The City of East St. Louis currently follows these codes:
- Accessibility - 1997 State of Illinois Accessibility Code
- Building (Commercial) - 2024 International Building Code
- Building (Residential) - 2024 International Building Code
- Electrical - 2005 National Electrical Code
- Elevators - 2000 ASME A17.1
- Energy (Commercial and Industrial) - 2009 International Energy Conservation Code as Adopted by the State of Illinois on August 18, 2009
- Energy (Residential) - 2024 International Energy Conservation Code
- Fire - 2024 International Fire Code
- Life Safety - 2003 NFPA 101
- Mechanical - 2024 International Mechanical Code
- Plumbing - 2024 State of Illinois Plumbing Code