The answer to 'landscape lighting installation cost in Illinois' is that the cost can vary widely depending on several factors. Typical ranges for professional landscape lighting installation in Illinois can be anywhere from $1,500 to $5,000 or more, depending on the size of the project, the type of lighting fixtures, the complexity of the electrical work, and the labor costs in your local area.
Some key factors that influence the cost include the number of lighting fixtures, the type of lighting (e.g. LED vs. halogen), the accessibility of the installation site, the need for trenching or running new electrical lines, and the experience and hourly rates of the landscaping contractor. Additionally, permits and inspections required by your local municipality can also add to the overall cost.