The answer to 'cost to replace skylight in Illinois' is that the cost can vary widely depending on several factors. Typically, the cost to replace a skylight in Illinois can range from $800 to $2,500 or more. The exact cost will depend on the size and type of skylight, the complexity of the installation, the materials used, and the location and accessibility of the skylight.
Larger or specialty skylights, as well as those that require more complex installation, will be on the higher end of the range. Additionally, the cost can be influenced by the local labor rates, the need for any structural modifications, and the condition of the existing roof. Getting multiple quotes from reputable local roofing contractors is essential to getting an accurate estimate for your specific project.