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Building Codes

The City of Mt. Vernon has adopted and enforces the following codes:

  • International Building Code (IBC) 2006 Edition
  • International Existing Building code (IEBC) 2006 Edition
  • International Mechanical Code (IMC) 2006 Edition
  • International Fuel Gas Code (IFGC) 2006 Edition
  • International Fire Code (IFC) 2006 Edition
  • National Electric Code (NEC) 2008
  • NFPA 101 Life Safety Code, stricter of 2006 (City) or 2015 (IL State) Edition
  • Illinois Energy Conservation Code
  • Illinois Plumbing Code
  • Illinois Accessibility Code & Americans with Disabilities Act (ADA)

The applicable codes from the list above must be referenced on all construction documents submitted for building permit approval.

Exception: one and two family residential dwellings.

Requirements for Seismic Design Category D must be followed.

In addition, please refer to local ordinances for compliance:

These Articles are not required to be specified on construction documents.

For any question on Building Codes, please contact the Engineering and Inspections Office.


Contact Information

Engineering and Inspections Administration
1100 Main Street
Mount Vernon IL 62864

Phone (618) 242 - 6830

Office Hours

Monday - Friday
8 a.m. - 5 p.m.

Brad Ruble
City Engineer

Kevin Gatewood
Building Inspector


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