Building Code Information
The City of Oakbrook Terrace has adopted the following codes effective JANUARY 15, 2025:
Chapter 150 (Building Codes)
Chapter 158 (Electrical Code)
Chapter 160 (Plumbing Code)
2021 International Residential Code*
2021 International Building Code*
2021 International Mechanical Code
2020 National Electrical Code*
2014 Illinois Plumbing Code
2021 International Fire Code*
2021 International Fuel Gas Code
2021 International Energy Conservation Code
2018 Illinois Accessibility Code
2021 Existing Building Code*
2021 International Swimming Pool & Spa Code
2021 Life Safety Code (NFPA101)
