Leak Detection & Repair Services
Non-invasive acoustic & thermal imaging leak detection. Pinpoint precision for slab leaks, hidden pipe bursts, and foundation protection.
Find the Leak.
Fix the Problem.
Protect Your Property.
Hidden leaks waste thousands of gallons of water and cause severe structural damage. American Commercial Plumbing LLC uses state-of-the-art technology to pinpoint leaks with surgical accuracy—no guesswork, no unnecessary digging.
State-of-the-art non-invasive diagnostic sensors
No guesswork · zero unnecessary demolition
Arizona ROC #321353 · Full liability protection
1,000+ happy Southern Arizona property owners
Small Leaks Become
Big Problems.
A hidden water leak is one of the most destructive and costly issues a property owner can face. Unlike a burst pipe that announces itself with a dramatic flood, hidden leaks silently drip behind walls, beneath concrete slabs, or under your foundation.
Over time, this constant moisture silently degrades building integrity:
Compromise Your Foundation
Structural RiskWater eroding soil beneath your slab creates voids and differential settling, triggering catastrophic foundation shifts.
Cause Mold & Mildew Growth
Health ThreatConcealed dampness behind sheetrock fosters toxic black mold colonies within 24 to 48 hours, posing serious respiratory hazards.
Destroy Drywall & Flooring
Cosmetic & Subfloor DamageSub-surface seepage warps expensive hardwood, buckles tile grout lines, bubbles latex paint, and rots wooden baseboards.
Attract Termites & Pests
Pest InfestationDamp timber and saturated wall cavities are prime nesting territory for wood-destroying subterranean desert termites.
Skyrocket Your Water Bill
Financial WasteA single pinhole leak running continuously at 60 PSI can bleed over 3,000 to 10,000 gallons of municipal water every single month.
We Don't Guess Where the Leak Is—
We Prove It.
Our licensed technicians use a suite of non-invasive diagnostic tools to locate hidden leaks without tearing your property apart.
Acoustic Listening Equipment
Water escaping from a pressurized pipe creates a distinct high-frequency frequency signature. We use laboratory-grade acoustic microphones, contact transducers, and ground sensors to listen through concrete slabs and walls, pinpointing the exact hiss or rush of pressurized water.
Thermal Imaging Cameras
Our calibrated thermal imaging cameras detect microscopic surface temperature deltas behind drywall, tile, and concrete. A hot water supply line leak creates a distinct bloom of radiant warmth, while cold supply leaks show a thermal absorption sink—allowing us to see inside structures without opening walls.
Video Camera Inspection
For drain lines, sewer mains, and buried DWV conduits, we feed high-definition, self-leveling color cameras equipped with 512 Hz sonde transmitters into the line to visually diagnose fractures, shifted bellies, root punctures, and interior pipe corrosion.
Pressure Isolation Testing
By isolating municipal meter lines from interior manifolds and taking continuous hydrostatic pressure readings, we mathematically determine if the pressure loss is located on the potable main, a dedicated branch line, or an outdoor irrigation backflow circuit.
Electronic Leak Detection
For deeply buried slab piping and underground utility lines, we deploy frequency-matched electronic pulse generators and surface sensors to trace pipe paths and localize the leak to within inches before any repair begins.
24/7 Rapid Emergency Dispatch
If water is actively rising or your water meter dial is spinning out of control, our emergency leak teams are ready for rapid dispatch across Tucson and Pima County.
Types of Leaks We Detect & Repair
Our team is equipped to handle any leak, anywhere on your property—from residential slabs to multi-story commercial facilities.
Slab Leaks
Pinhole leaks and pipe fractures beneath concrete foundations. We locate them acoustically and provide surgical options: localized access, trenchless repair, or complete overhead PEX reroutes without tearing up your floor.
Shower & Bathtub Leaks
Leaks hidden behind tile surrounds, deteriorated shower pans, loose tub shoes, or faulty mixing valves that quietly rot framing studs and ruin subflooring.
Toilet Leaks
From cracked porcelain bases and deteriorated wax seals that leak sewage into the subfloor, to silent fill-valve overflow leaks wasting 200+ gallons a day.
Faucet & Sink Leaks
Pressurized supply lines under kitchen and bathroom cabinets, failing angle stops, and worn ceramic disc cartridges causing hidden cabinet warping.
Pool & Irrigation Leaks
Underground PVC sprinkler lines, pool equipment manifolds, and backflow preventers bleeding water into desert soil and sinking turf.
