24-7 Slab Leak Detection in Passaic County New Jersey
🏆 Leading Leak Detection for Homeowners & Business Owners | Precision Leak Detection
Why Detecting Slab or Under-the-Slab Water Leaks is Essential 
Slab water leaks are a major hidden threat’s to your property. They can compromise your home or business’s structural integrity, increase your water bills, promote harmful mold growth, and even render a property damaged beyond repair if left unchecked.
The good news? You don’t have to wait until it’s too late.
At First Class Leak Detection in Passaic County’s, we focus on slab leak detection in Passaic County, New Jersey using advanced, non-invasive techniques — saving you time, money, and stress
Serving Passaic County and nearby towns, we are proud to be the trusted for both property owners across the region.
What is a Slab Leak?
A slab leak occurs when a pipe below the concrete slab of your property or building develops a leak. Most of these water leak usually are a result of:
Aging and/or corroded pipes
Sub-standard installation or construction defects
Shifting soil or foundation movement
High water pressure and/or temperature variances

Because of the fact that the leak is hidden below concrete, the signs are usually subtle until major damage takes place.
How to Know if You Have a Slab Leak
Be wary of these common indicators:
Damp spots and/or warmer areas on floors
Cracks in walls or flooring
Sound of running water specially when no faucets are on
Mildew or mold odors
Low water pressure
When you notice any of these indications, don’t wait! Early detection is crucial for preventing expensive repairs and maintenance.
How Early Detection Saves You Thousands
Unchecked slab leaks might cause:
Foundation damage: Restoring a foundation will cost tens of thousands of dollars
Structural instability: With time, water leak may deteriorate support structures.
Health risks: Black mold growth can lead to respiratory issues.
High utility bills: Leaks waste hundreds of gallons of water every month.
Property devaluation: Damage caused by leakages may significantly reduce property value.
Finding leaks early saves both your money and also your property.
Houses with slab foundations, places where a thick concrete pad is poured entirely on the ground, often have concrete slab flooring within areas where durability, moisture resistance, and/or low-maintenance is key considerations.
Lets talk about some common areas where you will probably find concrete Slab leaks:
- Kitchen Concrete Slab Leaks
- Bathroom Concrete Slab Leaks
- Living Room Concrete Slab Leak
- Garage Slab Water Leaks
- Laundry Room Slab Leak
- Basement Concrete Slab Water Leaks Passaic County New Jersey
- Crawl-space Concrete Slab Water Leak






🛠️ Stop Costly Water Damage: Expert Slab Leak Detection in Passaic County
Why Choose FC Leak Detection?

We are very proud to offer the #1 slab leak detection in Passaic County NJ — here’s the reason so many local residents and organizations trust us for Slab Leak Detection in Passaic County:
Advanced Equipment
We utilize state-of-the-art technology to identify leaks without damaging your floor surfaces or foundation. Our equipment includes:
- Acoustic sensors
- Tracer gas
- Infra-red cameras
- Electronic leak detection devices
- Dampness meters
Result? We pinpoint leaks with beyond compare accuracy.
Quick & Trustworthy Service
With regards to water damage and mold, time is everything. We prioritize response times so you can get the answers and solutions you need immediately.
Same-day and/or next-day appointments available
24/7 emergency response for significant leaks
Clear, honest communication at every phase
Dealing with Insurance? Let Us Help.
At First Class Leak Detection your trusted slab leak experts, we know how nerve-racking it is to realize a slab leak and face insurance paperwork.
That’s why we offer more than just leak location — we alsohelp with insurance claim documentation.
At times when we find a leak, we provide:
Clear detection reports ready for your claim
Visual evidence and diagnostics
Claim forms your insurance adjuster can work with
Optional help if your adjuster has questions
We won’t handle the claim directly, but we give you everything needed to file it confidently.
Want help understanding what might be covered? Ask us — we’ll walk you through it.
Non-Invasive Slab Leak Detection Passaic County, North Jersey (NJ)
Concered about ripping up your floors? Don’t be.
Our methods are designed to minimize disruption and maximize accuracy:
Non-destructive testing
Precision pinpointing and this reduces the area needing repair
We work along with your contractor or plumber to ensure smooth resolution
Trusted Local Experts
We’re based right here in New Jersey, and we are committed to helping our community.
Fully licensed and fully insured
Dozens of 5-star reviews from local clientele
Friendly, approachable technicians
We treat your property like our own our very own
What Our Customers Are Saying
“First Class Leak Detection saved us thousands of dollars by finding a hidden slab leak before it caused major foundation damage. Their technician was friendly, professional, and explained everything clearly. Highly recommended!”
— Lisa M., Near Passaic County NJ -homeowner
“We suspected a slab leak under our office building. The team arrived the same day, found the leak fast, and provided a detailed report so we could get it repaired quickly. Great service!”
— David T., Business Owner in NJ
🛠️ Call First Class Leak Detection Passaic County New Jersey, and get a free of charge slab leak Detection estimate
What Sets First Class Leak Detection Apart
When you choose us for slab leak detection Passaic County, you get:
Early detection saves you money
Protect your building from future damage
Dozens of excellent reviews from satisfied clients
Fast turnaround — we act promptly
Quick turnaround to minimize water loss along with property risk
Serving Passaic County and Nearby Towns
We proudly provide slab leak detection services in Passaic County NJ and Surrounding Towns.
Our Professional Leak Detection Process
Preliminary Consultation

