Toronto plumbers for backwater valves, sump pumps and older pipes

Older houses, finished basements and the City's flood programs — tell us what's going on and a local plumber who covers Toronto gets back to you with a quote.

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Much of Toronto's housing is older than anywhere else we cover: pre-war semis and detached homes in the old city, postwar bungalows in the inner suburbs, and decades of renovation layered on top. Older houses bring older plumbing — cast-iron and clay drains, galvanized supply pipe and, in homes built before the mid-1950s, sometimes a lead water service.

Basement flooding is the other big theme. The City of Toronto runs a Basement Flooding Protection Subsidy Program that has helped homeowners pay for backwater valves, sump pumps and disconnecting foundation drains from the sewer. The terms, amounts and paperwork are the City's and they change, so read the current rules on the City's website before you book — permits and inspection are typically part of it.

If your home might have a lead service, the City of Toronto has information on testing your water and on the City-owned portion of the pipe; the private portion, from the property line into the house, is the owner's. Tell us what you need, and your request goes to one plumber who covers your part of Toronto. North York and Etobicoke have their own pages.

York Simcoe Plumbing is a free referral service: your request goes to one independent local plumber serving Toronto, and they quote and do the work.

Common Jobs in Toronto

Backwater valves under Toronto's subsidy program

If you plan to claim the City's Basement Flooding Protection Subsidy, check its current rules before work starts and tell the plumber, so the permit and paperwork match.

Sump pumps and backwater valves →

Old clay and cast-iron drains

Tree roots in older laterals are a classic Toronto backup. A camera inspection shows whether it is roots, a break or a sag.

Drain clearing and sewer lines →

Lead and galvanized water service replacement

Replacing an old lead or galvanized service pipe on the private side is plumbing work; coordinate the timing with the City for its side of the property line.

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Toronto Questions, Answered

The City of Toronto has run its Basement Flooding Protection Subsidy Program for years, covering backwater valves, sump pumps and pipe severance. Its terms, amounts and requirements are set by the City and can change, so check the City of Toronto website for the current rules before any work starts.

Look at the pipe where the water comes into the house, before the meter. Lead is dull grey and soft, shows a shiny silver colour if you gently scratch it, and a magnet will not stick to it. Homes built before the mid-1950s are the most likely to have one. The City of Toronto has information on testing your water for lead.

We refer across Toronto, with separate pages for North York and Etobicoke. Pick the closest option on the form and give your neighbourhood in the details. If nobody in the network covers your address, we will tell you.

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Plumbers Near Toronto

North York Etobicoke Thornhill Concord Woodbridge Markham All service areas

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York Simcoe Plumbing is a free referral service: your request goes to one independent local plumber, who quotes and does the work. We may receive compensation when you are connected with a plumber; there is no charge to you.