Updated : 04/22/2024

Overview

Boone County, Illinois adopted the 2021 International Residential Code (IRC), with amendments. Boone County, IL, Muni. Code § 18-28 (adoption) and § 18-29 (amendments). Boone County, Illinois, adopted the 2003 International Building Code (IBC), with amendments. Boone County, IL, Muni. Code § 18-26 (adoption) and § 18-27 (amendments). 

Helpful resources for Boone County, Illinois include the following.

• PLRB, Ordinance and Law Coverage Discussion for Illinois

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.

Boone County 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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2021 IRC(Boone County, IL Sec. 18-28. - 2021 International Residential Code (IRC).)

...(a) The county board hereby adopts the 2021 International Residential Code (IRC), except as provided in subsections (b) and (c) of this section, for the regulation of the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, removal and demolition...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Boone County ? Yes
Citation: Boone County, IL, Muni. Code $ 18-29 (amendments).
Municipal Code https://library.municode.com/il/boone_county/codes/code_of_ordinances?nodeId=CD_ORD_CH18BUBURE_ARTIIBUCO_S18-29LOAM2021INRECOIR
Comments:

Government Officials

Comments

Boone County, Illinois adopted the 2021 International Residential Code (IRC), with amendments. Boone County, IL, Muni. Code § 18-28 (adoption) and § 18-29 (amendments).

(e) Revise Section R313 to read as follows:

1. R313—Automatic Fire Sprinkler Systems.

i.R313.1 Duplex/Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler shall not be required to be installed in duplexes/townhouses.

ii. R313.1.1 Design and Installation. If an Automatic residential fire sprinkler system is  installed voluntarily in a duplex/townhome, it shall be designed and installed in accordance with the current edition of the Illinois Plumbing Code and NFPA 13D.

iii. R313.1.2 Other Code Requirements. All structures built without automatic fire sprinkler systems shall comply with all code requirements of the International Residential Code for non-sprinklered construction.

iv. R313.2 One family dwellings automatic fire systems. An automatic residential fire sprinkler system shall not be required to be installed in one family dwellings, including additions and alterations to such dwellings.

v. R313.2.1 Design and Installation. If an Automatic residential fire sprinkler system is installed voluntarily in a one family dwelling, it shall be designed and installed in accordance with the current edition of the Illinois Plumbing Code and NFPA 13D.

vi. R313.2.2 Other Code Requirements. All structures built without automatic fire sprinkler systems shall comply with all code requirements of the International Residential Code for non-sprinklered construction.

 

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.

Boone County, Illinois, did not adopt the IEBC.

Commercial Building Code

Boone County adopted the 2003 IBC, statewide with limitations. 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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2003 IBC(Boone County, IL Sec. 18-26. - International Building Code, 2003 Edition—Adopted.)

...the International Building Code, second printing, 2003, as published by the International Code Council, is hereby adopted as the building code of the county for the control of buildings and structures as herein provided, and each and all of the regulations, provisions, penalties, conditions, and terms of the International Building Code, second...

Comments

Boone County, Illinois, adopted the 2003 International Building Code (IBC), with amendments. Boone County, IL, Muni. Code § 18-26 (adoption) and § 18-27 (amendments). 

Existing Buildings

Boone County, IL did not adopt the IEBC, therefore Chapter 34 of the IBC would apply.

Other Building Codes