Supply lines and shutoffs
A leak near a fitting, a valve that will not close, low flow at several taps, or an exposed pipe that needs attention. The scope depends on where the problem starts.

House · Condo · Apartment
A shutoff valve that will not close, a running toilet, a slow drain, or a new fixture to connect? Plomberie Anjou handles plumbing repairs and installations in homes across Anjou, Montréal and nearby areas. Tell us what is happening so we can direct the work appropriately.
Start with the right clue
The same puddle could come from a supply connection, a fixture, or a drain. Identifying the symptom first helps narrow down what needs checking before any part is replaced.
A leak near a fitting, a valve that will not close, low flow at several taps, or an exposed pipe that needs attention. The scope depends on where the problem starts.
A running toilet, dripping faucet, sink connection, or electric water heater problem calls for a look at the fixture and its connections. If a hot water tank is leaking, tell us where the water appears.
A slow sink, clogged drain, or water backing up may involve one fixture or several. Where the symptoms appear and whether they recur helps determine the next step.
Decide when to act
Act now
For an active leak, overflow, or sewer backup, stop using the affected fixtures. If you can safely reach a shutoff valve that isolates the water, close it. If water reaches electrical equipment, do not touch it; follow Hydro-Québec’s electrical safety advice. Call and explain what is happening.
Call about an urgent problemPlan the work
A faucet replacement, a toilet that is not working properly, a new appliance connection, or several small plumbing repairs can be described together. Include the fixtures involved, access to them, and any water shutoff that must be coordinated.
Tell us about the projectThe building matters
A residential plumber needs to know how the shutoffs, fixtures, and shared piping can be accessed, and who may be affected by a water interruption.
The main shutoff, basement, and fixtures are often accessible to the same household. Note whether only one tap is affected or the issue appears throughout the home.
Helpful to have ready: the valve location and photos of the connection.
A plumbing installation involving a shared pipe or the valve serving the unit may require coordination with the condo syndicate, depending on the building’s rules.
Helpful to have ready: unit access and a contact for common areas.
A drain or supply line may serve more than one apartment. Let us know which units show the symptom and what access will be available.
Helpful to have ready: occupant availability and the problem’s location.
Repair, replace, connect
A plumbing repair may involve an accessible seal or shutoff valve. A worn fixture, deteriorated pipe, or recurring blockage may call for a broader solution. The condition and access should be checked before deciding.
Anjou and Greater Montréal
In Montréal, if the exterior water service valve between the building and the city main must be closed for plumbing work, the request goes through the borough. The steps vary by borough and by whether the work is urgent or planned. Once the need is clear, we can identify the details you should provide.
Low water pressure can also result from work on the municipal system or from the building’s own plumbing. Check for notices in your area before assuming the problem is inside the home.
A clear request from the start
01
Share the address, type of home, affected fixtures, when the issue began, and whether the water can be shut off. Photos can help show the access.
02
On site, the installation’s condition and access guide the assessment. Repair and replacement options are explained in light of what is found.
03
The connections or fixtures within the agreed scope are returned to service and checked. For a larger project, the steps that need coordination are identified.
Customer experiences
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Common questions
A few details make the request clearer, especially when a building has shared access to the water supply.
Tell us about every faucet, toilet, valve, or connection at the outset. Their condition and accessibility will determine the scope of the visit; the time required cannot be assumed in advance.
No. The issue may involve a tank component, supply connection, or shutoff valve. An inspection helps determine whether a targeted repair makes sense or the fixture should be replaced.
Identify the unit, shutoff locations, access to common areas, and who can coordinate a water interruption. The building’s rules may require notice to other occupants.
No. The City of Montréal notes that work or incidents on its network can temporarily lower pressure; a service-line leak or internal plumbing can also be responsible. Check local notices and tell us whether all taps are affected.
The building owner or a representative must contact the borough to request closure and reopening of the exterior valve. The procedure varies by borough, so consult the City’s guidance linked above before scheduling work.
A repair or installation ahead?
Leak, fixture, drain, or water supply pipe: explain what is happening, where the problem appears, and whether the water can be isolated. These details help us determine the next step.