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Top-Rated Retaining wall installation pros in Washington - Updated Nov 2026

Avatar for VanOppen Construction LLC
VanOppen Construction LLC
4.3(
6
)
Retaining Wall - Install

Serving Washington, IL and surrounding areas

In business since 2023

Free estimates

Credit card accepted

"Vanoppen Construction has done several jobs for me over the past year and I have been nothing but satisfied! They are friendly and easy to work with. I will continue to use them and highly recommend them to anyone wanting a 100% complete job!"
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Recommended by83%of homeowners
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Retaining Wall Installers FAQs, answered by experts

DIY is possible for small projects. Professional installation ensures structural integrity and durability for larger walls.

Yes, to build a retaining wall, a permit is required. Similarly, any repairs or modifications to an existing retaining wall require permits. If the planned wall measures higher than 4 feet, most municipalities require designs and permits come through a licensed engineer. In some locations, if the wall is shorter than 4 feet, a permit may not be required. For the requirements in your area, contact your local government.

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.

Costs range from $5,000 to $15,000, depending on size, material, and design complexity.

They prevent soil erosion, add flat space, and enhance property aesthetics.

The Washington, IL homeowners’ guide to retaining wall installation services

From average costs to expert advice, get all the answers you need to get your job done.