Updated : 10/03/2024

Overview

Will County, Illinois, adopted the 2018 International Residential Code (IRC), including appendices A, B, C, E, H, K, with amendments. Will County, IL, Muni. Code § 150.002 (adoption) and § 150.180 (amendments). Will County, Illinois, adopted the 2018 International Building Code (IBC), with amendments. Will County, IL, Muni. Code § 150.002 (adoption) and § 150.120 (amendments). Will County, Illinois, adopted the 2018 International Existing Building Code (IEBC), with amendments. Will County, IL, Muni. Code § 150.002 (adoption) and § 150.115 (amendments).

Helpful resources for Will County, Illinois include the following.

• Jurisdiction's Information Page(s):
  • Will County, IL Website
  • Will County, IL Code of Ordinances
  • Will County, IL Building Code
• 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.

Will County 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.

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

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2018 IRC(Will County, IL CHAPTER 150: BUILDING CODE)

...CHAPTER 150: BUILDING CODE Section General Provisions 150.001 Short title 150.002 Adoption of codes 150.003 Permits and scope of regulations 150.004 Agricultural exemptions 150.005 Rules adopted by reference 150.006 Enforcement 150.007 Relief from responsibility 150.008 Fees 150.009 Regulations for administration of building ordinance 150.010 Inspection of pre-fabricated structures 150.011 Alternative materials, design and methods of construction 150.012 Notice of violation Editor’s Note: For Building Code Fee Schedule, see § 158.02 Minimum Building Requirements 150.030 Building requirements 150.040 Wood frame construction requirements 150.050 Roofing requirements 150.060 Fire resistant construction requirements 150.070 Concrete requirements 150.080 Heating, ventilation, and air conditioning (HVAC) requirements 150.110 Electrical requirements 150.114 Demolition requirements 150.115 Single family residences, duplex and townhouse existing building code 150.116 Building Code requirements for temporary structures and requirements associated with zoning temporary use permits International Building Code 2018 150.120 Amendments to the International Building Code Illinois Energy Efficient Building Act 150.130 Illinois Energy Efficient Building Act International Fire Code 2018 150.140 Amendments to the International Fire Code International Fuel Gas Code 2018 150.150 Amendments to the International Fuel Gas Code International Mechanical Code 2018 150.160 Amendments to the International Mechanical Code International Property and Maintenance Code 2018 150.170 Amendments to the International Property and Maintenance Code International Residential Code 2018 150.180 Amendment to the International Residential Code International Swimming Pool and Spa Code 2018 150.190 Amendments to the International Swimming Pool and Spa Code 2018 150.999 Fines; penalties; costs...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Will County ? Yes
Citation: Will County, IL, Muni. Code § 150.180 (amendments).
Municipal Code https://codelibrary.amlegal.com/codes/willcounty/latest/willcounty_il/0-0-0-48513
Comments:

Table R301.2(i)

   Ground snow load: 30 pounds per square foot when taking reductions or 25 pounds per square foot roof load (without reductions)

   Wind Speed: 115 m.p.h. (Uplift > 20 Lbs./Sq. Ft.)

   Topographic Effects: No

   Special Wind Region: No

   Windbourne Debris Zone: No

   Seismic: A

   Weathering: Severe

   Frost Line: 42″

   Termite: Moderate to heavy

   Winter Design Temperature: 0, 1 or -1 (6,155 Heating Degree Days)

   Ice Barrier Underlayment Required: Yes

   Flood Hazards:

1.   National Flood Insurance Program entry date 4-15-1982
2.   Flood Insurance Study Date revised 2-15-19
3.   126 Active Firm Panels Effective 2-15-19 (see water resource ordinance)

   Air Freezing Index – 2000

   Mean Annual Temperature – 50.1

Government Officials

Comments

Will County, Illinois, adopted the 2018 International Residential Code (IRC), including appendices A, B, C, E, H, K, with amendments. Will County, IL, Muni. Code § 150.002 (adoption) and § 150.180 (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 J of the adopted 2018 IRC.

Will County, Illinois, adopted the 2018 International Existing Building Code (IEBC), with amendments. Will County, IL, Muni. Code § 150.002 (adoption) and § 150.115 (amendments).

Commercial Building Code

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

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See Amlegal(Will County, IL Municipal Code)

...Adoption not found...

Comments

Will County, Illinois, adopted the 2018 International Building Code (IBC), with amendments. Will County, IL, Muni. Code § 150.002 (adoption) and § 150.120 (amendments).

Existing Buildings

Will County, Illinois, adopted the 2018 International Existing Building Code (IEBC), with amendments. Will County, IL, Muni. Code § 150.002 (adoption) and § 150.115 (amendments).

Other Building Codes