![Abstract purple mountain landscape with diagonal neon accents](/sites/default/files/2026-06/imgi_3_service-area.2505061359384.jpg?alternateWidths=/sites/default/files/styles/canvas_parametrized_width--%7Bwidth%7D/public/2026-06/imgi_3_service-area.2505061359384.jpg.avif%3Fitok%3DPy_4LvzF) # Leak Detection & Repair [Book Now ](/contact-us) [Call Us ](tel:833-590-9413) ## Breadcrumb 1. [Home](/) 2. Leak Detection & Repair # Leak Detection & Repair Services in Newport, NH ## Finding & Fixing Hidden Plumbing Leaks in Sullivan County & Surrounding Areas Even a small leak can lead to bigger issues fast, like water damage, mold, or high water bills. At Action Plumbing Heating And Air, we offer reliable leak detection and repair services for homes and businesses in Newport, Sullivan County, and nearby areas. We use proven tools to find hidden leaks behind walls, under floors, or underground—and fix them using quality parts and lasting techniques. **Here’s what you can expect when working with us:** - Upfront pricing and free estimates - Same-day service when available - No upselling—just what’s needed - Emergency repairs for urgent assistance - Licensed plumbers with hands-on experience ## What Our Leak Detection Process Looks Like Every home or building is different, and so are the leaks. Our licensed plumbers bring years of hands-on experience to each job and use a combination of visual inspection, moisture sensors, pressure testing, and acoustic tools to track down the exact source. We won’t tear into walls or floors unless we absolutely need to—and if we do, we’ll walk you through every step beforehand. Once we’ve found the leak, we’ll handle the repair using durable parts and reliable techniques designed to last. ## Common Signs of Plumbing Leaks Leaks don’t always make themselves obvious right away. **If you’ve noticed any of the following, it might be time to give us a call:** - Sudden spike in your water bill - Musty odors or mold growth - Dripping sounds when no water is running - Wet spots or discoloration on ceilings or walls - Peeling paint or warped flooring If something doesn’t feel right, we’re here to investigate it for you. Even a small leak can cause serious damage over time if it’s not addressed. **Suspect a water leak in your property?** **Call** [**(833) 590-9413**]() **for quick, professional help.** [ ![Pink piggy bank beside clipboard and calculator, with outdoor AC unit and people on patio](/sites/default/files/2026-06/financing-bg-image.png?alternateWidths=/sites/default/files/styles/canvas_parametrized_width--%7Bwidth%7D/public/2026-06/financing-bg-image.png.avif%3Fitok%3D_hd9oxqC) ### Financing Available Comfort Now, Pay Later ](/financing) #### Request an Appointment Get in touch with Action if you need service at your home or business. [Let's Get Started! ](/contact-us) #### Our Services --- - [Plumbing](/plumbing) - [Drain Cleaning](/plumbing/drain-cleaning) - [Leak Detection & Repair](/plumbing/leak-detection-repair) - [Water Heaters](/plumbing/water-heaters) - [Plumbing Repairs](/plumbing/plumbing-repairs) - [Plumbing Installation](/plumbing/plumbing-installation) - [Piping & Repiping](/plumbing/piping-repiping) - [Slab Leaks](/slab-leaks) - [Gas Line Repair](/gas-line-repair) - [Gas Line Installation](/gas-line-installation) - [Heating](/heating) - [Heating Repair](/heating/heating-repair) - [Heating Maintenance](/heating/heating-maintenance) - [Heating Installation](/heating/heating-installation) - [Boiler Installation](/heating/boiler-installation) - [Boiler Maintenance](/heating/boiler-maintenance) - [Boiler Repair](/heating/boiler-repair) - [Air Conditioning](/air-conditioning) - [AC Repair](/air-conditioning/ac-repair) - [AC Installation](/air-conditioning/ac-installation) - [AC Maintenance](/air-conditioning/ac-maintenance) - [Commercial](/commercial) - [Commercial HVAC](/commercial/commercial-hvac) - [Commercial Plumbing](/commercial/commercial-plumbing) - [Areas We Serve](/areas-we-serve) - [About](/about) - [Contact Us](/contact-us) - [Blog](/blog) - [Reviews](/reviews)