What You Need to Know About Building Retaining Walls in St. Louis

If you’re dealing with sloped or uneven ground on your property, St Louis retaining walls can be a game-changer. Not only do they prevent soil erosion, but they also add structure and style to your outdoor space. Whether you want to level up your yard’s look or need something functional, understanding the process of building a retaining wall will make the journey much smoother.

Here’s everything you can expect when working with a professional to create a retaining wall that’s perfect for your property.

Step 1: Site Assessment

Every successful retaining wall starts with a solid plan, and the first step is assessing the site. A professional contractor will visit your property to evaluate the area. They'll look at the soil type (Is it sandy? Clay-heavy?), the slope, drainage patterns, and any nearby structures or utilities. This step is super important because it determines how your wall will be designed and what materials will work best.

For instance, the soil in parts of St. Louis tends to be clay-heavy, which can affect how water drains. The contractor may recommend extra drainage systems to avoid issues like water pressure building up behind the wall over time.

Step 2: Design and Planning

Now comes the fun part—planning the wall’s design! Whether you’re envisioning a modern concrete look, a natural stone vibe, or something else, this is when you’ll work with your contractor to bring your ideas to life. Retaining walls come in all shapes, sizes, and materials, so make sure to share your vision (and your budget!) upfront.

Design isn’t just about looks, though. Your contractor will consider things like:

• Height: Taller walls often require reinforcement for stability.
• Slope: A steeper slope may mean additional drainage or wider bases.
• Drainage: Water is a big deal when it comes to retaining walls. Without proper drainage, the wall could weaken or fail. Solutions like gravel trenches, weep holes, or perforated pipes will likely be part of the plan.

This stage may also include obtaining permits, especially if the wall is over a certain height or impacts nearby structures. Your contractor will handle the paperwork, so you don’t have to stress about the red tape.

Step 3: Choosing Materials

Now it’s time to decide what your wall will be made of. Each material has pros and cons, and your contractor will help you pick the right fit for your project. Some popular options include:

• Concrete blocks: Durable, affordable, and available in various styles.
• Natural stone: Beautiful and timeless but can be pricier and require skilled installation.
• Brick: Classic and sturdy but might not suit every budget.
• Wood: Great for smaller projects but less durable over time.

If you’re looking for an eco-friendly option, recycled materials like reclaimed bricks or concrete can add a unique touch. Your choice will depend on your goals—are you prioritizing durability, aesthetics, or budget?

Step 4: Construction Process

Here’s where things get real! Once the design and materials are set, construction begins.

1. Excavation: The area is cleared and leveled to prepare for the base.
2. Foundation: A layer of gravel or crushed stone is added for stability and drainage.
3. Drainage System: Perforated pipes or gravel trenches are installed to keep water from building up behind the wall.
4. Building the Wall: The first row of blocks or stones is placed carefully to ensure it’s level—this sets the foundation for the entire structure. Rows are staggered for extra stability, and each piece is secured in place.
5. Backfilling: As the wall goes up, gravel or crushed stone is added behind it. This not only reinforces the wall but also helps with drainage.
6. Finishing Touches: Once the wall reaches the desired height, capstones or coping stones are added to give it a polished look.

This step-by-step process ensures your wall is built to last and can handle the weight of the soil it’s holding back.

Why Work With Local Experts Like GreenScapeSTL?

Building a retaining wall is no small feat, but with the right team, it’s a smooth and exciting process. GreenScapeSTL specializes in landscaping and outdoor living solutions, including St. Louis retaining walls that are both functional and beautiful.

Whether you need a small garden wall or a large structure for a commercial property, our team has the experience to get the job done right. We also partner with top landscapers in St. Louis, so you can transform your entire outdoor space at the same time.

Ready to get started? Contact GreenScapeSTL today for a consultation and start turning your vision into reality.

Final Thoughts
Retaining walls are more than just practical—they can completely elevate the look and functionality of your outdoor space. Whether you’re tackling a tricky slope or just want to add some flair to your yard, a well-built retaining wall is a smart investment.

When it’s time to build, trust local professionals to guide you through the process. And remember, a great retaining wall starts with careful planning, quality materials, and expert construction.