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Licensed plumbing contractor · RBQ 5688-9025-01

Emergency service available 24/7

Plomberie Anjou

Saint-Laurent · Montréal · Emergency calls 24/7

Saint-Laurent plumber: clear answers for your plumbing problem

Need a Saint-Laurent plumber for a leak that will not stop, a backed-up drain, or a leaking hot water tank? Plomberie Anjou takes emergency calls and requests for planned work. Tell us what is happening and what access is available so the visit can be prepared around the actual problem.

RBQ 5688-9025-01CMMTQ memberEmergency calls received 24/7

Illustration for the Saint-Laurent plumber page: a professional inspects a shutoff valve and copper water line in a residential basement.

Illustrative image · checking a water shutoff valve
Water is leakingTell us where it appears and whether a valve can isolate it.
Water will not drainIdentify the affected fixtures and any sewage coming back up.
Replacement is plannedNote the fixture, dimensions, and access constraints.

Understand the issue first

Need a Saint-Laurent plumber? Start here

Low water supply, an active leak, and a drainage problem call for different first steps. A few simple observations help prioritize the call without taking pipes apart or assuming the source is where the water becomes visible.

If water is near an outlet or electrical equipment, keep clear of the area. You may close an accessible valve without forcing it; if it resists or you are unsure, call us.

The leak is still active

Close the fixture valve if you can do so safely. If water keeps flowing, tell us whether the main shutoff is accessible, whether another unit is affected, and where you see moisture.

Explore water leak repair

Water is off or pressure has changed

Check whether one tap, the whole building, or nearby addresses are affected. Review the City of Montréal’s notices and alerts for a reported interruption. If the issue seems limited to your building, the private water supply may need to be assessed.

A drain is slow or backing up

Stop using fixtures that discharge into the affected line if sewage is coming back up. One clogged fixture and several drains reacting together can point to different areas to inspect.

Learn about drain unclogging

Work on the right system

Plumbing services for your Saint-Laurent address

This local page helps you direct the request. The service pages explain the methods and decisions in more detail once you know what is affected.

01 / WATER SUPPLY

Pipes, fittings, and shutoffs

A damp connection, a valve that will not close, or a leak near the main supply calls for a clear distinction between accessible indoor plumbing and the scope of any work on the service line.

Water service line

03 / HOT WATER

Electric water heater

Water around the tank, lukewarm water, and no hot water call for different checks. The unit’s age, access, and connections help determine whether repair or replacement is appropriate.

Electric water heater service

04 / PROTECTION

Sewer backup and backwater valves

After sewage comes back up, the first task is to understand where it entered and which fixtures are affected. An existing valve still needs to be accessible and checked for its condition.

Backwater valve service

What the address tells us

Saint-Laurent has more than one type of building.

Bois-Franc and Nouveau Saint-LaurentHouses, townhouses, and condominiums depending on the address.Village MontpellierCondominium buildings are part of this area.Vieux-Saint-LaurentA neighbourhood centre with homes and businesses.

Useful context, no assumptions

Access and authorization shape the visit

The City’s official Saint-Laurent profile describes several residential areas and building types. That cannot tell anyone the condition of the pipes at your property. Your building’s layout, however, helps prepare a service call.

For a house, tell us where the main shutoff, water heater, and affected drain can be accessed. For a condominium or multi-unit building, identify the unit, access to shared areas, and the person who can authorize entry to a mechanical room or a building-wide water shutoff.

A photo of a visible fitting or drain can help describe the problem when the area is stable and safe. It does not replace an on-site assessment.

The problem is in private plumbing

A leaking fixture, water heater, indoor valve, or building drain needs a plumbing assessment first. Describe the symptoms, access, and any work already attempted. The appropriate repair can be determined after inspection.

Send details of the problem

The exterior shutoff is needed

If work requires the water service to be shut off outside, the request goes through the borough. The City explains how to request a shutoff or locate the service box. Select Saint-Laurent and check the applicable steps before scheduling work.

From the call to a decision

A visit prepared around your problem

One symptom can have more than one cause. The goal is to define what needs to be checked and then explain the options based on the condition of the plumbing and the access available.

STEP 01

Describe

Address, building type, affected fixture, active or occasional symptoms, when the issue began, and access to the shutoff or mechanical room.

STEP 02

Check

Identify the part of the system involved, the available access, and the scope of the visit. A camera inspection or municipal coordination is considered when the findings call for it.

STEP 03

Choose the next step

Depending on the cause and required parts, the answer may be a targeted repair, replacement, or work to schedule. The scope is explained before work begins.

Planning a renovation or fixture replacement instead? Describe the project and access constraints so the right assessment can be prepared.

Explore renovation plumbing

Customer reviews

Read customer experiences before you call

Published reviews offer a view of customer experiences. Your request will be assessed according to the address, affected equipment, and work needed.

Review overview

Published feedback

Useful questions

Before requesting service

These answers help you describe the issue. An on-site assessment is still needed to confirm the cause and the scope of work.

There is no water. Should I call the City or a plumber?

If several addresses seem affected, start with Montréal’s notices and alerts. If the problem appears limited to your building, note which taps still work, the position of the indoor shutoff, and any notice received for your street. A plumber can assess the private system; the City handles its own infrastructure.

Does every leak require the exterior service box to be shut off?

No. A fixture valve or the indoor main shutoff may isolate some work. If an exterior shutoff is needed, the borough explains how to request it. Do not force a faulty valve; tell us what can be closed safely.

Does a clogged drain always need a camera inspection?

Not always. A camera may be useful when a blockage returns, several drains react together, or the cause remains uncertain after the first checks. The decision depends on the line and access.

What should I prepare for a condo or rental unit in Saint-Laurent?

Share the unit and floor number, affected fixtures, and access rules. If a valve or pipe serves several units, contact the building manager or condo syndicate to clarify authorization and coordination.

Does a sewer backup after heavy rain mean the street is at fault?

Not necessarily. The water’s entry point, path, and the building’s protection need to be examined. The City describes stormwater measures in Saint-Laurent, but those measures do not diagnose a particular property. Stop using fixtures that discharge water if sewage is backing up.

Tell us what is happening

Need a Saint-Laurent plumber?

For an emergency, call and describe any active leak, backup, or affected fixture. For planned work, send your address and the useful details through the contact form.