Plumbing & Electrical
Professional Drain Unclogging & Leak Repairs Toronto fixing sink pipe by CNG Contracting.

Drain unclogging and leak fixing

Professional drain unclogging and leak repair in Toronto & GTA. We clear blockages, find the source of leaks and fix them properly — so the problem is solved, not temporarily masked. Book online and our team will reach out to schedule.
Licensed & Insured
15+ Years Experience
Same-Day Service Available
Warranty Included
Top Rated
Detail Oriented
Drain unclogging and leak fixing
Drain unclogging and leak fixing
Drain unclogging and leak fixing

Detailed Description

Slow Drains and Dripping Pipes in Toronto & GTA Homes Don’t Resolve Themselves

A slow kitchen drain in a Toronto & GTA home that gets worse over weeks isn’t a minor inconvenience — it’s a blockage forming that will eventually become a complete stoppage, often at the worst possible time. A dripping pipe connection under a vanity that started as an occasional drip has been slowly saturating the cabinet floor, the subfloor underneath, and in some cases the ceiling of the floor below. Both situations are exactly as manageable as they sound when they’re small. Both become significantly more expensive when they’re not addressed promptly.

At CNG Contracting, drain and leak work in Toronto & GTA starts with understanding the actual problem before applying a fix. Not all slow drains have the same cause. Not all leaks have the same source. A clear diagnosis before treatment means a solution that actually works — not a temporary fix that delays the same call for six months.

What Proper Drain and Leak Work Means in Toronto & GTA

  • Blockage Assessment: The location and nature of a blockage in Toronto & GTA home drain lines determines the right approach — mechanical clearing, enzymatic treatment, or access panel work for deeper line blockages.
  • Leak Source Identification: Visible drips are often not where the leak originated. We trace the actual source before repair — because fixing the symptom location of a leak that’s coming from somewhere else wastes time and money.
  • Proper Repair, Not Temporary Fix: We use correct fittings, connections, and materials for every repair. P-trap replacement, supply line replacement, compression fitting replacement — done to last, not to hold until the next call.
  • Drain Line Testing: After clearing and repair, we test flow and connections to confirm the problem is resolved before leaving your Toronto & GTA property.

Common Drain and Leak Situations in Toronto & GTA Homes

  • Kitchen sink drains slow with grease and food debris accumulation
  • Bathroom drain blockages from hair and soap buildup — the primary cause in Toronto & GTA homes
  • P-trap replacement — deteriorated or incorrectly configured traps are common in older Toronto & GTA properties
  • Supply line leaks at vanities, toilets, and appliance connections
  • Drain connection leaks — frequently discovered when water staining appears below the sink

Drain and leak problems in your Toronto & GTA home are easier and cheaper to address when they’re caught early. Book your visit before a small problem becomes a bigger one.

Service Details

IncludesDiagnosis, blockage clearing or leak repair, connection testing, cleanup
Time on site1 to 3 hours depending on complexity
Warranty2 years on workmanship
Licensed & insuredYes
Service areaToronto & GTA and surrounding GTA

Frequently Asked — Drain and Leak Repair in Toronto & GTA

Can you clear a drain that’s been slow for a long time in my Toronto & GTA home?

Yes — slow drains that have been developing over months typically have significant buildup that mechanical clearing addresses effectively. Very long-standing partial blockages occasionally require more than one treatment. We assess the situation during the visit and tell you what’s realistic.

What if the leak is coming from behind the wall in my Toronto & GTA home?

In-wall leaks require access to trace and repair properly. We assess where access is most practical, discuss the approach with you, and repair with minimum disruption to your Toronto & GTA home’s surfaces.

How do I book drain or leak service in Toronto & GTA?

Book online in under two minutes. Our Toronto & GTA team contacts you directly to confirm details and schedule.

Recurring drains in Toronto & GTA homes — the drain that clears and blocks again within a few months — usually indicate either a pipe slope problem, root infiltration in main drain lines, or a chronic accumulation point that needs a mechanical solution rather than a chemical one. We advise on the appropriate next step when a drain has a history of recurring blockage.

Requires inspection: Yes
Estimated Time: 1 to 3 hours
Materials included: Not included (unless specified)
Warranty Period: 2 years
Service Complexity Moderate

Why is a Technical Visit necessary?

Pouring chemical drain cleaners down a slow sink is often a mistake. These harsh chemicals can eat through old metal pipes and melt plastic gaskets, turning a simple clog into a major leak inside your wall. Our Drain Unclogging & Leak Repairs assessment involves mechanically removing the physical blockage (like hair or food) to restore flow safely without damaging your plumbing infrastructure.

Step 1 of 3 · OVERVIEW

SCHEDULE AN INSPECTION

Request your technical visit.

Tell us what you need and a certified specialist will visit you to evaluate your project and give you a real quote the same day.


  1. 1
    Real diagnosis in your home. A technician evaluates materials, measurements, access, and local regulations.
  2. 2
    The visit cost is discounted from the project. The fee is fully credited to your final invoice once you approve the quote.
  3. 3
    No commitment if you don’t approve the quote. If you don’t accept the quote after the visit, there is no obligation to proceed.
  • Certified technicians — licensed & insured
  • Real quote — same day as the visit
  • No surprises — no hidden costs
✓ Certified technicians ✓ Insured ✓ No hidden costs
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