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(514) 418-4456
What is a sump pump?
A sump pump, also known as a pompe de puisard, is a device typically installed in a basement or crawl space to evacuate water that accumulates around your building's foundations. Its primary functions are:
Protect your home against excessive humidity and water backflow Maintain a healthy water level under the basement floor Avoid problems of mould and structural deterioration
Why install a sump pump?
Flood risk reduction In the event of heavy rain or melting snow, the sump pump quickly evacuates accumulated water. Preserving health Less humidity in the basement means less mold and bacteria. Value added to the property A watertight, well-maintained basement enhances the value of your home. Protecting your assets Avoid water damage to floors, walls and furniture.
How does a sump pump work?
- The float activates: It triggers the sump pump motor.
- Water is pumped out: The sump pump directs water outside the building through a discharge pipe.
- Secure discharge: Water is evacuated safely away from the foundations to prevent infiltration.

Available types
Submersible pumps : Placed directly in the sump, it is discreet and produces little noise. - Pedestal pump: The motor is positioned above the water level, generally less expensive but more visible and slightly noisier.
Battery backup pump : Maintains operation even in the event of a power failure. Combination pump : Combines a main pump and an emergency pump in the same device.
Cost and price: factors to consider
Pump type
Comparison of sump pump types available in Quebec
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Excavation and sump installation
Recommended safety accessories
Battery backup : Highly recommended because of the frequent power outages due to bad weather in Quebec. Sound price with installation lies between 400 $ and 1,200 $. Check valve : Effectively prevents water from re-flooding the sump. Sound installation cost is generally between 50 $ and 150 $. Water level alarm : Useful to be alerted immediately in case of excessive water rise, with a cost varying between 75 $ and 200 $.
Condition of existing plumbing
Estimated total cost of a complete installation
Taking all of the above factors into account, the average total cost for a complete sump pump installation in Quebec — including the pump, excavation, accessories, and professional labor — typically ranges between $2,500 and $6,500.
Note that if you are only proceeding with the replacement of an existing submersible pump, without any excavation work, the cost is generally lower. On average, a basic replacement costs between $350 and $1,100, depending on the type of pump and the configuration of the existing system.
For a personalized estimate tailored to your property in Quebec, it is highly recommended to request a detailed quote from specialized professionals in the installation, maintenance, and replacement of sump pumps. This ensures a durable, safe, and code-compliant result.
Installation steps
- Initial evaluation: Assessment of the basement, moisture levels, and existing layout.
- Sump pit preparation: Digging or adjusting the sump pit hole, and installing an appropriate sump basin.
- Electrical connection: Checking the outlet or installing a dedicated one, sometimes with a ground fault circuit interrupter (GFCI) for safety.
- Pump placement: Installation of the submersible or pedestal pump, and positioning of the float switch.
- Discharge drain installation: Connecting the pipe to the exterior, optionally adding a check valve.
- Functionality test: Checking water rise, adjusting the float, and inspecting the tightness of the connections.
Thanks to a professional installation, you are guaranteed an efficient and long-lasting system.
Maintenance and repair
- Regular cleaning: Remove sediment and debris from the sump pit.
- Float check: Make sure it moves freely and is not obstructed.
- Test the pump periodically: Add water to the sump pit to see if the pump activates and shuts off properly.
- Inspect the discharge pipe: Check for any leaks or blockages.
- Annual maintenance: Hire a professional for a full preventive inspection, especially before the rainy season.
Signs of a problem with your sump pump
Learn to recognize the signs of a faulty sump pump:
- Unusual noises or rumbling: A loud motor may indicate wear or an obstruction.
- Persistent musty odors: This may indicate that the sump pump is not draining water properly.
- Continuous operation: If the pump doesn't stop, the float may be stuck or the drainage may be inadequate.
- Standing water in the sump pit: The pump should normally lower the water level quickly.
- Water backups in the basement: In this case, a repair or replacement may be necessary.
Pump sump services in Greater Montreal
Montreal Island :Downtown, Quartier Saint-Michel, Ahuntsic, NDG, etc. - South Shore: Brossard, Longueuil, Saint-Hubert, Greenfield Park, etc.
North-Shore :Laval, Blainville, Repentigny, Terrebonne, etc. West-Island :Pointe-Claire, Dorval, Beaconsfield, Kirkland, etc. Outlying suburbs :Saint-Jérôme, Saint-Jean-sur-Richelieu ,Vaudreuil-Dorion, etc.
This way, you benefit from a local service and a quick response, no matter where you live in Greater Montreal.

Why call in a professional to install your sump pump?
You might be tempted to save money by doing the sump pump installation yourself, but hiring a certified plumber offers several advantages:
- Code compliance: Professionals are familiar with municipal regulations and building codes related to water management.
- Technical expertise: An expert knows how to properly position the pump, choose the right accessories, and calibrate the drainage system.
- Work guarantee: If any issues arise after installation, you benefit from follow-up and support.
- Personalized advice: The plumber guides you on maintenance
- Professional certification: Always check that your plumber has valid certification. You can verify a plumber's certification with the Corporation des maîtres mécaniciens en tuyauterie du Québec (CMMTQ)
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A neat and compliant job ensures peace of mind and optimal durability for your sump pump.
Pump emergencies: be responsive
24/7 Service for Submersible Pump (Sump Pump) Repair and Replacement
In case of an emergency related to your submersible pump (sump pump), SOS Plombiers partners are available 24/7 across Greater Montreal to provide fast repair or replacement services and prevent the risk of flooding.
Remote diagnostics for fast sump pump troubleshooting
An initial remote assessment is conducted over the phone to precisely identify the cause of the issue and determine whether a repair is sufficient or if replacement of your submersible pump (sump pump) is required.
Preventive maintenance and repair of submersible pump (sump pump)
Whether your submersible pump (sump pump) is blocked, worn out, or requires regular maintenance, our certified plumbers intervene with the proper tools to ensure an efficient repair or quick replacement. They also provide guidance to ensure optimal maintenance and prevent future flooding.
Fast intervention prevents any water buildup and ensures a longer lifespan for your equipment, providing lasting protection for your basement.
The role of SOS Plombiers in your project
SOS Plombiers provides you with access to a network of experienced specialists in the field of sump pumps:
- Service quality: Partners carefully selected for their professionalism and reliability.
- Transparency: Detailed quote provided before the work begins, along with a clear explanation of the sump pump installation steps.
Availability 24/7 emergency services, adapted to unforeseen circumstances. - Proximity: Fast response throughout Greater Montreal.
- Personalized advice: Solutions tailored to your home and your budget.
Frequently asked questions Sump pump installation
🔧 Protect your basement before it's too late!
A sump pump is your best defense against water infiltration, mold, and flooding.
House, condo, or business — don’t let water compromise your foundation.
Trust SOS Plombiers for a fast, efficient installation at the most fair sump pump price.
(514) 418-4456
and secure your property with a sump pump in Greater Montreal.