Water Heater Leaks
Failing T&P relief valves, corroded dielectric nipples, or tank inner jacket failures. We diagnose if a fast component fix or a modern replacement is required.
Commercial & Multi-Family Leaks
High-volume main headers, multi-story vertical risers, boiler circuits, and grease trap lines for hotels, restaurants, and medical centers with zero disruption.
Our Leak Repair Process
Once we locate the leak, we provide a clear, upfront solution. Our repair process is designed to be efficient, code-compliant, and minimally invasive.
Accurate Diagnosis
We deploy acoustic sensors and thermal imagers to pinpoint the leak with mathematical accuracy. We show you the live data readings and explain the root cause in plain English.
100% Upfront Pricing
Before a single tool touches your plumbing, we give you a transparent, flat-rate quote detailing your repair options. You approve the exact scope—zero hidden surprises.
Expert Surgical Repair
We perform the cleanest, least invasive solution: precision pipe patching, trenchless restoration, overhead PEX rerouting for slab leaks, or full line replacement.
Verification & Spotless Cleanup
We re-pressurize and verify zero pressure drops across the system. Our technicians clean up all dust and debris, leaving your home or commercial building immaculate.
The American Commercial Plumbing Advantage
When you choose us for leak detection and repair, you are choosing a partner with the experience and technology to get it right the first time.
25+ Years of Tucson Experience
Serving Southern Arizona since 1999. We know how Tucson's hard water, expansive clay soil, and caliche affect subterranean pipes.
Non-Invasive Technology
We locate hidden leaks through walls, slabs, and yards without damaging exploratory demo, protecting your property and budget.
100% Upfront & Honest Pricing
Flat-rate transparent quotes provided and approved before work begins. No hidden overtime fees or emergency markups.
Background-Checked Technicians
Every technician entering your property is certified, drug-tested, background-verified, and trained in clean engineering standards.
Clean Engineering Protocol
We use protective floor coverings, containment sheeting, and thorough post-job sanitization. We leave your property cleaner than we found it.
Licensed, Bonded & Insured
Fully compliant Arizona ROC #321353 holder led by founder Shawn Holton for complete consumer protection and peace of mind.
24/7 Emergency Response
Active leaks don't wait for business hours. Our rapid dispatch response teams are equipped and on-call around the clock.
Signs You Might Have a Hidden Leak
Don't wait for visible pooling or catastrophic foundation settlement. If you notice any of these 10 warning signs, call us for a professional inspection:
Unexplained High Water Bills
A sudden or gradual increase in your monthly water utility bill without a change in household usage is the #1 sign of a pressurized water leak.
Sound of Running Water
Hearing water hissing, trickling, or rushing inside walls or under floorboards when all fixtures, appliances, and ice-makers are turned off.
Warm Spots on the Floor
A localized area of warm tile, hardwood, or carpet indicates a hot water slab leak running directly beneath your concrete foundation.
Musty or Mildewy Odors
A persistent earthy or sour smell in bathrooms, closets, or hallways caused by hidden moisture festering inside drywall or crawlspaces.
Visible Mold or Mildew
Black, green, or discolored growth appearing along baseboards, lower drywall seams, or behind bathroom vanities.
Peeling Paint or Warped Wallpaper
Water traveling along studs causes drywall backing to swell, loosening wallpaper adhesives and causing interior wall paint to blister.
Bubbling or Cracking Stucco / Drywall
Moisture pushing through structural materials causes hairline drywall fissures, chalky efflorescence, and exterior stucco spalling.
Wet Spots in the Yard
Patches of unusually lush, spongy, or standing mud in your desert landscaping when the irrigation system has not run.
Cracks in the Foundation
Soil swelling or shifting from prolonged subterranean water saturation puts pressure on concrete footing, cracking slabs and brickwork.
Low Water Pressure
A noticeable drop in dynamic flow at showers or faucets indicates pressurized water escaping through a fissure before reaching fixtures.
Schedule a Leak Inspection
Request an acoustic & thermal inspection with upfront flat-rate pricing. For urgent active leaks, please call (520) 221-2010 directly.
Frequently Asked Questions (Leak Detection & Repair)
Clear answers from Tucson's premier leak detection specialists.
Stop Wasting Water. Stop the Damage.
Don't let a hidden leak compromise your property. Contact American Commercial Plumbing LLC today for expert leak detection and repair.