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The County of DuPage
Wheaton, Illinois

Building Code

*Effective December 1, 2016 the DuPage County Building Code has been revised including the following codes: County Residential Code, 2015 International Code Council (International Building Code, International Fire Code, International Mechanical Code, International Fuel Gas Code, International Property Maintenance Code), 2014 National Electric Code, 2015 Illinois Energy Efficient Building Code and the current Illinois State Plumbing Code.

Our current code can be found at - chapter 8

  "Illinois Energy Conservation Code" for Commercial and Residential Buildings 

 *****NEW Updates to the Illinois Energy Conservation Code*****

The Capital Development Board, in conjunction with the Department of Commerce and Economic Opportunity, have updated the Illinois Energy Conservation Code from the 2012 International Energy Conservation Code (IECC) to the 2015 IECC. This includes renovations, alterations, additions and repairs to most existing commercial and residential buildings.  As of January 1, 2016. The Illinois amendments are posted below.  

Illinois Specific Amendments with Modifications Shown
Illinois Specific Amendments

The Building & Zoning Department will require all plans submitted after December 1, 2016 to be compliant to the new code.

Public Act 099-0122 regarding the removal of mercury thermostats - (415 ILCS 98/51 new) - Sec. 51. Removal of mercury thermostats from commercial buildings prior to demolition.  As of January 1, 2016, no person shall demolish a commercial building unless (i) all mercury thermostats have been removed from the building and (ii) the person who removed the thermostats from the building has arranged for them to be delivered to a collection site established under this Act -

Building Code Appendix B - Tables & Illustrations - *permits are required for all sheds - if 150 sq ft or less in size no plans are necessary

2009 International Building Code for Swimming Pools

Du Page County Basic Above Ground Pool Electrical Requirements

  • Based on National Electrical Code 2008 Edition Article 680

Du Page County Outdoor Spa/Hot Tub Electrical Requirements

  • National Electrical Code Article 680, Section 680.42 governs outdoor spa/hot tub installations

A permit is required when installing a pool, spa or hot tub if:

  • It is twenty four inches (24") deep or greater
  • It has 250 sq ft of surface area or greater
  • It is equipped with a water recirculating system