TERMS OF USE This Permit Fee Calculator may be used to estimate the building fee due for a building permit. The calculator produces an estimate only and may not reflect all related costs, fees, and charges. The City of Chicago is committed to providing timely and accurate information to businesses and residents of Chicago. Best efforts have been made to ensure the information presented through this site is timely and accurate, however the City of Chicago makes no warranty, representation, or guaranty as to the content, accuracy, timeliness, or completeness of this information. Use of the Permit Fee Calculator is subject to the City of Chicago Data Terms of Use and Website Disclaimer. Please contact the Department of Buildings at dob-info@cityofchicago.org if you still have questions about building permit fees after using the Permit Fee Calculator.