Retaining Walls in Greater Boston

Here's the truth about retaining walls that a lot of crews won't tell you: the wall you see is the easy part. What makes it stand for 30 years — or lean and blow out in three — is the drainage and the base behind it that nobody ever sees. That's the part we obsess over, because it's the part that fails.

What a retaining wall does for you

• Reclaims usable space — turns a steep, unusable slope into flat, level yard for a patio, lawn, or garden
• Stops erosion — holds soil in place so it stops washing downhill onto your patio, driveway, or into the neighbor's yard
• Terraces a hillside — stepped walls that break a big grade into usable, planted levels
• Levels a sloped lot — the key to making a hard-to-use Boston-area yard actually livable
• Defines the space — raised beds, seating walls, and clean edges that make the whole yard look finished

Why walls fail — and why ours don't

A retaining wall is holding back tons of soil, and that soil gets heavy and full of pressure when it's wet. If there's no drainage behind the wall, water builds up, freezes and expands in winter, and pushes the wall until it leans, bulges, or blows out. It's the #1 cause of failed walls, and it's the corner most crews cut. We build every wall with crushed-stone backfill, filter fabric, and a perforated drain pipe that relieves that pressure — plus a deep compacted base, proper batter (backward lean), and geogrid reinforcement on taller walls. As an NDS Certified Professional Drainage Contractor, water management isn't an add-on for us; it's the whole point.

What we build

• Segmental concrete block walls — the versatile, cost-effective standard, in a range of colors and textures
• Natural stone & fieldstone walls — the classic New England look, dry-laid or mortared
• Granite walls — the toughest, most timeless choice
• Boulder walls — rugged, natural, and great for larger grade changes
• Seating & garden walls — lower walls that double as benches, raised beds, and patio edges
• Steps built into the wall — so you can get up and down the grade safely

Permits, engineering & doing it to code

In most Massachusetts towns, a wall over about 4 feet (measured from the bottom of the base) needs a permit and an engineer's stamp. We know the local rules across Greater Boston, build to code, reinforce taller walls with geogrid, and bring in a licensed engineer when the height or load calls for it — so your wall is safe, permitted, and built to hold.

Leaning or failing wall? We rebuild those

Bulging, cracking, tipping walls are one of the most common calls we get. We figure out whether it can be repaired or needs a rebuild, fix the drainage that caused it in the first place, and set it back on a proper base so it holds for good.

Serving Greater Boston

We build and rebuild retaining walls across Boston, Somerville, Cambridge, Medford, Brookline, Arlington, Belmont, Watertown, Malden, Everett, and the surrounding towns — from small city-yard garden walls to structural walls holding back a full slope.