The answer to 'how much does flat roof cost in Chicago' is that the cost of a flat roof can vary significantly depending on several factors. Typically, the cost of a flat roof in Chicago can range from $10 to $30 per square foot, with the average being around $15 to $20 per square foot.
The main factors that influence the cost of a flat roof include the size of the roof, the materials used (such as EPDM, TPO, or PVC), the complexity of the installation, and the accessibility of the roof. Additionally, the cost can be affected by the local labor market, the reputation and experience of the roofing contractor, and any necessary repairs or replacements to the roof's underlying structure.