Sewer Lateral Repair in North York, ON | OCM Excavation

Sewage in the basement is one of the worst calls a homeowner makes. The sewer lateral — the underground pipe that runs from your house to the city’s sewer main under the street — is almost always the cause. From your foundation wall to the property line, that pipe is yours. Call OCM Excavation at 416-317-3090 right now. We give same-day diagnosis on any North York call before 2 PM and put a camera down the line before quoting a dollar of repair work.

Why North York Laterals Fail

North York has one of the highest concentrations of original clay sewer laterals in the entire GTA. Lawrence-Bathurst, Willowdale, Don Mills, the Bayview corridor, Lawrence Park — these are the streets we run on weekly. Many of these laterals were laid between the 1940s and the early 1960s and the clay pipe is at or past the end of its service life. Four failure modes dominate the work:

1. Root intrusion — the #1 cause across mature North York streets. Roots find hairline cracks in clay joints, grow inside, and choke flow until backup hits the basement.
2. Pipe collapse or belly — clay pipe settles over 50 to 80 years. The line sags, holds standing waste, and a section eventually caves in.
3. Offset joints — hub-and-spigot clay joints shift under decades of freeze-thaw. Debris catches at the offset.
4. Wipe and grease blockage — disposable wipes are not actually flushable. They snag on any offset or root mass and finish the job.

Camera Inspection Comes First

We do not quote a North York sewer lateral repair until we’ve put a camera down the line. The inspection runs $350-$600 and tells us exactly where the break is, how deep, what the pipe material is, and whether you need a single spot repair or full replacement. No camera, no honest quote. Call 416-317-3090 to book the inspection.

Repair Options and Pricing

• Spot repair — $4,500 to $8,000. Excavate to the failed section, typically 6 to 10 feet deep, cut out the bad clay, splice in PVC, backfill. Right call for a single isolated failure.
• Full lateral replacement — $8,000 to $18,000. Open-trench replacement from the foundation to the North York property line, full PVC. Required if the pipe fails in multiple spots, or if the line is over 60 years old and a spot repair just delays the next failure.
• Trenchless pipe bursting — $6,000 to $12,000. Hydraulic burster pulls new PVC through the old clay, with two pits instead of an open trench. Less yard disruption. Only works on certain configurations — the camera tells us.

Permits and City Coordination

Every North York sewer lateral repair needs a sewer connection permit and an Ontario One Call locate before we break ground. We handle both. Most jobs require connecting to an existing cleanout or installing a new one at the property line. We do not quote specific bylaw section numbers — those shift — but we coordinate directly with the City of Toronto inspector who covers North York and pull every permit required.

Insurance — What’s Actually Covered

This catches North York homeowners off guard. A home policy with a sewer backup rider typically covers damage inside the house — flooring, drywall, contents. It usually does not cover the sewer line repair itself. The excavation and pipe replacement is on the homeowner. We provide a fully itemized invoice so your adjuster has clean documentation for any partial coverage they will consider.

Response and Equipment

Any North York call placed before 2 PM gets same-day diagnosis. Repair start is normally next business day, or 1 to 3 days depending on permit issue time. Active basement backup gets priority dispatch — we move it ahead of scheduled work. We bring a Yanmar SV40 mini-excavator, our camera unit, a plate compactor for backfill, and rent a hydraulic burster when trenchless makes sense. Phone 416-317-3090.

FAQ

How do I tell if the broken pipe is on my property or on the city’s?

The camera footage shows distance from the cleanout and depth. If the failure is between your foundation wall and the property line, it’s your pipe. From the property line out to the sewer main under the road, it’s the City of Toronto. We show you the marker so there’s no question.

Why does this keep happening even after I’ve had it snaked?

Because snaking removes the root mass but does not repair the cracked clay pipe the roots are growing through. They regrow within months or a year. Snaking is a recurring maintenance cost; a pipe repair or replacement is a permanent fix.

What about the big tree in my front yard?

The tree itself is rarely the problem — it’s the cracked clay pipe the roots found. We can usually replace the lateral without removing the tree, especially with trenchless pipe bursting. Open trench may require careful work around major roots, but tree removal is almost never necessary.

How long until I can use water and toilets again?

For a spot repair, service is usually restored same day at end of work. Full open-trench replacement may require a 1 to 2 day no-flow window. Trenchless bursting usually restores service the same day the new pipe is pulled through.

Call Now

This is not a wait-it-out problem. Call OCM Excavation at 416-317-3090 or request a free quote at our quote page. Related North York work: emergency excavation North York, drainage and french drain North York, excavation contractor North York, sewer lateral repair Toronto, full GTA service areas.