Plumbing notes · when buying or after a backup

Whose pipe is it under the front lawn?

Your lateral carries everything the house drains out to the municipal sewer beneath the street. Along the way it crosses two kinds of land: yours, and the public road allowance. Responsibility usually divides at the property line, but the details vary, and knowing them matters the day a backup or a break arrives.

Call (365) 517-8536

A couple of large machines sitting on top of a dirt field — From the almanac guide on who owns the sewer lateral.

The usual division

In Halton, the owner typically looks after the length on private land and the Region looks after the length under the road allowance. If a defect sits on the public side, the Region may investigate and repair it. Confirm the current policy for your address with the Region.

Why the footage matters

A scope records how far from the foundation a defect sits. That distance shows which side of the line it is probably on, and so who should repair it.

When buying a house

Ask whether the lateral has been scoped
Book a scope for older homes
Look for big trees above the sewer route
Ask the sellers about past backups

One more thing

If a backup happens, the first step is clearing the line and finding the cause. If the camera shows a problem on the public side, contact the Region with the footage.

Some homeowners carry insurance coverage for sewer lateral repairs. Check your policy, as coverage varies and may be an optional add-on.

Trees on public boulevards can send roots into private laterals. Discuss root issues with the Town if a municipal tree is involved.