Updated : 04/22/2024
Overview
Decatur, Illinois, adopted the 2021 International Residential Code (IRC), including appendices AA, AB, AC, AD, AG, AH, AJ, AM, AO, AQ, AW, with amendments. Decatur, IL, City Code Chapter 67.2 (adoption and amendments). Decatur, Illinois, adopted the 2021 International Building Code (IBC), with amendments. Decatur, IL, City Code Chapter 67 (adoption and amendments).
Helpful resources for Decatur, 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.
Decatur adopted the 2021 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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Drip Edge
Drip Edge: yes
Ice Barrier
Are ice barriers required for Decatur ? Yes
Citation: Chapter 67.2
Municipal Code
https://decaturil.gov/wp-content/uploads/2023/02/Chapter-67.2-Feb.-22-2024.pdf#page=3Comments:
(c) Table R301.2 – Add the following values to the table:
Ground Snow Load, 20 PSF
Wind-Design Speed 107 MPH
Seismic Design Category, B
Weathering, Severe
Frost Line Depth, 36 inches
Termite, moderate to heavy
Ice Barrier underlayment required, yes
Flood Hazards, 8/1/79
Air Freezing Index, 1265
Mean Annual Temp. 51.9 F.
Government Officials
Last Name |
First Name |
Title |
E-mail |
Phone |
Note |
Althoff |
Kim |
City Clerk |
kalthoff@decaturil.gov |
217/424-2700 |
|
Comments
Decatur, Illinois, adopted the 2021 International Residential Code (IRC), including appendices AA, AB, AC, AD, AG, AH, AJ, AM, AO, AQ, AW, with amendments. Decatur, IL, City Code Chapter 67.2 (adoption and amendments).
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.
Please refer to appendix AJ of the adopted 2021 IRC.
Decatur, Illinois, did not adopt the IEBC.
Commercial Building Code
Decatur adopted the 2021 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.
Auto Search - beta:
No results were located with the automated search.
Comments
Decatur, Illinois, adopted the 2021 International Building Code (IBC), with amendments. Decatur, IL, City Code Chapter 67 (adoption and amendments).
Other Building Codes
Decatur, Illinois, adopted the 2017 National Electrical Code (NFPA 70), with amendments. Decatur, IL, City Code Chapter 69 (adoption and amendments).
Decatur, Illinois, adopted the 2015 International Property Maintenance Code (IPMC), with amendments. Decatur, IL City Code Chapter 70 (adoption and amendments).
Decatur, Illinois, adopted the latest Illinois Plumbing Code, with amendments. Decatur, IL, City Code Chapter 70.1 (adoption and amendments).
Decatur, Illinois, adopted the 2015 International Mechanical Code. Decatur, IL, City Code Chapter 68 (adoption and amendments).
Decatur, Illinois, adopted the 2015 International Fire Code (IFC), with amendments. Decatur, IL City Code Chapter 44 (adoption and amendments).
Decatur, Illinois, adopted the 2015 International Fuel Gas Code (IFGC), with amendments. Decatur, IL, City Code Chapter 68 (adoption and amendments).