Leak Detection in Mandan, ND
Worried about a hidden leak at your Mandan home or business? HPN Plumbing provides precise leak detection services across North Dakota.
- Licensed & Insured
- Little Wall and Floor Damage
- Advanced Technology
- Experienced Local Plumbers
Stop Paying for Water You Never Used in Mandan, ND.
We find the leak, mark it and give you repair options the same day.
Reliable Leak Detection Services in Mandan, ND
HPN Plumbing specializes in professional leak detection, using modern equipment to locate leaks that are often out of sight. From dripping pipes behind walls to elusive slab leaks under your foundation, we find the source of the problem before it escalates.
Our expertise includes:
- Gas line leak pinpointing with dedicated detectors.
- Detecting slab leaks under concrete slabs.
- Pressure isolation tests for main lines, branches and irrigation

Additional Plumbing Maintenance Services in Mandan, ND
Our maintenance and specialty plumbing services in Mandan, ND catch small problems before they become emergencies.

Customers
Why Choose HPN Plumbing for Leak Detection in Mandan, ND?
Guessing at a leak location wastes money on holes in the wrong place. Our electronic methods let us mark the leak accurately before any drywall or concrete is touched.
- Pinpoint Accuracy, We combine several detection methods to confirm the leak location before opening anything.
- Advanced Tools, We rely on acoustic listening devices, thermal imaging cameras and tracer gas to locate leaks with precision.
- Less Damage, Precise locating means smaller repair openings and lower restoration costs.
Citywide Coverage
We provide leak detection to homes and businesses throughout Mandan, from older properties with galvanized lines to newer homes with PEX. Every technician carries a full detection kit.
Experienced Team
Our leak detection specialists at HPN Plumbing are highly trained and experienced in identifying even the most challenging leaks. They regularly update their skills on current detection technologies and techniques.
Safety-First Approach
Safety is paramount in all our leak detection services, especially when dealing with gas leaks or potential structural issues. We strictly adhere to all local Mandan and state plumbing codes to protect your property and its occupants.
Trusted Certified Mandan Plumbing Services Professionals
At HPN Plumbing, we take pride in providing licensed, certified plumbing services throughout Mandan, ND. Backed by leading industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationReliable Leak Detection Services in Mandan, ND
Hidden Wall and Ceiling Leak Detection in Mandan
Leaks inside walls and ceilings often show up as stains, bubbling paint, soft drywall or a musty smell. We use thermal cameras to find temperature differences caused by water, then confirm with moisture meters. Acoustic tools help when the leak is on a pressurized line. Pinpointing the source lets us cut a small, clean access opening.

Sewer Line Leak Detection in Mandan, ND
Sewer line leaks can cause foul odors, slow drains and potential health hazards. Our team uses camera inspections to visually identify breaks, cracks or blockages within your sewer lines. This method allows for accurate location of the leak without guesswork, leading to more efficient and targeted repairs. We address sewer leaks in all types of piping materials common in Mandan homes, from PVC to cast iron.
PEX and Copper Pipe Leak Detection in Mandan, ND
Whether your Mandan home has modern PEX plumbing or traditional copper pipes, leaks can occur. We are proficient in detecting leaks in all common piping materials found in North Dakota homes. Our tools are designed to work effectively with both metallic and non-metallic pipes, so no matter your plumbing system, we can accurately locate any leak. We handle everything from pinhole leaks to joint failures.
Fixture and Appliance Leak Detection in Mandan, ND
Running toilets, worn faucet cartridges and leaking water heater connections waste more water than most people think. A silent toilet leak can lose hundreds of gallons a day. We check flappers, fill valves, supply lines, softeners and water heater fittings. These repairs are typically quick and inexpensive.
Advanced Leak Detection Technology in Mandan
HPN Plumbing invests in modern leak detection technology to provide accurate and efficient service. Our tools include high-resolution thermal cameras, sensitive acoustic sensors, non-toxic tracer gas and digital moisture meters. This equipment allows us to identify leaks in various materials, from copper and PVC to PEX, with minimal disruption to your property.
Slab Leak Detection in Mandan
Slab leaks are a common concern for homes with concrete foundations, especially where soils shift. Our technicians use dedicated acoustic equipment and thermal cameras to pinpoint leaks under your home's foundation without destructive digging. Early detection of a slab leak prevents serious structural damage and mold issues, saving you significant repair costs down the line. We can locate leaks in both hot and cold water lines beneath the slab.
Preventative Leak Detection Inspections in Mandan, ND
Beyond emergency services, HPN Plumbing also offers preventative leak detection inspections. Regular inspections can identify small leaks before they become major problems, especially in older homes or properties with known plumbing issues. This proactive approach helps extend the life of your plumbing system and can save thousands in potential repair costs, especially for homes with aging infrastructure.

