πŸ” Non-Invasive Detection β€” Acoustic Β· Thermal Β· Pressure β€” Call +1-844-833-0201
πŸŽ™οΈ Find It Before You Open a Wall

Stop Guessing Where the Leak Is β€” Leak Detection in Portland, OR

The difference between a $300 pipe repair and a $3,000 drywall-and-remediation job is often just whether the leak was found before or after excessive wall opening. Our detection service in Portland uses the same methods utilities and insurance adjusters rely on β€” to pinpoint the failure before anything is cut.

πŸ“ž Find My Leak β€” Call +1-844-833-0201
Acoustic Ground MicrophonesThermal Infrared CamerasPressure Decay TestingSlab & Wall Leak Specialists
Our Detection Methods
  • 01
    Acoustic MicrophonePressurized leaks create a detectable sound β€” amplified to locate the failure within inches
  • 02
    Thermal Infrared CameraActive leaks create temperature differentials on surfaces β€” we map the wet zone without cutting
  • 03
    Pressure Decay TestingConfirms active water loss and zones the failing branch before detection equipment deploys
  • 04
    Tracer Gas DetectionFor very slow leaks where acoustic methods aren't conclusive β€” sensitive to parts per million
  • 05
    Written Report for InsuranceFormatted for insurance submission β€” pressure test results and thermal imagery included
Licensed Leak Detection service in Portland, OR - Masters Plumbing Service
Why Detection First

The Tools Behind Accurate Leak Detection in Portland, OR

A pressure test tells us a leak exists. Detection equipment tells us precisely where.

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Acoustic Ground Microphone

Pressurized supply line leaks create a low-frequency sound as water escapes the pipe and contacts surrounding soil or structure. Our amplified listening devices filter background noise so we can triangulate the loudest point β€” often to within 6–12 inches of the actual break, through concrete slabs or behind drywall.

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Thermal Infrared Camera

Active water leaks create temperature differentials on the surfaces they contact. An infrared camera shows these as color-coded heat maps, revealing the wet zone inside a wall or under a floor without any cutting. A cold water leak behind drywall appears as a spreading cool zone; a hot water leak shows the inverse.

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Pressure Decay Testing

Pressure decay testing is the standard by which we confirm a leak is present before committing detection equipment time. A rapid drop vs. a slow one also indicates the approximate size of the escape point.

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Tracer Gas Detection

For leaks that don't produce sufficient acoustic signature β€” very slow leaks, polyethylene pipe, or leaks deep under concrete β€” we introduce a nitrogen/hydrogen tracer gas mixture into the isolated pipe and use a calibrated gas detector at the surface to find where the gas escapes. Sensitive to concentrations far below what produces an audible acoustic signal.

What We Locate

Leak Detection for Walls, Slabs, Pools & Irrigation

Hidden leaks occur in different locations throughout a property β€” each requiring a slightly different detection approach. Here's how we handle the most common scenarios in Portland, OR.

Under Slab

Slab Leak Detection in Portland, OR

Supply lines running under or through the concrete slab fail from corrosion, shifting, or manufacturing defects β€” and the leak is invisible from the surface but audible to acoustic equipment. We walk the floor on a grid pattern, map the loudest detection points, and triangulate to a specific floor location, typically within a square foot. Confirmed slab leak location is documented with marked coordinates for the repair crew.

Professional Leak Detection technician working in Portland, OR
In-Wall

In-Wall & Ceiling Leak Detection

Wall and ceiling leaks are often traced by following a visible stain to its apparent high point β€” but visible damage can be several feet from the actual pipe failure due to how water travels down framing members. Thermal imaging reveals the wet zone accurately, and acoustic equipment confirms the pipe location within the wall cavity.

Water Main

Main Line Leak Location in Portland

Supply lines between the meter and the structure run underground and are vulnerable to corrosion, ground movement, and root damage. A main supply line leak shows as high meter usage with all interior fixtures off, sometimes with wet ground or sinkholes along the line path. Acoustic detection locates the failure in the buried line precisely enough to minimize excavation footprint β€” we mark the surface above the leak so the repair crew opens only the section they need to.

Pool & Irrigation

Pool Line & Irrigation Leak Detection

Pool plumbing β€” suction and return lines buried between the equipment pad and the shell β€” develops leaks at fittings or in the pipe body that show as unexplained water loss. We pressure-test the pool plumbing circuit, isolate return and suction lines separately, and use acoustic detection to find which line and where.

24/7 Emergency Leak Detection experts in Portland, OR
Insurance Docs

Leak Detection Report for Insurance Claims

Insurance claims for water damage from hidden leaks typically require documentation that the leak was not visible or detectable without specialized equipment. Our detection report includes: pressure test results confirming active water loss, detection method used, thermal imagery or acoustic mapping showing leak location, and technician certification information.

