Best Leak Detection Services in New Jersey
Leak Detection by The New Jersey #1 Leak Detection Company
Our leak detection specialists locate leaks in central heating systems, plumbing, water mains, drainage, and swimming pools along with building and roof structure use are the water leak detection specialists that provide a reliable leak detection services!
Our leak detection services help homeowners, landlords, tenants, & businesses to identify and repair leaks, with proven cost-effective leakage detection solutions.
Our Leak Detection Specialists aim to:
- Find Your water leak Using Non-Destructive Technology
- Repair Your Water Leak
- Minimize Water Damage
- Keep Your Costs As Low As Possible
- Assist With Your Insurance Claim
We Identify Leaks, and Help With Insurance Claims
Water Leak Detection Services Include:
Our range of services, each require a unique set of leak detection techniques and equipment.
Our technical advisors will have have a discussion with you to work out which of our services is best suited to your particular problem.
Your engineer will then use the combination of equipment that is deemed best suited to find the source of your leak.
Leak Detection Services & Equipment Used to Locate the Leak

Pipe - Water Supply Line (Water Mains)
We specialize in water mains leak detection for underground pipes running beneath houses, buildings, gardens, pathways, and driveways. Our advanced technology helps locate leaks quickly and accurately, even through materials such as: ✔ Grass, ✔ Soil, ✔ Gravel, ✔ Concrete, ✔ Tarmac
Equipment That Can Be Used To Locate The Leak
Outside / Yard leaks:
🔹 Acoustic Microphones
🔹 Tracer-gas Leak Testing
🔹 Correlators
Inside the House/Building:
🔹 Thermography Cameras
🔹 Borescope cameras
Expert Leak Detection Services - Accurately Locate Hidden Leaks!
Central Heating Leak Detection
Our central heating leak detection services identify leaks in radiators, underfloor heating, and buried heating pipes. If your boiler is losing pressure, it may be a sign of a hidden leak.
We locate leaks in heating systems under various flooring types, including:
Carpets,
Laminate Flooring,
Solid Wood,
Engineered Wood,
Amtico & Vinyl,
Tiles & Lino,
Concrete & Screed,
Block & Beam
Equipment Used to Locate Leaks
Moisture Meters,
Tracer Gas,
Acoustic Listening Devices,
Thermal Imaging Cameras,
Borescope Camera,
Pressure testing.


Hot Water Pipe Leak Detection
We specialize in accurate and non-invasive plumbing leak detection for hot water supply pipes.
Our expert team pinpoints hidden water hot water leaks in:
Concrete floors,
Floorboards & all types of flooring,
Internal brick walls,
Stud & cavity walls
Equipment That Can Be Used To Locate The Leak:
Pressure Testing,
Tracer Gas,
Acoustic Listening Discs,
Thermal Cameras,
Damp Meters,
Borescope Camera
Cold Water Pipe Leak Detection
Prevent Water Damage & Save on Costly Repairs Methods and Benefits
Cold water pipe leak detection is the process of identifying hidden or visible leaks in water lines before they lead to serious damage. Specialists use advanced tools like acoustic listening devices, moisture meters, and thermal cameras to pinpoint leaks and minimize water waste.
Why Early Detection Matters
Detecting leaks early helps prevent mold growth, pipe corrosion, and costly repairs. It also safeguards plumbing systems, reduces water bills, and protects property from structural damage.
Moisture Meters,
Tracer Gas,
Acoustic Listening Devices,
Thermal Imaging Cameras,
Borescope Camera,
Pressure testing.


Slab Leak Detection
A hidden slab leak can cause serious structural damage to your home. , we specialize in fast, accurate leak detection and expert repairs, preventing further water damage and high utility bills.
Signs You May Have a Slab Leak
Unexplained Increase in Water Bills
Hot Spots on Flooring,
Damp or Warped Flooring
Mold & Mildew Growth,
Low Water Pressure
Cracks in Walls or Flooring – Ongoing leaks weaken your foundation.
Equipment That Can Be Used To Locate The Leak:
Pressure Testing,
Tracer Gas,
Acoustic Listening,
Thermal Cameras,
Damp Meter.
Bathroom Leak Detection Services
Our bathroom leak detection experts specialize in identifying hidden leaks before they cause serious water damage. We inspect:
Behind tiles,
Tiled wall box sections,
Inside walls,
Under baths
Around taps & toilets,
All bathroom pipes
Using non-invasive techniques, we locate leaks quickly and accurately, saving you time and money.
Equipment That Can Be Used To Locate The Leak:
Leak Detection Dye,
Moisture Meters,
Pressure Testing,
Thermal Imaging,
Tracer Gases
Borescope Cameras


