Updated : 06/06/2024

Overview

Lake Forest, Illinois, adopted the 2018 International Residential Code (IRC). Lake Forest, IL, Muni. Code § 150.185 (adoption). Lake Forest, Illinois, adopted the 2018 International Building Code (IBC). Lake Forest, IL, Muni. Code § 150.220 (adoption). 

Helpful resources for Lake Forest, Illinois include the following.

• Jurisdiction's Information Page(s):
  • Lake Forest, IL Website
  • Lake Forest, IL Code of Ordinances
  • Lake Forest, IL Building Regulations
• 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.

Lake Forest adopted the 2018 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.

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2018 IRC(Lake Forest, IL § 150.185 ADOPTION OF RESIDENTIAL BUILDING CODE.)

...§ 150.185 ADOPTION OF RESIDENTIAL BUILDING CODE. For the purpose of prescribing the regulations governing the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, removal and demolition of detached one- and two-family dwellings and multi-single-family dwellings not more than three stories in height with a separate means of egress and their accessory structures, the following code, as it may be modified herein, is hereby adopted by reference and incorporated herein, and shall constitute and be deemed to be “The Residential Building Code of the City of Lake Forest:” the International Residential Building Code for One- and Two-Family Dwellings, 2018 Edition, International Code Council, Inc....

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Lake Forest ? Undetermined
Comments:

No amendments to Table R301.2(1) were found in the municipal code or city website; Therefore, it is unclear if ice barrier underlayment is required.

Government Officials

Comments

Lake Forest, Illinois, adopted the 2018 International Residential Code (IRC). Lake Forest, IL, Muni. Code § 150.185 (adoption).

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.

Lake Forest, Illinois, did not adopt the International Existing Building Code (IEBC).

Commercial Building Code

Lake Forest adopted the 2018 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.

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See Amlegal(Lake Forest, IL Municipal Code)

...Adoption not found...

Comments

Lake Forest, Illinois, adopted the 2018 International Building Code (IBC). Lake Forest, IL, Muni. Code § 150.220 (adoption). 

Existing Buildings

Lake Forest, Illinois, did not adopt the International Existing Building Code (IEBC).

Other Building Codes