If your backyard is mostly slope, you are not alone. In Webster Groves, Imperial, and Barnhart, steep hillsides make yards unusable and push water straight toward your foundation. Excel Landscaping builds structural retaining walls designed for Jefferson County’s heavy clay and rocky soil — whether you need to replace a rotting timber wall that has finally given up, or carve out flat space for a new patio or pool. We handle the engineering, the permits, and the construction. You get a yard you can actually use.
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Clay soil gets heavy when it is wet, and Jefferson County clay gets very wet. We excavate down to a solid base, compact a crushed stone foundation, and install structural geogrid reinforcement on any wall over three feet. The result stands plumb for decades, not years.
Water pressure behind a wall is what kills it. We install commercial filter fabric, clean drainage stone, and rigid PVC perforated pipe behind every wall we build. This is standard on every job, not an upgrade.
The City of Webster Groves and Jefferson County require permits for walls over a certain height. We manage the drawings, submittals, and inspections so you don't have to.
We follow a proven method that ensures your retaining wall is built correctly from the ground up.
We assess your property's specific slope conditions, soil movement, and drainage needs to determine the right type of retaining wall for your Fenton landscape.
You choose the style and material—from segmental block to natural stone—while we finalize the structural engineering and drainage plan to ensure long-term stability.
We handle everything: excavation, installing a proper base, building the wall with precision, and integrating French drains. We finish with final grading and a thorough site cleanup.
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Yes. The City of Webster Groves and Jefferson County generally require a permit for walls over 3 to 4 feet. We handle the entire process — application, drawings, and inspections — so you don’t deal with any of the paperwork.
The wood eventually rots, but the real cause is almost always drainage. When water saturates the clay behind the wall, the pressure pushes the boards forward. We replace failing timber walls with interlocking block or natural stone and install the drainage system that should have been there from the start.
For most Webster Groves properties, we recommend segmental retaining wall blocks. They are built to handle Missouri freeze-thaw cycles and lock together structurally. If you want a more natural look, we also install limestone boulder walls — the mass alone does a lot of the work on steep slopes.
That is one of our most common projects in Webster Groves. We build a structural wall at the base of your slope, backfill it with level soil, and hand you a usable yard where a hillside used to be.
Most residential replacements in Webster Groves take 3 to 7 days depending on the size and how accessible the yard is. We clean up thoroughly at the end.
Sometimes, yes. If your leak is caused by hillside runoff pooling against your foundation, a retaining wall combined with a French drain system can relieve that pressure significantly. We will tell you honestly during the site visit whether a wall will address your specific situation.
Succesfully Completed Landscape Projects
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If you need to control erosion, create usable space, or add structure to your yard, Excel Landscaping provides professional retaining wall installation in Webster Groves, MO. Call (your phone number) or fill out the contact form to schedule your free estimate.
Excel Landscaping provides retaining wall engineering, timber wall replacement, and hillside stabilization for homeowners in Webster Groves, Imperial, Barnhart, and across Jefferson County. If your yard has a slope problem, we have a permanent solution.
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Excel Landscaping transforms outdoor spaces in St. Louis, MO with expert landscaping, hardscaping, and design services.
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