Ceiling Leak Detection
Our ceiling leak detection specialists accurately trace the source of water damage in ceilings, preventing further issues.
Common Areas Affected: Kitchens,
Bathrooms,
Cloakrooms,
Bedrooms,
Any other room
Ceiling leaks can result from plumbing issues, pipe leaks, or structural problems. Our experts use advanced, non-invasive technology to identify and resolve leaks quickly.
Equipment That Can Be Used To Locate The Leak:
Moisture Meters,
Thermal Imaging Cameras,
Acoustic Listening.
Attic Leak Detection
Fast, Reliable, and Affordable Solutions for Attic Leaks
A leaking attic can lead to serious structural damage, mold growth, and costly repairs. We specialize in detecting attic leaks before they cause major problems.
Signs You May Have an Attic Leak
Water Stains on Ceilings or Walls,
Dripping Sounds or Visible Water Drops,
Mold or Mildew Growth,
Peeling Paint or Warped Drywall,
Increased Humidity & Musty Odors,
Damaged or Wet Insulation
Equipment That Can Be Used To Locate The Leak:
Pressure Testing,
Tracer Gas,
Acoustic Listening Discs,
Thermal Cameras,
Moisture Meter.


Roof Leak Detection
Is Your Roof Leaking? Don’t Let Water Damage Get Worse!
A roof leak can start as a slow water intrusion, causing dampness and mold, or escalate into a major water flow during heavy rainfall. If left untreated, even minor leaks can lead to costly structural damage.
Our highly experienced roof leak investigation specialists use advanced diagnostic techniques to accurately locate and assess the source of your roof leak—helping you prevent further damage.
Common Causes of Roof Leaks
🔹 Broken or Missing Tiles, 🔹 Damaged Flashing,
🔹 Failing Mortar or Sealant, 🔹 Storm Damage,
🔹 Aging & Wear, 🔹 Poor Chimaney Construction or Maintenance
Building Structural Leak Detection
Our structural leak detection specialists accurately identify the source of water ingress caused by structural weaknesses.
Common Areas Affected: Basements,
Balconies,
Doors & Windows,
Roofs & Chimneys,
Cracks in Walls
Using advanced, non-invasive technology, we detect leaks before they cause serious damage, helping you protect your property.
Equipment That Can Be Used To Locate The Leak:
Drones with Thermal Cameras,
Thermal Imaging Cameras,
Moisture Mapping,
Damp Meters,
Salts Analysis,
Tracer Gas,
Pressure testing,
Acoustic Surveys,
Borescope Inspections.


Sewer Pipe & Drain Line Leak Detection
Our Drain CCTV Surveys identify issues in drainage pipes, including:
✔ Cracks & leaks, ✔ Tree root intrusions, ✔ Collapsed drain pipes
Equipment Used to Detect Sewer Pipe Leaks:
🔹 Drainage CCTV Cameras – Provides a clear view inside pipes to locate blockages and damage.
🔹 Smoke Testing – Detects leaks by pushing safe, visible smoke through the system.
Expert Leak Detection Services - Accurately Locate Hidden Leaks!
Utility Line Locating Services
Experience Precise Utility Locating Services in New Jersey
Before breaking ground on your next project, do you know what’s beneath the surface? Failing to locate and map underground utilities can lead to:
Costly repairs
Hazardous accidents
Major project delays
With essential infrastructure such as water, gas, sewer lines, and electrical cables hidden underground, even a single mistake can cause significant disruptions.
At First Class Leak Detection (FCLD), we provide accurate, detailed, and non-invasive underground utility locating services across New Jersey. Using state-of-the-art technology, our experienced team ensures safe, efficient, and damage-free excavation planning.