Gas Leak Detection Services in Mandan
Gas leaks are extremely dangerous and require immediate professional attention. Our team is equipped with highly sensitive gas leak detectors to quickly identify the location and severity of any gas escape. We put safety first and will guide you through the necessary steps, including shutting off the gas supply and coordinating with your utility company, to ensure your home is secure.
Leak Detection Near Me in Mandan, ND
When you search for 'leak detection near me' in Mandan, ND, you want a company that responds promptly and effectively. HPN Plumbing is your local plumbing expert, ready to address your leak concerns with speed and professionalism. We pride ourselves on being available to all residents and businesses in the area.
When you need a plumbing company that understands the needs of Mandan homes and businesses, HPN Plumbing is here. We pride ourselves on being accessible and providing top-tier leak detection that residents can trust, no matter where they are located in the region.
HPN Plumbing at a Glance
- Fully licensed plumbing team covering Mandan, ND
- Same-day appointments and 24/7 emergency response
- Clear written estimates, no hidden fees
- 4.9-star rated by 408+ North Dakota customers
Mandan Map
Mandan Information
- Population
- 24,586
- Area codes
- Local
- Service area
- Mandan and communities within 40 miles
- Nearby
- Bismarck, Dickinson, Minot, Jamestown
With shifting soil and older housing stock in many parts of Mandan, ND, professional leak detection is essential for preventing foundation damage and costly repairs. Basements are standard in most homes, and many rely on sump pumps to manage groundwater during wet springs.
Expert Services
Trust our professionals for reliable HPN Plumbing solutions in Mandan, ND.
Our Specialized Plumbing Services in Mandan, ND
At HPN Plumbing, we provide a complete range of plumbing services across Mandan, ND. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Leak Detection Service Works in Mandan, ND
We follow a systematic approach to identify and resolve your plumbing leaks effectively in Mandan, ND.
Request a Quote
Contact HPN Plumbing at (701) 403-1348 to describe your leak concerns. Our team will schedule a suitable time for an on-site assessment at your Mandan property.
On-Site Inspection
Our technicians arrive with dedicated equipment to conduct a thorough inspection. We use tools like acoustic sensors and thermal cameras to locate the leak's location.
Locate & Report
Once the leak is precisely located, we provide a detailed report and explain our findings. We'll discuss the best repair options and provide an upfront estimate.
Frequently Asked Questions About Leak Detection in Mandan
The cost of leak detection in Mandan, ND can range from $250 to $800, depending on the complexity and location of the leak. Factors like slab leaks or hard-to-reach pipe leaks may be at the higher end. We provide a clear estimate after our initial assessment.
While you can check for obvious leaks like dripping faucets, hidden leaks require professional tools and expertise. DIY attempts can often misdiagnose the problem or cause further damage, especially with slab or gas leaks.
We use acoustic ground microphones, thermal imaging cameras from brands like FLIR, line tracers, moisture meters and pressure test gauges. Each tool helps confirm a different type of leak. Using several together gives reliable results.
To prevent future leaks, consider regular plumbing inspections, especially for older homes. Keep water pressure in a safe range, address any signs of corrosion and maintain your plumbing system. For homes with known issues, proactive repiping or pipe upgrades can be a lasting solution.
Common signs include a sudden spike in your water bill, damp spots on walls or floors, mildew odors, visible mold growth, the sound of running water when no fixtures are in use, or a continuously running water meter even when all water is off.
Most residential leak detection appointments take one to three hours. Larger homes, commercial buildings or multiple leaks can take longer. We give you an time estimate when we schedule.
If you suspect a gas leak, immediately evacuate everyone from the property, do not use any electrical devices, and call your gas utility company and HPN Plumbing from a safe location. Gas leaks are very dangerous and require immediate professional attention.
Yes, HPN Plumbing understands that some leaks are emergencies. We offer prompt emergency leak detection services to address critical situations like burst pipes or significant water intrusion, minimizing damage to your property. Call us immediately for urgent assistance.
What People Are Saying About Our Plumbing Experts?

Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Mandan, ND
Mark T.
When our office needed drain cleaning, HPN Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Devils Lake, ND
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Minot AFB, ND
Patricia H.
We had a slab leak that two other companies could not find. HPN Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Minot, ND
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Minot AFB, ND
James P.
Our commercial plumbing system had a leak under the sink, and HPN Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Bismarck, ND













