Codes & Design Criteria

When assembling design documents for construction within the City of Wheaton the following city, state and federal regulations are in effect. These regulations pertain to the design and construction of buildings and spaces, including, but not limited to: new construction, additions, alterations, remodeling, and other similar projects. All amendments to the Wheaton City Code can be viewed online.

We also have more than fifty guidelines on our website for numerous types of projects that we see on a regular basis such as; decks, sheds, fences, new homes, signs, commercial buildings, grading of lots and similar. These guidelines inform you of; documents you need to provide to the city, pertinent codes applicable to your project, typical inspections, fees, as well as other applicable governmental agencies.

We recommend that you familiarize yourself with the applicable guideline at which time our Permit Processors can be contacted at 630-260-2050 to answer any questions you may have.

Single-Family Dwellings
Construction of a single-family dwelling or accessory structure such as a garage, deck or gazebo are required to comply with the following codes:

City & State Codes

  • Wheaton Zoning Ordinance.
  • Wheaton City Code: Chapter 22, Building and Building Regulations.
  • ICC International Residential Code 2012 (including Appendix Chapters A, B, C, G, H, J, and O). For Design Criteria see IBC below.
  • Illinois Energy Conservation Code references the ICC International Energy Conservation Code 2018 with references to ANSI/ASHRAE/IES Standard 90.1-2016 Energy Standard, effective July 1, 2019.
  • State of Illinois Plumbing Code 2014, Effective April 24, 2014.
  • See Site Development requirements below.
  • Sewer permits either Wheaton Sanitary District or DuPage Sanitary District; see Site Development below.

Structures Other Than Single-Family Dwellings
Construction of any structure other than a single-family dwelling must comply with the following:

City Codes

The following chart outlines the design parameters that dictate how and what to build in Wheaton. These criteria are required under the International Building Code and the International Residential Code:

Ground snow load
25 psf
Wind speed
3 second 90 normal 75
Seismic design category
Frost line depth
42 inches
Moderate to heavy
Slight to moderate
Winter design temperature
-04 degrees F
Ice shield underlayment
Flood Hazard
June 15, 1979
Air freezing index
Mean annual temperature
49.4 degrees F
  • ICC International Plumbing Code 2012 with referenced standards and Appendices B, C, D and F. For roof drain, see the ICC International Plumbing Code 2012.
  • NFPA 70 National Electric Code 2011.
  • ICC International Mechanical Code 2012.
  • ICC International Fuel Gas Code 2012 referenced standards and Appendices A, B and C.
  • ICC International Fire Code 2012 which references;
    • NFPA 13 Standard for Installation of Sprinkler Systems 2010, and
    • NFPA 72 National Fire Alarm and Signaling Code 2010

State of Illinois Codes

  • State of Illinois Plumbing Code 2014, Effective April 24, 2014.
  • Illinois Energy Conservation Code. Effective July 1, 2019, the new energy conservation code will be the ICC International Energy Conservation Code 2018 with reference to ANSI/ASHRAE/IESNA Standard 90.1-2016 Energy Standard (excludes low-rise residential).

The city only accepts the following methods for compliance with the 2018 Illinois Energy Code:

  1. Prescriptive;
  2. Trade-Off (i.e., RES/Check); or
  3. Total Building Performance (Section 405), using:
    • REM/Rate: most current version
    • Ekotrope: most current version
  • Illinois Code for Safety to Life from Fire in Buildings and Structures references the NFPA-101, 2000 Edition Life Safety Code.
  • Illinois Food Service Sanitation Code includes Title 77 of the Illinois Administrative Code, Health Chapter I, Illinois Department of Public Health; Subchapter M, Food, Drug and Cosmetics, Part 750 (Enforced by the DuPage County Health Department).
  • Illinois Accessibility Code
    The 2018 Illinois Accessibility Code (71 Ill. Adm. Code 400), replaced the former (1997) accessibility code and will be applied to new construction as well as alterations proposed at buildings other than detached single-family dwellings. In recognition of the fact that building design is a lengthy process, the Capital Development Board has allowed for a grace period of twelve (12) months for those designs based on the 1997 Code. It is the designer's option as to whether the old or new Code is used. Only one version can be used. you cannot pick and choose between the codes. The new Illinois Accessibility Code went into effect on October 23, 2018, and can be viewed at:

Federal Requirements

  • American with Disabilities Act
  • Department of Labor (OSHA) Safety Requirements
  • Federal Fair Housing Act
  • See Site Development - FEMA Technical Bulletin 10

Site Development
Site development and improvement projects shall comply with the following codes and/or other governing agencies and their respective regulations. These codes/regulations apply to all improvements made to a site, including, but not limited too: planned unit developments, subdivisions, one-lot developments, new buildings, building additions, water lines, sanitary sewers, storm sewers, roads, drive approaches, sidewalks, and grading.

City Codes

  • Wheaton City Code
  • Chapter 22: Grading, Grading Survey;
  • Chapter 34: Floodplain, Stormwater, Runoff and Erosion Control;
  • Chapter 58: Streets, Sidewalks and Other Public Places;
  • Chapter 62: Subdivisions; and
  • Chapter 74: Utilities.
  • Wheaton Zoning and Planning; Wheaton Zoning Ordinance
  • City of Wheaton Design Details and Standards: Construction and installations on City property shall comply with the City of Wheaton Design Details and Standards and apply to streets, sidewalks, drive approaches, trees, grading and more. These standards are available upon request.

DuPage County

  • Countywide Stormwater and Flood Plain Ordinance;
  • Department of Transportation (for developments along DuPage County roads and any new use); and
  • Sanitary District, Sewer Permits: Applies to buildings in the southeast quadrant of the City.
  • Wheaton Sanitary District, Sewer Permits: Applies to buildings that are not serviced by the DuPage County Sewer District.

State & Federal

  • Federal Emergency Management Agency (FEMA)
    • National Flood Insurance Program.
    • Technical Bulletin 10 ensuring that structures built on fill-in or near special flood hazard areas are reasonably safe from flooding.
  • State Highway Authority: Applies to any developments along state roads such as Roosevelt Road.
  • Illinois Water Well Construction Code: For abandonment of existing water wells contact the DuPage County Department of Public Health.

Construction and Demolition Site Regulations
See Demolition & Construction Site Regulations Handout

Revised 5/2/2019