Princeton, Illinois Building Codes

Updated : 08/19/2024

Overview

Princeton, Illinois, adopted the 2015 International Residential Code (IRC), with amendments. Princeton, IL, Muni. Code § 9-2-1 (adoption) and § 9-2-2 (amendments). Princeton, Illinois, adopted the 2015 International Building Code (IBC), with amendments. Princeton, IL, Muni. Code § 9-3-1 (adoption) and § 9-3-2 (amendments). Princeton, Illinois, adopted the 2015 International Existing Building Code (IEBC), with amendments. Princeton, IL, Muni. Code § 9-4-1 (adoption) and § 9-4-2 (amendments). 

Helpful resources for Princeton, 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.

Princeton 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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Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Princeton ? Yes
Citation: Princeton, IL, Muni. Code § 9-2-2 (amendments).
Municipal Code https://codelibrary.amlegal.com/codes/princetonil/latest/princeton_il/0-0-0-6466
Comments:

Table R301.2(1), insert the following:

Ground snow load: 20 psf.

Wind speed (three second gust): 90 mph.

Weathering: severe.

Frost line depth: 42 inches minimum below grade.

Termite: moderate to heavy.

Winter design temperature: -4 degrees Fahrenheit.

Ice barrier underlayment: required.

Flood hazards: reference flood insurance rate map for city of Princeton.

Air freezing index: 2000.

Mean annual temperature: 50.5 degrees Fahrenheit.

Government Officials
Last Name First Name Title E-mail Phone Note
Nelson Peter Director of Planning & Zoning pnelson@princeton-il.com 815/875-2631 ext. 1007

Comments

Princeton, Illinois, adopted the 2015 International Residential Code (IRC), with amendments. Princeton, IL, Muni. Code § 9-2-1 (adoption) and § 9-2-2 (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.

No adoption of appendix J of the adopted IRC was located. 

Princeton, Illinois, adopted the 2015 International Existing Building Code (IEBC), with amendments. Princeton, IL, Muni. Code § 9-4-1 (adoption) and § 9-4-2 (amendments). 

Commercial Building Code

Princeton 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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Comments

Princeton, Illinois, adopted the 2015 International Building Code (IBC), with amendments. Princeton, IL, Muni. Code § 9-3-1 (adoption) and § 9-3-2 (amendments).

Existing Buildings

Princeton, Illinois, adopted the 2015 International Existing Building Code (IEBC), with amendments. Princeton, IL, Muni. Code § 9-4-1 (adoption) and § 9-4-2 (amendments). 

Other Building Codes

Princeton, Illinois, adopted the 2015 International Property Maintenance Code (IPMC), with amendments. Princeton, IL, Muni. Code § 9-6-1 (adoption) and § 9-6-2 (amendments).

Princeton, Illinois, adopted the 2015 International Fire Code (IFC), with amendments. Princeton, IL, Muni. Code § 9-5-1 (adoption) and § 9-5-2 (amendments). 

Princeton, Illinois, adopted the current Illinois State Plumbing Code. Princeton, IL, Muni. Code § 9-8-1 (adoption). 

Princeton, Illinois, adopted the 2023 National Electrical Code (NFPA). Princeton, IL, Muni. Code § 9-7-1 (adoption).