Retaining Walls in Montreal
Stone and block walls that hold back the grade, shape your levels, and stay put season after season.
A sloped yard, a driveway that's slipping, a garden bed that sinks every spring — a well-built retaining wall solves it for good. At L'Île Verte, we build stone and block retaining walls across Greater Montreal, whether the goal is to stabilize a grade change or to shape a landscape into clean, lasting levels.
We work in Montreal, Laval, and throughout the North Shore (Rive-Nord), on both residential and commercial projects. From a decorative garden wall along a walkway to a structural wall holding back several feet of soil, we build it the right way — compacted granular base, drainage behind the wall, geotextile fabric, and materials made for our winters. Request your free quote and we'll assess your site with no obligation.
Walls built for the grade and the local climate
A retaining wall is more than a stack of blocks — it's a structure that has to manage soil pressure, water, and Quebec's freeze-thaw cycles. That's exactly where most poorly built walls eventually bulge or crack. So we always start underground: enough excavation, a properly compacted granular base, and drainage behind the wall so water never builds up against it. Without that invisible work, even the best-looking block won't hold.
On materials, we choose with you based on the look and the job. Interlocking block gives clean lines and precise placement, ideal for tiers and taller walls. Natural stone brings a more organic character to garden walls and planting beds. For walls holding a significant load, we build in the structural elements needed — setback, geogrid reinforcement where required — so the wall is made to last, not just to make it through one year.
On the North Shore, in Laval, or in Montreal, a retaining wall is often the starting point for a full redesign: we can pair it with interlock paving, a terrace, new planting beds, or fresh plantings to turn a tough slope into usable space. And because L'Île Verte is a 4-season company, we stay with you after the build — landscaping in summer, snow removal in winter — to keep your property looking sharp all year.
Frequently asked questions
- How much does a retaining wall cost in Montreal?
- The price depends mostly on the height and length of the wall, the material (interlocking block or natural stone), how much excavation is involved, the drainage required, and site access. A short decorative garden wall and a structural wall holding back several feet of soil aren't in the same range. We assess everything on-site and give you a free, detailed quote with no obligation.
- What time of year can a wall be built?
- The green season, spring through fall, is ideal because the ground is thawed and the base can be compacted properly. We plan projects early in the season so they're done at the right time. In winter we shift to snow removal, and we use the off-season to plan the following spring's builds.
- Are your walls built to handle freeze-thaw?
- Yes. The durability of a wall here comes down to what you don't see: a well-compacted granular base, proper drainage behind the wall, and geotextile fabric that keeps the soil from migrating. That's what prevents the wall from bulging or cracking after a few winters. We build every wall for Quebec's freeze-thaw cycles.
- Do you handle residential and commercial projects?
- Both. We build garden walls and retaining walls for homes in Montreal, Laval, and the North Shore, as well as for businesses, multi-units, and parking areas that need to stabilize a grade or frame a landscape. Reach out to describe your project and get a free quote.
Our Landscaping Services in Montreal
Interlock Paving in Montreal
Driveways, walkways and paver patios built to shrug off our winters.
Patios & Stone Terraces in Montreal
Stone outdoor living spaces designed to enjoy your yard from spring straight through fall.
Garden Edging & Borders
Crisp, lasting lines that bring structure to your yard — paver or stone, built to hold up through our winters.