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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

Through proper drainage solutions and compacting the foundation soil.

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.

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.

A retaining wall can only function as a fence if it’s high enough on all sides to prevent someone from accidentally falling into the pool. However, most retaining walls retain dirt, which means their purpose is not related to safety. There would need to be nothing on the other side of the wall for it to be considered a fence, but in that case, it wouldn’t retain anything and would cease to be a retaining wall.  

Depending on who you hire to build a retaining wall, the average cost, including demolition and reconstruction, for a 50-foot wall that's 4 feet in height is between $7,000 and $24,000.

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.