815 ILCS 670

in effect

815 ILCS 670/1

(815 ILCS 670/1) Sec. 1. Short title. This Act may be cited as the Illinois Residential Building Code Act. (Source: P.A. 93-778, eff. 1-1-05.)

(815 ILCS 670/5) Sec. 5. Purpose. The purpose of this Act is to provide minimum requirements for safety and to safeguard property and the public welfare by regulating and controlling the design, construction, installation, and quality of materials of new residential construction as regulated by this Act. (Source: P.A. 93-778, eff. 1-1-05.)

815 ILCS 670/10 Definitions

(815 ILCS 670/10) Sec. 10. Definitions. In this Act: "International Residential Code" means the current edition or the most recent preceding edition of the International Residential Code for One- and Two-Family Dwellings published by the International Code Council, excluding Parts IV and VII. "New residential construction" means any original construction of a single-family home or a dwelling containing 2 or fewer apartments, condominiums, or townhouses. "Non-building code jurisdiction" means any area of the State in a municipality or county having jurisdiction that: (i) has not adopted a residential building code; or (ii) is required to but has not identified its adopted residential building code to the Board under Section 10.18 of the Capital Development Board Act. "Residential building code" means a model code adopted by a municipality or county, with or without local amendments, to regulate the construction of single-family or 2-family residential structures or townhouses within the municipality or county. Home builder means any individual, corporation, or partnership that constructs a fixed building or structure for sale or use by another as a residence or that, for a price, commission, fee, wage, or other compensation, undertakes or offers to undertake the construction of any building or structure to be used by another as a residence, if the individual, corporation, or partnership reasonably expects to earn a financial profit from that activity. (Source: P.A. 103-510, eff. 1-1-24.)

815 ILCS 670/15

(815 ILCS 670/15) Sec. 15. Adoption of residential building code. A contract to build new residential construction in any non-building code jurisdiction must adopt as part of the construction contract the applicability of a residential building code that is agreed to by the home builder and the home purchaser as provided in this Section. The home builder and the home purchaser may agree to adopt the International Residential Code or any municipal residential building code or county residential building code that is in effect on the first day of construction in any county or municipality that is within 100 miles of the location of the new home. If the home builder and the home purchaser fail to agree to a residential building code or if no residential building code is stated in the contract, the code adopted under Section 15 of the Energy Efficient Building Act, the plumbing code promulgated by the Illinois Department of Public Health under Section 35 of the Illinois Plumbing License Law, and the current edition of the International Residential Code shall, by law, be adopted as part of the construction contract. (Source: P.A. 103-510, eff. 1-1-24.)

815 ILCS 670/20

(815 ILCS 670/20) Sec. 20. Homes constructed for resale. If a builder constructs a home for resale, the builder must certify to the buyer that the builder has constructed the home in compliance with a code authorized under Section 15 and must identify that code. (Source: P.A. 93-778, eff. 1-1-05.)

815 ILCS 670/99

(815 ILCS 670/99) Sec. 99. Effective date. This Act takes effect January 1, 2005. (Source: P.A. 93-778, eff. 1-1-05.)

Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.ilga.gov/legislation/ilcs/ilcs.aspFetched: 10/17/2026