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Home/Services/Leak Detection

LEAKS & PIPES

Your Local
Leak Detection Company

FIND THE SOURCE.

A stain or damp floor may be far from the leaking pipe. We’ll follow the clues, narrow down the source, and explain what it would take to repair it.

Call (818) 282-5846
Plumber with testing equipment at an exterior water access point
FROM OUR PROJECT GALLERYLEAK DETECTION

THE ISSUE

When To Call For Leak Detection

A stain does not always sit directly below the leak. Water can travel along framing or pipework. We review the symptoms, isolate likely areas, and use suitable diagnostic methods before recommending access or repair.

4.8 169 reviews4.3 64 reviews2 reviewsView Customer Stories

Leak Detection Customer Reviews

Ej K.
I had an urgent plumbing issue with a leak. After searching on Yelp , I found the best quality plumbing services. I checked his positive reviews and made a call. Sergio, the owner, didn't waste any time. Since my issue was urgent, he was able to get to my area, Granada Hills, in less than 30 minutes. Upon arrival, he immediately stopped my water leak and gave me a quote for the repair. Within a timely manner, he found the issue, repaired it, and replaced the faulty parts. I couldn't be happier with his quick response and amazing customer service.
Read review on Yelp
Sevak Gharibjanian
This is best trust plumbing company in the valley. they helped me with my flow by moen smart water leak detection system and everything went perfect. If you are looking for a professional and trustworthy plumber , don’t hesitate to call the best of the best: Best Quality Plumbing Inc!!
Read review on Google
cheryl g
best plumbers ever. we hired Best Quality Plumbing for water leak detection system install and they did a great job! thank guys
Read review on Google

SPECIALTY SERVICES

Find help for the plumbing problem you are facing, compare the available options, and request an estimate for your property.

LEAK DETECTION

Hidden Plumbing Leak Detection

A stain, damp patch, or dripping sound may be your first sign of a hidden leak. We’ll check whether plumbing is the cause, narrow down where the water starts, and explain what repair would involve.

LEAK DETECTION

Leak Behind Shower Wall

Water showing beside or behind a shower does not identify the failed part by itself. We review when it appears, inspect accessible plumbing, and explain how to distinguish a pipe leak from water escaping around the shower enclosure.

LEAK DETECTION

Plumbing Leak Through Ceiling

A ceiling stain or active drip below an upstairs bathroom needs prompt attention, but the upstairs fixture directly above is not always the source. We assess nearby plumbing and use patterns to define a repair plan.

LEAK DETECTION

Slab Leak Detection And Repair

A leak beneath a concrete floor can be difficult to locate from surface symptoms alone. We assess whether plumbing is implicated, explain the evidence and access involved, and compare repair approaches for the confirmed line.

LEAK DETECTION

Water Leaking Through Floor

Water appearing through flooring can spread from a concealed pipe, a fixture, an appliance, or another building source. We check the plumbing clues and explain what is needed to identify the source before repair.

FIELD NOTE / PIPING

Understanding Your
Home’s Water Pipes.

Knowing whether trouble affects one fixture, one area, or the whole property helps narrow the search. It also helps us explain where access may be needed.

FIXTUREBRANCHMAIN LINEPROPERTY

HOW WE HELP

Our Leak Detection Process.

We check the plumbing we can reach before recommending any opening in a wall or floor. Once we find the likely source, we’ll explain the repair and access needed.

  1. 01

    Review The Clues

    We note where water appears and when the symptom occurs.

  2. 02

    Narrow The Source

    We check accessible piping and isolate likely parts of the system.

  3. 03

    Explain The Repair

    We show what we found and discuss the least disruptive practical fix.

GOOD TO KNOW

Leak Detection
Questions Answered.

Here are answers to questions we hear often. Call if you want to talk through your own situation.

Can you find a leak behind a wall?

We can investigate hidden leaks using the symptoms, accessible plumbing, and appropriate diagnostic methods. Some access may still be required for repair.

Is a high bill always a leak?

It can be a clue, but usage changes and other factors matter. A meter check and plumbing assessment can help.

What should I do with an active leak?

If safe, shut off the affected supply or main water valve, and call for urgent help.

FROM THE FIELD GUIDE

Leak Detection
Guides & Tips.

Four practical reads about leak detection. Learn what to watch for, what options to discuss, and when a hands-on assessment helps.

LEAK DETECTION

Keep A Clue Log For A Possible Hidden Leak

How to document dampness, sound, and timing so a leak investigation starts with useful evidence.

2 MIN READ
LEAK DETECTION

Use Your Water Meter To Check For Unexplained Use

A careful meter check that helps determine whether water is moving while the home is idle.

2 MIN READ
LEAK DETECTION

What To Do While An Active Water Leak Is Spreading

Immediate, safe steps to limit water damage before a plumber arrives.

2 MIN READ
LEAK DETECTION

Prepare For A Leak Detection Appointment

Information and access that help a plumber investigate a hidden or intermittent water leak.

2 MIN READ
View these guides in the resource library

KEEP EXPLORING

See All 14 Services
Leaks & Pipes

Repiping

Whole-home and partial repiping for aging or troublesome pipes.

Leaks & Pipes

Water Main Services

Help with repairs and replacement for your main water line.

Emergency

Emergency Plumbing

Urgent leak or unexpected backup? Call our team, day or night.

LEAKS & PIPES

Choose a community to see what leak detection includes, common signs to watch for, and the estimate process. Service is coordinated from our Sylmar office.

SERVICE AREA

San Fernando Valley

OFFICELeak Detection in SylmarSERVED COMMUNITYLeak Detection in San FernandoSERVED COMMUNITYLeak Detection in ArletaSERVED COMMUNITYLeak Detection in EncinoSERVED COMMUNITYLeak Detection in Granada HillsSERVED COMMUNITYLeak Detection in Mission HillsSERVED COMMUNITYLeak Detection in North HillsSERVED COMMUNITYLeak Detection in North HollywoodSERVED COMMUNITYLeak Detection in NorthridgeSERVED COMMUNITYLeak Detection in PacoimaSERVED COMMUNITYLeak Detection in Porter RanchSERVED COMMUNITYLeak Detection in Reseda
SERVICE AREA

Santa Clarita Valley

SERVED COMMUNITYLeak Detection in Santa ClaritaSERVED COMMUNITYLeak Detection in CastaicSERVED COMMUNITYLeak Detection in NewhallSERVED COMMUNITYLeak Detection in Stevenson RanchSERVED COMMUNITYLeak Detection in Valencia
SERVICE AREA

Glendale & The Foothills

SERVED COMMUNITYLeak Detection in GlendaleSERVED COMMUNITYLeak Detection in La Cañada FlintridgeSERVED COMMUNITYLeak Detection in La CrescentaSERVED COMMUNITYLeak Detection in AltadenaSERVED COMMUNITYLeak Detection in SunlandSERVED COMMUNITYLeak Detection in Tujunga

CLOSE TO HOME

Plumbing Service
Areas We Cover.

Based in Sylmar and serving homes and businesses across 22 nearby communities.

SYLMAR BASED23 COMMUNITIESAPPROX. 30-MILE RADIUS
Explore Service Areas
SYLMAR, CAOur office
SYLMAR OFFICE SERVED COMMUNITY
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Map data © OpenStreetMap contributors

THE NEIGHBORHOODS WE SERVE01 — 22

San Fernando Valley

Santa Clarita Valley

Glendale & The Foothills

The circle is an approximate 30-mile guide from our Sylmar office, not a precise service boundary. Call to confirm service at your address.

READY WHEN YOU ARE

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Plumbing Estimate.

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