Montreal, Quebec

Plumbers in Montreal, QC

Plumbing problems in Montreal rarely wait: a leaking supply line, a backed-up drain or a failed water heater needs someone today. This page shows plumbers working in Montreal and the surrounding Greater Montreal area, what Quebec’s rules mean for your job, and the questions that separate a fair quote from a surprise bill.

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What to know before hiring a plumber in Montreal

Plumbing permits in Quebec are municipal, so ask whether your job needs one before work starts; replacing a fixture usually does not, while moving drains or supply lines often does. A gas water heater is a gas job as well as a plumbing job, which brings in Régie du bâtiment du Québec (RBQ) and a gas-ticketed installer.

In a syndicat de copropriété, the pipe inside your wall may be yours while the riser or main shutoff is common property. Confirm with the syndicat before anyone touches shared plumbing, and know where your unit’s shutoff is before the plumber arrives.

Montreal’s signature housing is the plex, two or three stacked units with exterior stairs and shared services, alongside a growing condo market governed by a syndicat de copropriété. Winters are cold and snowy, spring thaw floods basements, and many tradespeople work primarily in French, so ask about language before booking if it matters to you.

Have this ready when you call

  • Location of the main water shutoff
  • Photos of the leak, fixture or drain
  • Age of the water heater and its model plate
  • Whether the problem affects one fixture or the whole home
  • Building rules for elevator, parking and work hours

Questions to ask before booking

  1. Is there a call-out or diagnostic fee, and is it credited to the repair?
  2. Do you pull the permit if one is needed?
  3. Is the quote flat-rate or hourly, and what does it include?
  4. What warranty covers the parts and the labour?
  5. Do you carry liability insurance and workers’ compensation coverage?

Frequently asked questions

Do I need a permit for plumbing work in Montreal?

Usually only when you change the layout of drains, vents or supply lines or install a new fixture where none existed. Like-for-like replacement of a faucet, toilet or electric water heater generally does not need a permit in Quebec, but a gas water heater does bring in gas regulation. Ask the plumber to confirm with the municipality before quoting.

Who pays for a sewer line repair on my property?

Across Canada the property owner is normally responsible for the sewer lateral from the house to the municipal connection, and the city for the main. A camera inspection tells you which side the fault is on before you pay for excavation.

What should a plumbing quote in Montreal include?

A written total that separates the call-out or diagnostic fee, labour, parts, taxes and any permit or disposal charges, plus the warranty on parts and labour. If a part must be ordered, ask whether the return visit is included.

Is a leaking pipe an emergency in a syndicat building?

Treat it as one. Water escaping into a neighbouring unit is one of the most common syndicat insurance claims and the owner of the unit where it started is usually responsible. Shut the supply, report it to the building right away, and photograph everything before cleanup.

Read before you book

  • Drain and sewer repair in VancouverSewer backup or drainage problem? How to tell them apart in Vancouver, who pays for the pipe on your property, and what a camera inspection should show.
  • Repair or replace a water heaterWhich water heater faults are repairable, which mean replacement, what permits apply in BC, and how to compare tank, tankless, and heat pump options in Canada.
  • Basement flooding repair in TorontoWhy Toronto basements flood, who is responsible for which pipe, what a backwater valve and sump pump actually do, and how the City’s subsidy program fits into the repair.

Nearby communities

Trades based in Montreal usually cover the surrounding area, and trip charges often change at municipal boundaries. Ask how travel is billed before booking.

Other repair services in Montreal

Or start from the Montreal repair hub.

Sources

  1. Corporation des maîtres électriciens du Québec (CMEQ)Licensing and permits for electrical work in Quebec.
  2. Régie du bâtiment du Québec (RBQ)Gas and fuel safety in Quebec.
  3. Office de la protection du consommateurConsumer rights, contracts and deposits.
  4. CNESSTWorkers’ compensation coverage and clearance letters.

Rules and programs change. Confirm with the source and get a written quote before deciding.

For businesses

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