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HDC Construction Inc.
“Thanks guys for giving us such an awesome place to learn The Lord's Word!!!”
Best Retaining Wall Contractors in Ontario, CA
24 companies listed · 12 in Ontario · 1 open 24/7 · 11 open weekends · 17 rated 4.5+
Data verified October 15, 2026
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M C R Masonry Co
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Cova Construction Inc.
“I had a deadline set for the installation and they finished ahead of schedule.”
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KAR Construction Inc
“Kurt and Peggy are wondefdul.”
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Han-Crete Products Inc
“Overall they saved my day and it got my pool back in operation for the summer”
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AG Construction
- Price
- Home Repairs
- Company
“They improved the overall look of our swimming pool area and outdoor entertaining area by having a classic concrete patio.”
Listed for homeowners in and around Ontario, CA, these 24 companies build and rebuild retaining walls. Wall types, materials and hours are what each company publishes for itself, and the ratings and quoted lines are drawn from public reviews.
Area overview: Ontario, CA
Of the 24 companies we list here, 12 are in Ontario itself and 12 come from towns including Riverside (2, 14 mi), Yorba Linda (2, 14 mi) and Anaheim (2, 20 mi). 23 of the companies on this page have a rating, from 4.0 to 5.0 across 804 reviews; 5 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), quality (90%) and responsiveness (76%). The topics that come up most in reviews of the companies on this page are "price", "crew" and "estimates". 1 is open around the clock; 11 are open on Saturdays and 5 on Sundays. 10 show a license on their websites and 5 have a BBB rating of A or A+. 15 have ten or more years of experience, the longest 37 years. 1 offers emergency call-outs; 8 give free estimates and 3 are family- or locally-owned. We have a website on file for all 24 of the companies on this page; 23 publish a contact page and 17 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 24 listings, an address in Ontario is shown on 12. The others sit within 25 mi. 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.
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Land X Landscape Construction
- Nature
- Fire Pit
- Crew
“I'm a petite women & I requested bar stool height because I have bar stool chairs I wanted to make use of; not realizing that I will not be able to reach the appliances once installed.”
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WH Jewett
“Best company to work for.”
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Security Paving Company
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Power Grade Inc.
- Contractor
“Safe and efficient Utility Contractor in Southern California”
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Bear Paw Landscape
“They were able to reuse over two thirds of demolition rubble at the site through creative ways, which included: building raised vegetable beds, creating borders for water retention around avocado trees, building a secondary retention wall/hill topped...”
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Cano Architecture Concrete Rpr
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Prime Team Builders Inc
- Project
- Contractors
- Kitchen
“There's a reason why you're reading this long review, and it's because you know construction/remodel can be an involved and difficult journey with unpleasant and costly surprises derailing the process, and you want to know if Sam, the general contrac...”
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ACC & Engineering
- Project
- Quality
- Team
“I met Ben at a crucial time of my project, I was in need of Mechanical plans and had issues with my previous Architect, he not only took on the project helping us with Mechanical plans but also finished what the other Architect wouldn't or didn't kno...”
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Oasis Turf & Hardscape
- Company
- Crew
- Backyard
“Marshall the guy who was on site to personally execute the plan we wanted was courteous and really an expert on what he's doing , the rest of the 2 guys who worked the following day were as good and skilled as well .”
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Energy Core Construction
- Windows
- Temperature
- Job
“All I can say is this is a great company (the reviews speak for themselves) and I just want to thank you Tobias personally and I apologize the way things turned out and me not being able to take the job, I also want to thank I believe his name was Er...”
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Paz Landscape & Concrete
- Backyard
- Price
- Retaining Wall
“This second time, I wanted to clean up my yard because of fighting constant weeds, drainage issues causing flooding and and to clean up the unsightly/unusable space that was a maintenance nightmare (see before/after photos).”
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Help Your Home California
- Roof
- Warranty
- Windows
“Hello this review is for California homes the sales representative was Tyler they were very professional very curious very knowledgeable then bring home samples of Windows that we had to replace the job was done fast and professional manner as far as...”
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Empire Parking Lot Services
- Job
- Estimate
- Price
“Smooth sailing with this organization from the great phone staff who kept delays, re-scheduling and communication to an executive level to the on-site workers with their attention to detail, on-time and up to minute communication.”
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California Custom Landscape
- Concrete
“Unlike the other contractors who would suggest off the wall things which were nowhere near what I was looking for, Henry took the input I gave him and drew a design based on a look a feel he felt I would like and included his creative twist.”
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Smith Landscape
- Backyard
- Driveway
- Ideas
“We told him what we liked, and after listening to our preferences he came up with a beautiful design that wrapped around both sides of our home, and the outcome and beauty of the landscape far exceeds what my expectation was.”
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Keyway West Inc.
- Project
- Brick Wall
- Price
“Bert and his team did an amazing concrete job on paving the side of my driveway,he was very professional all the way, he showed up ontime was able to give estimate right away, he listened patiently and addressed all concerned in terms made the best r...”
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West Coast Concrete Services
- Backyard
- Pavers
- Driveway
“Finally, when West Coast came I knew he understood my vibe, As I am a designer myself I knew he was getting exactly what I was saying and he helped me work out the areas I was concerned about.”
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Conscious Environments
- Backyard
- Pool
- Construction
“The key things that stood out to me and why they are so deserving of a 5-Star rating is because of the following: very professional, great communicators, flexible, stayed within budget, no surprise cost changes during the project, quality material, a...”
Retaining Wall Design & Installation Services in Ontario, CA Cost Estimates
Minimum cost
$1455
Maximum cost
$15753
National Average
$6511
Avg Per Hour Rates
$85
$3884
$10192
Fair price range is based on 336 cost profiles
Why these companies made our list
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