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Q: Why do retaining walls lean?

• <div><p>Failure to compact the soil during construction is the most common cause of leaning retaining walls. In addition, poor drainage can lead to excessive water pressure behind a retaining wall, pushing against it until it begins to move forward away from the soil it is holding back.</p></div>

Q: What is the most cost-effective retaining wall to build?

• <div><p>While vinyl is the least costly material for building a retaining wall, the most cost-effective method is to use wood or concrete blocks for a DIY retaining wall under 2 feet tall. Wood is inexpensive but lasts <b>20 years or more </b>with care. Concrete can cost a little more but is stronger and will last longer with less maintenance.</p></div>

Q: What does rebar do?

• <div><p>Rebar is a steel support that goes inside concrete to prevent structural damage over time. Concrete is susceptible to impact, weight, and tension. By inserting rebar into the concrete during the installation, you can help extend its lifespan and avoid hazardous situations where the foundation of your home gives way to tensile forces.</p></div>

Q: What is the cheapest way to build a retaining wall?

• <div><p>Poured concrete is likely the cheapest way to build a retaining wall, as this material costs anywhere from $6 to $8 per square foot. The next best budget-friendly option is to use landscaping timbers. These timbers are great for DIY projects, as they don&rsquo;t require tools to successfully build a retaining wall. Landscape timber costs around $10 to $14 per square foot. Depending on your <a href="https://www.angi.com/articles/garden-styles-your-backyard.htm">chosen garden style</a>, you can also go with natural stones or concrete blocks. Natural stones can be expensive if you buy them, but they&rsquo;re a lot less costly if you can source them from your property. </p></div>

Q: What factors affect wall installation costs?

• <div><p>Costs depend on material type, labor rates, and additional features like decorative finishes or reinforcement.</p></div>

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Verified Reviews for Retaining Wall Installation pros in Trenton, MO

*The Angi rating for Retaining Wall Installation companies in Trenton, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Retaining Wall Installation needs.

*The HomeAdvisor rating for Retaining Wall Installation companies in Trenton, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Retaining Wall Installation needs.

Last update on November 02, 2025

Reviewed in February 2025
She finished the new walls making them ready for paint in our budget and time-frame. Turned out amazing
SEMO Drywall
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Reviewed in May 2024
Installed a back-up sump pump. Great job! Thank you!
Tri-State Water, Power & Air
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Reviewed in March 2024
They installed a beautiful retaining wall. It turned out great.
Bri-Co Construction, LLC
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Reviewed in October 2023
Excellent work performed. Jason does very good work. He installed a large concrete patio and retaining wall for us. It turned out better than we expected. I would recommend him highly.
Jason Kleinheider Construction LLC
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Reviewed in October 2023
Prompt response and competitive prices. Excellent customer service before and after the purchase and install.
America's Fence & Deck, LLC
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Reviewed in April 2023
So happy we went with Accessible America for our installation of a chair lift. Ryan took the guesswork out of what felt like an overwhelming decision and provided quick, hassle-free service. I love that the person I talked to on the phone is the owner of the company and the one who came to our...
Accessible America, LLC
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Reviewed in September 2022
Called Grant Erfert (Owner Rapid Dry of St. Louis) in for a free estimate on mold removal from leak in shower wall. Grant was honest, found no mold. His services remained free, but a recommendation was in order. I will use his services in the future and will recommend him to those close to me...
Rapid Dry
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Reviewed in February 2022
Workmanship was outstanding and the installers were very professional. Everything was done in a timely mater
Midtown Home Improvements, Inc. (St. Louis)*
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Reviewed in September 2019
I was shopping for a new convertible top to be installed on my car and went into Express Upholstery in St. Peters to get pricing. They wrote up a quote for me, I liked the price, we scheduled a date for the installation, and they said I needed to give them a deposit for half of the price which I...
Express Upholstery Services
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Reviewed in January 2017
Rodney and Paul were great to work with and were very professional. The installation went smooth and quick. Highly recommend Aqua Systems of Sullivan.
Aqua Systems of Sullivan
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