it’s behind a wall, under a slab, or in your yard, we find it fast and fix it right.
Here’s how our leak detection and repair process works:
- Initial assessment - We start with a full inspection to understand the symptoms – like damp spots, unusual sounds, or high water bills – and narrow down the possible sources.
- Non-invasive leak detection - Using state-of-the-art equipment like acoustic sensors, infrared cameras, and moisture meters, we pinpoint the location of the leak.
- Clear diagnosis and estimate - Once we locate the leak, we explain the issue in clear terms and provide upfront, honest pricing before we start any work.
- Expert repairs - Whether you need a pipe replacement, joint repair, or fixture repair, our licensed plumbers deliver precise, durable solutions using high-quality materials.
- Final testing and cleanup - After repairs are complete, we re-test the system to verify everything is sealed and working properly. We leave the area clean, dry, and leak-free.
From small drips to major pipe problems, we handle it all with care, efficiency, and a commitment to protecting your home.

Reviews That Speak For Themselves
At Monomoy Mechanical, your satisfaction is our priority! See for yourself what our customers have to say about working with us.
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“They installed my new furnace/boiler, replacing a 35-year-old unit. Everyone who worked on the new system was an expert. To me, the install is an engineering work of art. Everything was explained, and they helped me pursue the MASS SAVE rebate as well.”- Peg H.
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“We placed a call for no AC in the heatwave, and they were there that day! Dave was great! He was honest and completed the work quickly!”- Robert B.
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“They called back in minutes despite the end of the work day and scheduled me for the next morning. The technician, Tim, was very attentive in diagnosing our mini-split problem, and fixed it the same day. His boss Chris was very attentive too. Recommend!”- Ekaterina D.
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“Dave is awesome, definitely my go-to guy. He’s done work for me at my business and home. He’s always on time, honest, and very informative. Fits you into his schedule super fast and answers your calls right away. The pricing is very fair!”- Karina H.
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“I was very pleased with the techs from Monomoy Mechanical. They were prompt, neat ,and showed concern for my issues.”- David S.
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“Called Monomoy Mechanical after trying to troubleshoot my AC with no luck. They arrived within two hours. They immediately identified the problem, provided a solution, and fixed it. Very reasonably priced! I highly recommend Monomoy Mechanical!”- Mary S.
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“Matt and Dave were very responsive, knowledgeable, and professional. Dave showed up when he said he would and took care of the work we agreed on quickly.”- Jamie P.
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“Matt and his team are amazing! They are fast and professional. They get the job done in a timely manner. I have recommended them to my family and friends - I think that highly of them. Their prices are more than fair. Real pros!”- Jacky P.
7 Warning Signs of a Hidden Plumbing Leak
Not all plumbing leaks are obvious – some can stay hidden behind walls, under floors, or in ceilings for weeks or even months before showing clear signs. Catching these early on can save you from serious water damage, mold growth, and costly repairs.
Common warning signs of hidden plumbing leaks include:
- Unexplained increases in your water bill
- Persistent smells of mildew or dampness
- Stained or warped walls, ceilings, or floors
- The sound of running water
- Low water pressure throughout your home
- Visible mold or mildew
- Hot spots on floors
If you suspect a hidden leak, don’t wait –Monomoy Mechanical uses advanced leak detection technology to locate the issue quickly and fix it right.
Call Monomoy Mechanical at (508) 623-6952 for fast leak detection and repair in Barnstable Town.