Installation of French drains in Montreal

Trust a 360° Verified Contractor to install your French drain and protect your Montreal property from the elements.

86% of owners who have completed renovations are clearly happier in their new space*

*Compared with 76% of homeowners who have not made any renovations, according to our 2024 Well-Being at Home survey

RenoAssistance in a nutshell: According to post-work satisfaction surveys conducted among 1,249 customers in 2024, 94% of customers are satisfied with our support service. +137,000 projects completed. +2,400 Verified Contractors.

How do I choose the right contractor?

Most Montreal homeowners are planning major renovations within the next three years**

To do business with a reliable, qualified, and honest contractor, choose from our list of contractors who have been verified on several points: criminal record, insurance, required licences, solvency, and customer reviews.

Our experienced team can help you select the ideal contractor for your project. Your Renovation Advisors will ensure that your budget is respected, your schedule is well organized, and your vision is perfectly understood.

**According to RenoAssistance’s 2025 Renovation Intentions study
***According to post-work satisfaction surveys conducted in 2024 on our support service among 1,249 customers.

Satisfied with the experience

The contractor referred to us by our Renovation Advisor was exceptional! Everything according to our requests. The team was respectful and cleaned up before leaving. The deadline was even met, despite the inclement weather.

Martine
We felt understood, supported, and guided throughout. Everything went according to plan, and our goals were achieved. Doing business with professionals made all the difference.

Josée
The contractor completed the work in just five months! We dealt with a caring, honest and trustworthy person whose values aligned with ours.

Leclair-Sauvé family

What are the steps for installing a French drain?

Inspection and planning

Camera inspection · Leak detection · Drawing up plans, as required

Preparation

Excavation · Foundation repair and waterproofing · Membrane application

Installation and replacement

Drain installation · Backfilling · If necessary: Connection to inner pit and pump · Installation of check valve

Close-up of a path or gravel surface composed of small rounded stones in gray, beige and white. A metal gate borders the left-hand side, leading to a building structure in the background.

Cost of replacing your French drain

The cost for installing a French drain ranges from $4,000 to $11,000.

To prepare your budget in Montreal, here are the factors to consider:

Property Size: The larger the area to be covered, the higher the cost of labour and materials.
Accessibility: In Montreal, urban density poses a number of challenges. The work can be more complex because of the limited space between buildings.
Equipment required: Depending on the type of soil, additional machinery, tools, and labour may be required, which must be included in the cost.
Montreal regulations: Depending on the type of work, a permit may be required.