We start with a conversation to discover your concerns and signs or symptoms.
2️⃣ On-Site Inspection
Our technician performs a thorough assessment utilizing advanced equipment.
3️⃣ Accurate Leak Detection
We accurately locate the leak — no guess work involved.
4️⃣ Detailed Report and As well as Recommendations
We provide a clear report of our findings and work with your plumber or contractor on next steps.
5️⃣ Ongoing Support
We’re here to answer questions and provide even more support if needed.
📋 Other Leak Services Provided
- ✅ Kitchen Leak Detection
- ✅ Cold Water Leak Detection
- ✅ Pipe Leak Tracing
- ✅ Water Main Leak Detection
- ✅ Ceiling Leak Detection
- ✅ Unexplained Water Leak Diagnosis
- ✅ Irrigation System Leak Detection
- ✅ Pool Leak Detection and Leak Location for Spas and Fountains
Our experts handle even the toughest-to-find leaks.
Common Questions About Slab Leak Detection
Most inspections take 1-2 hours, depending on the size of your property.
Not just Passaic County — in addition we cover nearby towns and neighborhoods.
We work together with both homes and businesses through the entire area, and that we bring quick, accurate service when you need us.
It may vary by insurance policy and also the leak’s the original source.
In many instances, home insurance may cover **water damage due to a slab leak**, such as restoring flooring and/or structural damage.
However, the **finding the leak under the slab** and repairing the leaking pipe is sometimes out-of-pocket, unless the cause was a **sudden and accidental** like freezing or rupture.
In most cases, No. Our advanced, non-invasive tools allow us to accurately find leaks without destructive testing.
Our areas of expertiese include detection only — however i make a detailed report very own local plumber are able to use to complete the repair, to complete the repair. We are happy to recommend qualified plumbers.
FC Leak Detection rates are very competitive and range by property size. Call us for a without charge quote!
Don’t Wait — Call First Class Leak Detection Today!
Slab leaks are serious — but with First Class Leak Detectionon your side, they don’t have to be hectic.
Call today for a FREE estimate and quick, professional slab leak detection in Passaic County New Jersey and nearby towns!
732-253-4900
Schedule your inspection today — spots fill fast! – Click to Schedule online
Why Local Matters
We’re not a national chain — we’re your neighbors in Passaic County NJ. We understand local homes, local water systems, and local building codes.
When choosing First Class Leak Detection, you get personal service from a team that truly cares.
DIY - Discover Hidden Water Leaks Before They Cause Major Damage!
With this Do-it-yourself water leak detection channel, we’ll show you how to recognize signs of water leaks at your home—without tearing down walls. Learn to utilize simple tools such as a pressure gauge, infrared thermometer, and even your ears to identify potential pipe leaks. We’ll walk you through inspecting fixtures, appliances, and/or pipe connections, plus how to tell when it’s time to call in an expert. Save money, protect your property, and get peace of mind—watch now and quickly take control of your home’s water pipe system! - Slab Leak Detection Passaic County, North Jersey
If you have any emergency slab leak detection need, simply call our 24 hour emergency helpline
Quick & Reliable Service for Slab Leak Detection Service for Passaic County residence
732-253-4900
Passaic County Service Area
Allwood |
Hometown Passaic County, NJ Info
Contact Us Now!

First Class Leak Detection by ASR
First Class Leak Detection a Leak Detection Division of AllStates Services LLC.
Are you searching leak detection near me online? Our team of leak detection specialists provides 24-hour emergency.
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.
First Class Leak Detection
- 28 Harrison Ave Building 602 Englishtown, NJ 07726
- 732-253-4900
- FCLeakDetection@HireASR.com
- Monday - Friday 9am - 5pm

Follow Us