Accessory Structures in Bolingbrook, IL (2026)
4 verified accessory structures rules for Bolingbrook, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Bolingbrook does not currently permit accessory dwelling units (ADUs) as a by-right use in residential zones. The Village's zoning ordinance (Chapter 54) does not include ADU provisions. Illinois HB 2373 (2024) encourages ADU development statewide, but Bolingbrook has not adopted local ADU regulations. Contact Village Planning for current guidance.
Bolingbrook ADU Rules & Accessory Dwelling Unit Regulations
Heavy RestrictionsShed Rules
Sheds and accessory structures in Bolingbrook require building permits per the Village Building Division. Structures must comply with Chapter 54 Zoning setback and size requirements. Permits must be obtained prior to the start of any work. Contact the Building Division or submit applications through the online permits portal.
Bolingbrook Shed Rules & Outbuilding Regulations
Some RestrictionsGarage Conversions
Garage conversions in Bolingbrook require building permits and must comply with Chapter 54 Zoning requirements. Converted garages must maintain required off-street parking per Article VII of the zoning ordinance. Illinois has no state-mandated garage-to-ADU conversion allowance. Contact the Building Division for permit requirements.
Bolingbrook Garage Conversion Rules & Requirements
Some RestrictionsCarport Rules
Bolingbrook regulates detached carports as accessory structures under Chapter 54 (Zoning), Article III (Accessory Structures and Uses), with primary placement and yard rules in Section 54-225. A detached accessory structure must be located behind the front wall setback of the principal residence, may not be placed in a corner side yard or on a vacant lot, must sit at least 5 feet from any rear or side lot line and at least 10 feet from the residence, and must respect Bolingbrook's R-2 30 percent and R-3 35 percent total lot-coverage caps.
Carport Rules in Bolingbrook
Some RestrictionsLooking for Will County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Bolingbrook city rules.
Accessory Structures in Will County →