Plumbers

5 Best Pipe Leak Repair & Detection Services in Toronto

September 24, 2026 Updated Article

A hidden pipe leak in Toronto can cause thousands in damage before you ever see a drop. These are the 5 best pipe leak repair and detection services in Toronto, using acoustic sensors, thermal imaging, and non-destructive testing to find and fix leaks fast.

Leaside Plumbing and Heating
Verified by N49

4.9  (959 Reviews)

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Ranks #1 on Google Maps in Toronto for non-destructive leak detection, ceiling leak repair, and radiant heating pipe fixes.

The Great Plumbing Co
Verified by N49

4.9  (314 Reviews)

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Known for meticulous diagnostic work on hidden wall leaks, pressure imbalances, and pinhole copper pipe leaks.

Plumber To Your Door Of Toronto
Verified by N49

4.9  (562 Reviews)

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Delivers same-day response for urgent valve leaks, fixture drips, and burst water supply lines across Old Toronto.

WaterWorks Plumbing & Drains
Verified by N49

4.8  (553 Reviews)

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Equipped with thermal imaging and acoustic detection tools to find slab leaks and main line pressure drops.

Mr Rooter Plumbing of Toronto ON
Verified by N49

5.0  (11 Reviews)

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Offers automated wireless leak detection sensors and backwater valve installations to prevent catastrophic water damage.