Water Leak Detection & Repair in Toronto & the GTA

Every job Tornado Plumbing & Drains completes in Toronto and the GTA — repair, install, replacement, drain work, sewer work, fixture work — is backed by a 25-year workmanship warranty. The written terms are provided with every quote. If our work fails within 25 years of the install date, we come back and make it right.

Finding a hidden leak and fixing it are different tasks, and most failed plumbing visits skip the first one. We treat detection as its own step: we confirm whether you have a supply leak, a drain leak, or condensate before anyone cuts drywall, because each one is repaired differently and lives in a different part of the system. Once the source is verified, the repair is matched to what we actually found — a recut fitting, a section of repipe, or a pipe repair behind the smallest opening that gets us to it.

Pricing depends on whether the leak is supply, drain, or condensate; how accessible the suspected area is; and whether the repair can be done through a small opening or requires more access. The detection step itself stays in a contained range. The repair cost varies based on what is actually behind the wall.

If detection finds repeated pinhole leaks on copper, multiple fitting failures on PEX or polybutylene, or hot-spot patterns on a slab, a single repair may not be the right answer. The conversation usually shifts to repiping a section, replacing a run, or planning broader supply work.

Hidden leaks in Toronto homes show up as unexplained meter movement, warm spots on slabs, water-stained drywall away from any visible fixture, or pressure that drops when no one's running water. Acoustic listening, thermal imaging, and pressure isolation locate them — usually in under an hour — without ripping out drywall to chase the sound.

Many plumbing pipes are located behind walls, below floors, inside ceilings, or underground. This makes visual inspection difficult and means the first visible sign of a leak may appear some distance from the actual source.

Water can travel through framing, insulation, flooring, and other building materials before reaching an area where it becomes visible. For example, a ceiling stain does not necessarily mean the pipe directly above that stain is leaking.

This is why simply repairing visible water damage may not solve the underlying plumbing problem. Finding the source is an important part of an effective repair.

Water leaks can develop because of aging plumbing materials, corrosion, damaged connections, excessive water pressure, worn seals, or physical damage to pipes.

The age of a property can be an important consideration. Older Toronto homes may contain plumbing systems that have been operating for decades, and previous renovations may have introduced different pipe materials or altered the original plumbing configuration.

Cold winter temperatures can also create risks for vulnerable plumbing. Pipes exposed to freezing conditions may expand and become damaged, while seasonal changes can place stress on certain plumbing components.

Underground service lines can develop leaks as well. Unusually wet soil, unexplained puddles, or a noticeably greener section of lawn may indicate that water is escaping beneath the property.

Hidden leaks can occur in many areas of a property. Pipes behind bathroom and kitchen walls are common locations, while connections beneath sinks, toilets, appliances, and water heaters can also develop leaks.

Ceilings may show signs of plumbing leaks from an upper floor. However, moisture in a ceiling can also have other causes, including roof problems or condensation, so the source should be properly investigated.

Underground water lines are another potential source. When water appears outside without an obvious explanation, the property's incoming water service may need to be inspected.

Yes. A continuous leak can waste water even when the property owner does not notice an obvious puddle or dripping fixture.

Underground leaks can be especially difficult to recognize because water may disperse into surrounding soil. If water consumption increases without a corresponding change in household or business activity, investigating the plumbing system can help determine whether a leak is responsible.

Finding the problem early can reduce unnecessary water loss and limit the possibility of secondary property damage.