Welcome to the Chicago Department of Finance Electronic Tax Filing and Payment site. Our goal is to simplify the process of filing tax returns and making payments. We have listened to your feedback and have greatly improved the usability and functionality of this site. We hope this site meets your needs and that you find it easy to use. We appreciate any comments or suggestions you may have as we continue to work to make the process of filing your taxes faster and easier. After you login, you may use the "Contact Tax Department" link to provide feedback.