The City of Zion Has Adopted the Following Codes

2021 International Building Code
For amendments see Chapter 10, Article II — Construction Regulations

2021 International Residential Code
For amendments see Chapter 10, Article II — Construction Regulations

2021 International Existing Building Code
For amendments see Chapter 10, Subsection 10-36 A

2021 International Mechanical Code
For amendments see Chapter 10, Article XI — Heating, Air Conditioning & Refrigeration Contractors

2015 International Property Maintenance Code
For amendments see Chapter 10-15, Article VII — Property Maintenance Code

2011 National Electrical Code
For amendments see Chapter 10, Article VIII — Electricity

Current Version of the Illinois Plumbing Code

2021 International Fire Code
For amendments see Chapter 34, Article II — Fire Prevention

Current Version of the International Energy Conservation Code

Current Version of the Illinois Accessibility Code

Adopted as of January 1, 2025