SB 3726

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Full Text of SB3726
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					SB3726 - 104th General Assembly
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104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026
SB3726
Introduced 2/5/2026, by Sen. Steve Stadelman
SYNOPSIS AS INTRODUCED:
65 ILCS 5/11-13-30 new
    Amends the Control Over Building and Construction Article of the Illinois Municipal Code. Provides that a municipality may not prohibit the building or usage of accessory dwelling units in the municipality. Provides that a municipality may provide reasonable regulations relating to the size and location of accessory dwelling units similar to other accessory structures unless a regulation would have the effect of prohibiting accessory dwelling units. Limits home rule powers. Defines terms.
				LRB104 19396 RTM 32844 b
A BILL FOR
		SB3726		LRB104 19396 RTM 32844 b
1		    AN ACT concerning local government.
2		    Be it enacted by the People of the State of Illinois,
3		represented in the General Assembly:
4		    Section 1. Short title. This Act may be referred to as the
5		Accessory Dwelling Unit Permissibility Act.
6		    Section 5. The Illinois Municipal Code is amended by
7		adding Section 11-13-30 as follows:
8		    (65 ILCS 5/11-13-30 new)
9		    Sec. 11-13-30. Accessory dwelling units.
10		    (a) As used in this Section:
11		    "Accessory dwelling unit" means an attached or a detached 
12		residential dwelling unit that provides complete independent 
13		living facilities for one or more persons and is located on a 
14		lot with a proposed or existing primary residence and includes 
15		permanent provisions for living, sleeping, eating, cooking, 
16		and sanitation on the same parcel as the single-family or 
17		multifamily dwelling upon which it is or will be situated. 
18		"Accessory dwelling unit" includes, but is not limited to:
19		        (1) an efficiency unit; or
20		        (2) a manufactured home, as that term is defined in 
21		    paragraph (53) of subsection (a) of Section 9-102 of the 
22		    Uniform Commercial Code.
		SB3726	- 2 -	LRB104 19396 RTM 32844 b
1		    "Efficiency unit" means a unit for occupancy by no more 
2		than 2 persons that has a minimum floor area of 150 square feet 
3		and may also have a partial kitchen or bathroom facilities.
4		    (b) A municipality may not prohibit the building or usage 
5		of accessory dwelling units in the municipality.
6		    (c) A municipality may provide reasonable regulations 
7		relating to the size and location of accessory dwelling units 
8		similar to other accessory structures unless a regulation 
9		would have the effect of prohibiting accessory dwelling units.
10		    (d) A home rule unit may not regulate accessory dwelling 
11		units in a manner inconsistent with this Section. This Section 
12		is a limitation under subsection (i) of Section 6 of Article 
13		VII of the Illinois Constitution on the concurrent exercise by 
14		home rule units of powers and functions exercised by the 
15		State.