Oak Brook, Illinois Building Codes

Updated : 04/22/2024

Overview

Oak Brook, IL has adopted the 2015 International Codes, with amendments, including the 2015 IRC and IBC. Oak Brook, IL Muni. Codes § 10-1-1 (adoptions) and § 10-1-2 (amendments).

Helpful resources for Oak Brook, Illinois include the following.

Residential Building Code

Illinois has yet to adopt a statewide residential code. Local laws will control.See PLRB, Illinois Building Codes for more information on state level codes.

Oak Brook adopted the 2015 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about amendments to the model code here.

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See sterling(Oak Brook, IL Municipal Code)

...Adoption not found...

2021 IRC(Oak Brook, IL 10-1-1: BUILDING CODES ADOPTED:)

...International Residential Code: 2021 edition, including appendix chapters A, B, C, D, F, G, H, I, J, K, M, O, Q, R, S, T, and U (see international residential code section R101.2.1, 2021 edition), published by the International Code Council, Inc. C. International Mechanical Code: 2021 edition, including appendix chapter A (see international mechanical code section 101.2.1, 2021 edition), published by the International Code Council, Inc....

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Oak Brook ? Yes
Citation: § 10-1-2
Municipal Code https://sterlingcodifiers.com/codebook/index.php?book_id=333&chapter_id=8117#s1139266
Comments:

Table R301.2.(1) 
Climatic And Geographic Design Criteria 
 

Ground snow load   25 lb/ft2  
Ultimate wind design   115 mph*  
Seismic design category   A  
Subject to damage from   Weathering   Severe  
Frost line depth   42"  
Termite   Moderate to severe  
Winter design temperature   -4°F, 971/2%  
Summer design temperature   89°F dry bulb, 21/2%  
76°F wet bulb, 21/2%  
Ice barrier underlayment   Required  
Flood hazards   FIRM #170214
Panels 0606H-0609H
12/16/2004  
Air freezing index   1543 (°F – days)  
Annual mean temperature   49.4°F  
Heating degree days (HDD)   6,155  
Cooling degree days (CDD)   942  
Climate zone   5A  
Indoor design conditions   Max. 72°F – heating
Min. 75°F – cooling  
100-year hourly rainfall rate   4"  

 

*Ultimate Design Wind Speed replaces Basic Wind Speed as found in earlier editions. Although the values are different, there is very little practical difference in the design or construction requirements.

Government Officials
Last Name First Name Title E-mail Phone Note
Hudson Bill Building Inspections Supervisor bhudson@oak-brook.org 630/368-5110

Comments

Oak Brook, IL has adopted the 2015 IRC appendices A, B, C, D, F, G, H, I, J, K, M, O, Q, R, S, T, and U.

 

Existing Buildings

Existing buildings, meaning buildings that were built in accordance to code at the time of construction, typically merit extra consideration in a current updated code.

Oak Brook, IL has adopted the 2015 IRC including appendix J. Oak Brook, IL Muni. Code § 10-1-1.

Commercial Building Code

Oak Brook adopted the 2015 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about amendments to the model code here.

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See Amlegal(Oak Brook, IL Municipal Code)

...Adoption not found...

2015 IBC(Oak Brook, IL 10-1-1: BUILDING CODES ADOPTED:)

...10-1-1: Building CODES ADOPTED:A. International Building Code: 2015 edition, including appendix chapters A, C, E, F, G, I, and K (see International...

Comments

Oak Brook, IL has adopted the 2015 IBC including appendices A, C, E, F, G, I, and K. 

Existing Buildings

Oak Brook, IL has adopted the 2015 IEBC. OakBrook, IL Muni. Code § 10-1-1.

Other Building Codes

Oak Brook, IL also adopted the following code:

2015 International Mechanical Code. Oak Brook, IL Muni. Code § 10-1-1.

2015 International Fuel Gas Code. Oak Brook, IL Muni. Code § 10-1-1.

2015 International Swimming Pool and Spa Code. Oak Brook, IL Muni. Code § 10-1-1.

2015 Illinois Energy Conservation Code. Oak Brook, IL Muni. Code § 10-1-1.

2015 International Fire Code. Oak Brook, IL Muni. Code § 10-2-1.

2014 National Electrical Code (NFPA 70). Oak Brook, IL Muni. Code § 10-1-1.

State of Illinois Plumbing Code. Oak Brook, IL Muni. Code § 10-1-1.

2015 International Plumbing Code. Oak Brook, IL Muni. Code § 10-1-1.

Illinois Safety Code for Elevators and Escalators. Oak Brook, IL Muni. Code § 10-1-1.

2015 International Property Maintenance Code. Oak Brook, IL Muni. Code § 10-1-1.