Retaining Wall Contractors St Louis - STL Retaining Wall Install is a professional retaining wall and hardscaping contractor serving the St. Louis area. The company specializes in designing, engineering, and installing high-quality retaining walls for both residential and commercial properties. With over a decade of experience, they provide solutions for erosion control, sloped or uneven terrain, and failing wall replacements. Their team handles everything from site evaluation and drainage planning to full construction, using durable materials such as concrete block, natural stone, and timber. STL Retaining Wall Install is licensed, insured, and committed to delivering long-lasting craftsmanship with reliable service and free project estimates.