The answer to 'how much does retaining wall installation cost in Illinois' is that the cost can vary significantly based on several factors. Typically, retaining wall installation in Illinois can range from $20 to $50 per square foot, depending on the size, materials, and complexity of the project.
The cost of a retaining wall installation is influenced by the type of wall (e.g., concrete, stone, or timber), the height and length of the wall, the site conditions, and any necessary site preparation or excavation work. Additional factors that can impact the cost include the accessibility of the site, the need for specialized equipment, and the labor required for the installation.