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How much does a Retaining Wall cost?

Oct 24, 2024

Retaining walls are not only a functional addition to your outdoor space, but they can also dramatically enhance the look of your landscape. Whether you’re trying to prevent erosion, create usable areas on a sloped property, or add a decorative feature, a retaining wall can serve multiple purposes.


One of the first questions homeowners often ask before choosing a retaining wall is: how much does it cost? In this blog post, we’ll explore the factors that influence the cost and provide an average price range to help you plan your project.

A stone wall is surrounded by grass and trees in a park.

What Is a Retaining Wall?

A retaining wall is a structure designed to hold back soil and prevent erosion. It can also create flat areas on sloped landscapes, adding both functionality and aesthetic appeal. Retaining walls come in various materials, including concrete, stone, brick, and wood, each with its own cost and lifespan.


At SES Landscape, we’ve worked on numerous retaining wall projects in Overland Park, KS, and each one varies in price depending on several key factors. Let’s take a closer look at those now.

Factors That Affect the Cost of a Retaining Wall

Material Costs

The type of material you choose for your retaining wall plays a significant role in determining the overall cost. Here are a few common materials and their price ranges:


  • Concrete Blocks: Affordable and durable, concrete retaining walls typically cost between $20 and $40 per square foot.
  • Natural Stone: This option provides a more premium, natural look, but it can cost between $30 and $50 per square foot.
  • Brick: Slightly more expensive than concrete, brick walls cost around $25 to $45 per square foot.
  • Wood: While cheaper upfront (about $15 to $25 per square foot), wood may require more frequent maintenance and replacement over time.

Wall Size and Length

The size of the retaining wall is one of the largest cost drivers. The taller and longer the wall, the more materials and labor are required. A short, decorative wall may only cost a few thousand dollars, while a large, structural wall can cost tens of thousands. For example:


  • A small retaining wall under 3 feet tall may cost $1,000 to $5,000.
  • Larger walls (over 4 feet tall) can range from $8,000 to $15,000 or more, depending on the materials and site conditions.

Labor Costs

Labor can be a significant portion of your retaining wall’s total cost, especially if you hire professionals. Labor rates in Overland Park, KS, vary, but generally range from $50 to $75 per hour. DIY projects may save on labor costs, but they require extensive knowledge and effort. For larger or more complex retaining walls, professional installation is highly recommended to ensure safety and durability.

Site Preparation and Conditions

The cost of your retaining wall will also be influenced by the site itself. If your property is on a slope or has challenging soil conditions, additional excavation or drainage solutions may be required. Poor drainage can weaken your retaining wall over time, so investing in proper site preparation can save you money in the long run.

Design Complexity

Simple, straight retaining walls are more affordable to build than intricate designs with curves or multiple tiers. If you want a decorative finish or additional features like integrated seating or planters, expect to pay more for both materials and labor.

Average Cost of Building a Retaining Wall

So, what’s the bottom line? For a standard retaining wall, you can expect to pay between $20 and $50 per square foot. This means a small 20-foot long, 3-foot high wall could cost between $1,200 and $3,000. A larger, more complex project, such as a 50-foot long, 6-foot high wall, could range from $8,000 to $15,000 or more.


In Overland Park, KS, where SES Landscape operates, these prices align closely with the average cost of retaining walls, but we always recommend getting a professional estimate to better understand your specific project.

Maintenance Costs

While retaining walls are built to be durable, they may require occasional maintenance, particularly if drainage systems or the wall’s foundation are compromised over time. Regular inspections and prompt repairs can help avoid larger, more costly issues in the future.


Why Invest in a Retaining Wall?

A retaining wall not only serves functional purposes, such as preventing erosion and improving landscape usability, but it can also increase the value of your property. Well-built retaining walls can last for decades with minimal upkeep, especially when designed with proper drainage systems.


By investing in a retaining wall, you’re not only improving the appearance and functionality of your outdoor space but also enhancing the long-term stability of your property.

Get a Free Quote for Your Retaining Wall Today!

At SES Landscape, we specialize in creating custom retaining walls tailored to your needs. Whether you're looking for a simple solution or a complex design, we can help you achieve your vision. Contact us today for a free consultation and quote, and let’s bring your outdoor space to life!

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