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  • Average homeowner rating star icon4.5
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  • Verified reviews icon93
    Verified retaining wall installation services reviews

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Avatar for Limitless fencing LLC.
Limitless fencing LLC.
4.7(
16
)
Retaining Wall - Install

Serving Sumter, SC and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"A car accident damaged about 1/3 of fence. Damien came out and gave us a competitive price. We indicated that the fence being down was a security problem for us. He set installation asap. Great job and easy to work with. Would definitely use them again."
Judy ison
Jim and Nicole
Mrs. Abby
Fencing Project
Fencing Project

+82

Recommended by93%of homeowners
Avatar for Carlos Concrete
Carlos Concrete
4.4(
29
)
Retaining Wall - Install

Serving Sumter, SC and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"The quality of the work performed was excellent. I am very pleased with the appearance of the replaced section of my driveway The front steps now look as good as new, as well. The cost exceeded the initial estimate, but I have to give them a pass on that, as there were some real surprises during removal of the old concrete (no grade preparation was done for the original driveway, just concrete poured over uneven ground, so in places it was 4" thick, and in others about 12" thick, making removal very difficult). Carlos Concrete did a good job with leveling the site and placing stone over the ground before pouring, and that should result in a better driveway long-term. My only reservation was a delay in removing the tree roots excavated from the site before pouring the new driveway section. They were professional and friendly."
Foundation
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Recommended by84%of homeowners
CALVIN JOHNSON MASON
3.0(
4
)
Retaining Wall - Install

Serving Sumter, SC and surrounding areas

In business since 1979

Free estimates

"Calvin Johnson did an outstanding job bricking my patio. Not only is he professional and dependable, he was able to provide advice on the best material, style of the bricks and layout so that the results were even better than I expected. Absolutely beautiful work - he is an expert at masonry! Thank you Calvin and company for improving the value of my home!"
Recommended by100%of homeowners
Avatar for Mullins Elite Construction
Mullins Elite Construction
New to Angi
Retaining Wall - Install

Serving Sumter, SC and surrounding areas

At Mullins Elite Construction, we believe in building more than just structures — we want to build trust, quality, and long-lasting relationships with our clients. Proudly serving Charleston, SC and surrounding areas, we specialize in a wide range of services including remodeling, carpentry, plumbing, pressure washing, welding, landscaping, demo work, and junk removal.\n\nOur mission is simple: “Give us a call, we do it all.” Whether it’s a small project or a major renovation, we deliver professional craftsmanship, reliable service, and competitive pricing. Plus, we offer free estimates so you know exactly what to expect before we get started.\n\nWhen you choose Mullins Elite Construction, you’re choosing a team committed to excellence, integrity, and making your vision a reality.

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Retaining Wall Installers questions, answered by experts

Sand and gravel are two suitable options for filling behind a retaining wall. If you’re building your own retaining wall, you’ll complete this part of the process—known as backfilling—after you finish laying the blocks. Make sure not to skip it—otherwise, you could wind up with drainage issues, which can cause your retaining wall to collapse.

Regular inspection for issues like cracks or leaning and ensuring drainage stays clear.

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 20 years or more with care. Concrete can cost a little more but is stronger and will last longer with less maintenance.

Railroad ties can be good for retaining walls, but it depends on the area. They have a desirable rustic look and are durable. The problem is they’re treated with creosote, a preservative the EPA says poses a risk to humans and wildlife. Over time, the preservative seeps out of the wood and into the ground. Many areas have banned the use of creosote-treated wood on residential properties. If your area does allow it, never use railroad ties near an edible garden or drinking water source. Instead, use wood that’s treated with an EPA-approved preservative or a wood-alternative composite material.

Poured concrete is often the cheapest material for a retaining wall, costing around $6 to $8 per square foot. Other budget-friendly options include vinyl and landscaping timbers, which range from $10 to $15 per square foot; landscaping timbers are particularly well-suited for DIY projects. Untreated timber and railroad ties are a step up in price, starting at $15 to $25 per square foot. Natural stones can also be a cost-effective choice if you can source them from your own property, but they can be expensive to purchase. High-end materials like steel are typically the most expensive but offer superior durability and aesthetics.

The Sumter, SC homeowners’ guide to retaining wall installation services

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