Commercial

Commercial Property Leak Detection in Portland, OR

Commercial water loss from undetected leaks often shows up as elevated utility bills for months before physical evidence appears. We can assess a commercial building's plumbing system for suspected leaks at the property owner's or manager's request.

πŸ“ž Find My Leak β€” Call +1-844-833-0201
Our Process

How Our Leak Detection Process Works in Portland, OR

Finding a hidden leak isn't a single step β€” it's a protocol that combines water loss confirmation, zone isolation, and targeted detection in sequence.

1

Initial Water Loss Confirmation

This step confirms we're looking for a real leak rather than a meter error or normal appliance cycling.

2

Zone Isolation & Pressure Decay

We isolate the supply system into zones β€” hot side, cold side, individual branches β€” and pressure-test each to determine which is losing water. This narrows the area of active search before detection equipment is deployed.

3

Detection Equipment Deployment

Within the isolated zone, we deploy thermal imaging first β€” scanning walls, floors, and ceilings for moisture anomalies. Then acoustic equipment confirms the specific pipe location and narrows it to the tightest possible point. Tracer gas is added if acoustic results aren't conclusive.

4

Written Report & Repair Options

Insurance-formatted reports are available for claims submission at the same standard β€” no additional cost.

Trusted Leak Detection service in Portland, OR - Masters Plumbing Service
Customer Reviews

What Customers Say About Our Detection Service

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My water bill doubled over three months. Masters Plumbing Service confirmed the meter was moving with everything off, isolated the cold supply to the kitchen as the failing branch, and used the acoustic device on the slab to pinpoint a location 4 feet from the outside wall under the kitchen floor. The repair crew opened a 10-inch circle in the tile, found a pinhole copper elbow exactly where detection said it would be. I was genuinely amazed at the precision.

β€” C. Thornton, Portland
Portland, OR Β· Slab Leak Detection
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Ceiling stain in the living room kept coming back despite two drywall patches. Masters Plumbing Service ran the thermal camera and found the wet zone was traveling from a supply line joint 9 feet away, flowing down a horizontal framing member β€” explaining why the patch kept failing. They marked the actual pipe location, we opened 8 inches of wall there, and the repair held. No more stain.

β€” B. Osei, Portland, OR
Portland, OR Β· In-Wall Leak / Insurance Doc
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Pool was losing 2 inches per day β€” more than evaporation. Masters Plumbing Service pressure-tested the plumbing circuit, isolated the issue to the return line, and ran acoustic detection along the line path to find the failure at a union fitting under the decking. Repair required pulling one deck board instead of the exploratory digging another company had proposed.

β€” T. Anand, Portland, OR
Portland, OR Β· Pool Line / Commercial
FAQ

Leak Detection Questions from Portland, OR Property Owners

If the meter test confirms water loss, call us before opening any walls. Our detection equipment locates the failure to within inches in most cases β€” which means a small, targeted access rather than speculative wall demolition.
In most cases, yes β€” the detection phase is entirely non-invasive. We locate the leak using acoustic, thermal, and pressure methods without any demolition. The detection tells us exactly where to open, which means the access is minimal rather than speculative.
For leaks in plastic pipe, low-pressure situations, or high-noise environments, accuracy may be lower and tracer gas becomes the preferred supplemental method.
Yes. Our written detection report includes: technician credentials, equipment identification, pressure test methodology and results, detection method description, leak location with reference measurements, and supporting thermal imagery. This is the documentation format most insurance adjusters require to approve a concealed-leak water damage claim.
A standard residential leak detection β€” confirming water loss, isolating the failing zone, and deploying detection equipment β€” typically takes 1.5–2.5 hours. More complex scenarios (multi-zone commercial, large properties, very slow leaks requiring tracer gas) can run 3–4 hours.
The repair quote is given before any wall or floor is opened. You know the full cost of detection plus repair before anything is cut.
Service Area

Serving Portland and the Surrounding Portland, OR Region

Masters Plumbing Service provides professional Leak Detection for residential and commercial properties throughout Portland and the surrounding Portland, OR service area. Detection appointments available most weekdays and Saturdays.

Zip Codes We Serve: 97227 97221 97220 97229 97203 97202 97201 97206 97205 97204 97209 97208 97258 97266 97218 97236 97232 97233 97230 97239 97219 97214 97215 97216 97217 97210 97211 97212 97213 97207 97228 97238 97240 97242 97250 97251 97252 97253 97254 97256 97280 97282 97283 97286 97290 97291 97292 97293 97294 97223 97224 97225 97267 97222 97231 97268 97269 97281 97296 97298 β€” and surrounding communities.
πŸ“ž Book Detection β€” +1-844-833-0201
Reliable Leak Detection contractor in Portland, OR by Masters Plumbing Service

High Water Bill or Mystery Stain in Portland, OR? Find the Source β€” Call Masters Plumbing Service

Call now to schedule β€” most detection appointments available within 24–48 hours.

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Our Services in Portland, OR

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🟒 Techs On Duty in Portland, OR Call +1-844-833-0201