E2 Concrete Sealing
“I've been working closely with this company for a few months now, Eli has always been prompt, responsive, respectful and diligent with his work!”
Best Retaining Wall Contractors in Sarnia, ON
10 companies listed · 4 in Sarnia · 1 open 24/7 · 3 open weekends · 7 rated 4.5+
Data verified October 21, 2026
Bill Dokter Masonry Inc
“Took out a door in our home and he was able to come up with creative solution to make the gap disappear.”
Remco Concrete
Maaten Construction Limited
“Good company to do business with.”
Black On Top
“Great guy to deal with Products very consistent”
Concrete Systems
“They came and did our driveway and fixed some drainage issues on our property.”
Listed for homeowners in and around Sarnia, ON, these 10 companies build and rebuild retaining walls. Wall types, materials and seasonal hours are what each company publishes for itself, and the ratings and quoted lines are drawn from public reviews.
Area overview: Sarnia, ON
4 of the 10 companies we list are based in Sarnia; the other 6 serve Sarnia from towns including Wyoming (16 km), Petrolia (18 km) and Brigden (26 km). The companies on this page are rated from 3.9 to 5.0 across 110 reviews; 7 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (100%), quality (88%) and responsiveness (71%). 1 is open around the clock; 3 are open on Saturdays and 2 on Sundays. 1 shows a licence on its website. Domain records put 2 websites of the companies on this page at ten or more years old; the oldest dates from 2012. 1 offers emergency call-outs; 1 gives free estimates and 2 are family- or locally-owned. We have a website on file for 9 of the companies on this page; 7 publish a contact page and 6 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do these companies show photos of finished walls?
A website link sits on 9 of the 10 wall builders here. A photograph of a finished wall tells you very little, because everything that fails is behind the face. Look for pictures taken mid-build instead: the base trench, the drainage stone going in, the grid rolled out between courses. Ask to see a wall that has been standing through several winters.
KB Shoring
“KB did a great job - looking forward to many more years on our beach !”
Concrete By Design
“Brent and his crew of concrete artist did a 10 out of 10 job.”
CM Excavating INC
“I had a 20x26 foot garage floor poured and done in stamped concrete as well as a finishing front to a steel arch garage and from front you can't tell its anything but a gorgeous board and batton wood garage....”
Kinna Masonry
Why these companies made our list
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