Types of Underground Utilities We Locate
Underground utility networks are essential for modern infrastructure, serving functions such as water supply, gas distribution, power transmission, and communication networks. Damage to these hidden systems can be expensive and highly disruptive.
Our expert utility locating services cover:
Electrical Lines (Including data cables & phone lines)
Gas Pipes (Natural gas and other utility pipelines)
Water & Irrigation Lines (Municipal, private, and sprinkler systems)
Sewers (Sanitary and storm sewer systems)
Unknown or Abandoned Pipes (Unmarked or outdated utility lines)
Underground Storage Tanks (USTs for fuel, water, or chemicals)
Before starting any excavation project, trust FCLD to assist your contractor in accurately identifying and mapping underground utilities. Our private utility locating services in New Jersey help minimize damage risks and prevent costly errors.

Irrigation system leak detection
Is Your Irrigation System Wasting Water? Find Hidden Leaks Today!
A leaking irrigation system can lead to water waste, higher utility bills, and damage to your landscaping. Whether it’s an underground supply pipe or a faulty sprinkler head, even a small leak can impact system efficiency and increase costs over time.
Our irrigation system leak detection specialists use advanced, non-invasive techniques to accurately trace leaks in residential, commercial, and agricultural irrigation systems—saving you water, money, and unnecessary repairs.
Common Signs of an Irrigation System Leak
🔹 Unexplained Water Puddles – Pooling water near sprinkler heads or in the yard
🔹 Low Water Pressure – Uneven watering or weak spray from sprinklers
🔹 Higher Water Bills – A sudden spike in water usage with no visible cause
🔹 Dry or Overly Saturated Areas – Uneven watering patterns and inconsistent plant health
🔹 Running Water Sounds – Hearing water movement even when the system is off
How We Detect Irrigation System Leaks
✔ Acoustic Leak Detection – Pinpoints underground leaks by detecting escaping water sounds
✔ Pressure Testing – Identifies drops in pressure that indicate leaks within the system
✔ Thermal Imaging – Uses heat detection to locate moisture build-up underground
✔ Dye Testing – Traces water flow to pinpoint leak locations in pipes and sprinkler heads

Expert Swimming Pool Leak Detection
Is Your Pool Losing Water? Get a Professional Leak Inspection Today!
A swimming pool leak can occur in various places, including the pool structure, liner, or filtration system. If left undetected, leaks can lead to water loss, increased chemical usage, higher utility bills, and structural damage.
Our swimming pool leak detection specialists provide accurate, non-invasive leak detection to pinpoint the source of your pool leak—saving you time and costly repairs.
Common Causes of Swimming Pool Leaks
🔹 Cracked Pipes in the Filtration System – Often caused by ground movement
🔹 Loose or Faulty Filtration Fittings – Can lead to water loss and system inefficiency
🔹 Pool Structure Damage – Cracks in concrete, fiberglass, or vinyl liners
🔹 Worn or Failing Pool Liner – Tears or deterioration leading to slow leaks
How We Detect Swimming Pool Leaks
✔ Pressure Testing
✔ Dye Testing
✔ Acoustic Leak Detection
✔ Diver Inspections
Coming Soon...
If you have any leak and need emergency leak detection, simply call our 24-hour emergency helpline!
Non-Destructive Leak Detection Services
732-253-4900



Slab Leak Detection Explained in 6 Minutes
Check out this quick educational video explaining the process and innovative nature of leak detection services. With the assistance of high-tech equipment and careful attention to detail, First Class Leak Detection is guaranteed to find the source of the issue and tackle it fast.
Our Leak Detection Service Area
New Jersey Service Area
Monmouth County Aberdeen Middlesex County Avenel Somerset County Basking Ridge Mercer County Bear Tavern Ocean County Barnegat Bergen County Allendale Essex County Academy Hudson County Arlington Hunterdon County Annandale Morris County Boonton Passaic County Allwood Sussex County Andover Union County Baltusrol Warren County Allamuchy Atlantic County Folsom Burlington County Beverly Camden County Albion Cape May County Anglesea Cumberland County Bivalve Gloucester County Almonesson Salem County Alloway |
Contact Us
Contact details
28 Harrison Ave Building #602 Englishtown, NJ 07726
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First Class Leak Detection by ASR
We identify and solve leaks for both commercial and residential customers that elude detection. With an exceptional success rate of 99.8% , our non-intrusive surveys ensure efficient and effective results for our clients.
Contact Details
- 28 Harrison Ave Building 6 Englishtown, NJ 07726
- FCLeakDetection@HireASR.com
- 732-253-4900
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