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City of Warrenville
28W701 Stafford Place
Warrenville, IL 60555
Ph: 630-393-9427

About Warrenville's Building Codes
The City of Warrenville adopts building and safety codes published by nationally recognized code agencies such as the International Code Council (ICC) and the National Fire Protection Agency (NFPA) to assure structures in this community are constructed to the safest standards in the world. Specific code adoption and amendments to the adopted codes can be found in Title 8 of the City's Municipal Code.

Navigating Title 8 and the Building Codes
Title 8 Building Regulations
Title 8 of the Warrenville Municipal Code is organized to provide a simple flow for matching published building codes with our amendments. The first ten chapters are dedicated to the corresponding construction type code. Within each chapter, amendments pertaining to that code are placed in the second part of the chapter. Each amendment has sub-section numbers and title to correspond with the published version of the construction code.
Chapters 11 through 19 and 21 are designated for other ordinances pertaining to property development. Permit fees are located in Chapter 20.
ICC Codes
To view any of the ICC codes, simply click on the title (link) in the following section. This will open the ICC web page to the code book referenced in the title. In the left-hand select the chapter you want to review.
NEC Electrical Code
To view the NEC electrical code, click on the 2014 National Electrical Code (link) in the following section. This will open the NFPA web page. Look for the Free Access button, scroll down to Select the Free Access Edition, select the 2014 edition from the list, and click the View button. Finally click I Agree button and the Cover of the 2014 NEC will appear. From there you can review the electrical code.
Need Further Assistance?
Please feel free to contact the 
Chief Code Official for specific code requirements or interpretations. 

2015 International Building Codes
The City of Warrenville adopted the 2015 International Building Codes published by the International Code Council (ICC). ICC is dedicated to producing and publishing construction codes that have been thoroughly vetted through a governmental process involving construction and code administration experts. These codes are used in all fifty states and several countries internationally. 
The  list of adopted codes and amendments include the:
2015 International Building Code for commercial structures.
Warrenville building code amendments.
2015 International Mechanical Code for commercial heating, air conditioning & ventilation.
2015 International Fuel Gas Code for commercial use of fuel gases.
2015 International Existing Building Code for addressing repairs and alterations to existing structures.
The latest published edition of the Illinois Plumbing code for all plumbing projects. 
2018 International Energy Code with Illinois amendments for energy conservation in all construction.
2015 Fire Code for fire safety in all properties and structures.
Warrenville fire code amendments.
2014 National Electrical Code for electrical construction and maintenance.
Warrenville electrical code amendments.
2015 International Residential Code for single family, duplex/townhome (up to six units) construction.
Warrenville residential code amendments.
2015 International Pool and Spa Code for swimming pool and spa tub installations.  

Codes for construction mandated by the State of Illinois include the Illinois Accessibility Code and the Illinois State Plumbing Code

For your convenience, the International Code Council provides free easy access to the 2015 Building Code series. Just click on any of the links above and ICC publicAccess web page will open to the selected code book. *The link to the  National Electrical Code will take you to the NFPA website. The 2017 NEC will automatically display, just select 2014 in the scroll box and click display.
Please feel free to contact the Chief Code Official for specific code requirements or interpretations. 

General Construction Information

                                        7:00 a.m. to 7:00 p.m. Monday through Friday
                                        8:00 a.m. to 6:00 p.m. Saturday, Sunday, and Federal Holidays

Construction Sites

  • A temporary construction sign shall be posted where a new building is being constructed, displaying the construction company name and telephone number, and the site address. The sign must also include space for posting the Building Permit.
  • All demolition and construction sites are required to have fencing installed around the construction site.
  • Accessible toilet facilities are required on work sites.
  • A dumpster is required on the site for the containment and disposal of all job site refuse.
  • A temporary durable access drive is required for vehicles to drive in and out of the construction site.

Fire Suppression
Automatic fire suppression is required on all new construction except detached single-family dwellings. Fire suppression in existing construction shall comply with the requirements of the Existing Building Code. 

All electrical contractors must be registered with the City of Warrenville.
Conduit raceways are required in all new construction.