The answer to 'how much does drainage system cost in Illinois' is that the cost of a drainage system can vary significantly depending on several factors. In general, you can expect to pay anywhere from a few hundred dollars for a basic drainage system to several thousand dollars for a more complex one.
The main factors that influence the cost of a drainage system include the size of your property, the complexity of the system required, the materials used, and the labor costs in your local area. Larger properties with more extensive drainage needs will typically cost more than smaller homes. The type of drainage system, such as a French drain, catch basin, or underground piping, can also affect the overall price. Additionally, the cost of materials like pipes, gravel, and landscaping can vary by region.