Residential Plumbing · York Region & GTA

Leak Detection
& Repair

A hidden leak quietly damages your home and drives up your water bill. We find the source fast, with the right tools, and seal it properly so it does not come back.

★★★★★ 5.0 from 169 Google reviews
What this service covers

Stop the leak at the source, not just the symptom

Leaks rarely announce themselves. By the time you see a stain on the ceiling or a spike in your water bill, water has often been escaping behind a wall or under a floor for weeks. Daniel and the team use modern detection equipment to pinpoint exactly where the water is coming from, then repair it cleanly with as little disruption to your home as possible.

From a dripping supply line to a slab leak you cannot see, we handle the full job: find it, confirm it, fix it, and make sure it is truly resolved before we leave.

Warning signs

Think you might have a hidden leak?

If any of these sound familiar, it is worth getting checked before the damage spreads.

Water bill creeping up

A bill that climbs for no clear reason often points to water escaping somewhere you cannot see.

Stains or warping

Discoloured patches on ceilings or walls, or floors that feel soft or warped, are classic leak signs.

Low water pressure

A sudden drop in pressure can mean water is leaking out of the line before it reaches your tap.

Musty smell or mould

A damp, musty odour or mould appearing in corners usually means moisture is sitting where it should not.

Meter keeps moving

If your water meter keeps ticking when every tap is off, water is going somewhere it should not.

Sound of running water

Hearing water move inside a wall or floor when nothing is on is a strong sign of a hidden leak.

How it works

From first call to dry and done

1

Call & describe

Tell us what you are seeing. We will give you honest first guidance and book a visit, often the same day.

2

Locate the leak

On site, we use acoustic and thermal tools to pinpoint the exact source, without tearing your home apart.

3

Repair it properly

You get a clear, upfront quote. Once approved, we make the repair cleanly and to code.

4

Confirm & clean up

We test to confirm the leak is gone, walk you through what we did, and leave the space tidy.

Why homeowners call us

Local, owner-run, and straight with you

When you call Canadian Standard Plumbing, you reach a real plumber, not a call centre. Daniel built this business one honest job at a time, and it shows in 169 five-star reviews from across Vaughan and York Region.

  • Owner-operated, done right the first time
  • Punctual, tidy, and respectful of your home
  • Honest, upfront pricing with no upselling
  • Backed by a 5.0★ rating across 169 reviews
★★★★★

"Daniel found a leak two other plumbers missed, fixed it the same day, and the price was exactly what he quoted. Could not ask for more."

Verified Google review
Good to know

Leak detection questions, answered

A few of the things homeowners ask us most. Have a different question? Just call.

(416) 209-4773
How do you find a leak without breaking walls?

We use non-invasive tools like acoustic listening devices and thermal imaging to narrow down the exact spot before opening anything. That means we only access the area we actually need to, keeping repairs clean and costs down.

How fast can you come out?

For an active leak, we offer same-day service whenever possible. Call us and describe what is happening, and we will get you booked as quickly as we can.

Do you give a price before starting?

Always. Once we have located the leak and understand the repair, you get a clear, upfront quote. No work happens until you approve it, and there are no surprise charges at the end.

What areas do you serve?

We cover Vaughan, Thornhill, Woodbridge, Maple, Concord, Richmond Hill, Markham, Aurora, King City, Toronto, and the surrounding GTA.

Is a small leak really worth fixing now?

Yes. Small leaks rarely stay small. Left alone, they waste water, raise your bill, and can lead to rot, mould, and expensive structural damage. Catching it early is almost always the cheaper path.

Have a leak? Let's find it.

Call now for honest advice and a fast, fair quote. Same-day service available for active leaks across York Region and the GTA.