Bagnato Masonry Ltd
“He responded to our initial outreach very quickly, provided a reasonable quote, and did a fantastic job for us.”
Best Retaining Wall Contractors in Newmarket, ON
15 companies listed · 5 in Newmarket · 10 open weekends · 12 rated 4.5+ · 1 shows a licence
Data verified October 21, 2026
Amore Stone Masonry
“Good job with reasonable price！Will definitely hire him again for future projects.”
Altcon Landscaping
“I was impressed by the speed of the job, the team completed all excavation, hauling and stone placement within 3 days flat working 9/10 hours a day.”
Reno Building Canada Inc.
“They offered competitive pricing, for us what separated them from the rest was their responsiveness, which was also demonstrated throughout the project.”
Taylor Masonry
“John did a great job repairing the bricks and parging on my house!”
Thompson Paving
“Bill has done a few driveways for our family and would recommend them”
Listed for homeowners in and around Newmarket, ON, these 15 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: Newmarket, ON
5 of the 15 companies we list are based in Newmarket; the other 10 serve Newmarket from towns including Aurora (6 km), East Gwillimbury (10 km) and Mount Albert (15 km). The companies on this page are rated from 4.0 to 5.0 across 556 reviews; 4 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (93%) and responsiveness (83%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "estimates". 10 are open on Saturdays and 5 on Sundays. 1 shows a licence on its website. 6 have ten or more years of experience, the longest 50 years. 7 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 13 publish a contact page and 12 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.
Why are companies from other towns listed here?
Out of 15 listings, an address in Newmarket is shown on 5. The others sit within 20 km. Wall work moves machines, pallets of block and truckloads of stone, so crews travel for it happily; the material delivery often costs more than the drive does.
Rob Cummings Contracting
K Bros Landscaping
“Under Justin's guidance, K Bros Landscaping brought my vision to life with a stunning outdoor space that seamlessly complements my home, showcasing precision in every aspect, from hardscaping to vibrant greenery.”
Aurora Interlock & Pools Inc.
“They executed my plan just like I wanted and talked me through the process and materials.”
Emerald Landscaping and Construction Inc.
“ Eric had thoughtful design ideas, found better solutions for grading and water drainage issues and carried them out with proper technique and installation.”
Three Little Pigs Masonry
“Thank you David, Rob and to Dan and his crew for all caring about providing the end result that was promised.”
Green Machine Inc
“I recently hired Green Machine to do a complete backyard overhaul which included removing multiple large overgrown shrubs, weeding, edging and mulching the flowerbeds along with overseeding the back lawn.”
Ultrascape
“He and his team showed up to do the work, and Jim stayed throughout the installation, taking careful measurements and supervising his team.”
Luxury Landscapes & Pool Designs in Toronto
“The estimate was high for my budget but they inspired confidence from the start and their one-stop service, responsive project management and quality work made it well worth the cost.”
JP Concrete Solutions
“Would definitely use them again in the future”
Why these companies made our list
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