This online calculator estimates the cost of a building permit based on provisions of the Chicago Construction Codes Administrative Provisions. The factors necessary to use this calculator are construction type, occupancy type, area in square feet, and project scope. An alternative fee, based on the number of pages being revised, may apply to revision permits in accordance with Section 14A-4-412.2.2.4 of the Chicago Construction Codes Administrative Provisions.

For questions about building permit fees, please contact your assigned project manager or dob-info@cityofchicago.org.

Please note that the online calculator currently reflects the permit fee structure for permits issued in calendar year 2025.