The answer to 'cost of retaining wall installation in Illinois' is that the cost can vary significantly depending on several factors. Typically, the cost of a retaining wall installation in Illinois can range from $30 to $100 per square foot, but this can be influenced by the size of the wall, the materials used, the complexity of the project, and the specific location.
Factors that can affect the cost of a retaining wall installation include the type of material (such as concrete, stone, or treated lumber), the height and length of the wall, the soil conditions, the need for excavation or site preparation, and the accessibility of the site. Additionally, labor costs can vary depending on the contractor and the region of Illinois. To get an accurate estimate, it's essential to get multiple quotes from local, reputable landscaping contractors.