Accessory Structures in North Chicago, IL (2026)
4 verified accessory structures rules for North Chicago, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
North Chicago permits limited accessory dwelling units within the Urban Redevelopment Overlay (URO) District. ADUs must be within a principal building of at least two stories and comply with ADA and IL Accessibility Code.
North Chicago ADU Rules & Accessory Dwelling Unit Regulations
Some RestrictionsShed Rules
Sheds in North Chicago may not exceed 120 square feet and must be set back at least 5 feet from any property line per Zoning Ordinance Section 4.4.3.2. Building permits required.
North Chicago Shed Rules & Outbuilding Regulations
Some RestrictionsGarage Conversions
Garage conversions in North Chicago require building permits and zoning compliance. Accessory buildings may not have plumbing fixtures per Section 4.4.2.8, limiting conversion options.
North Chicago Garage Conversion Rules & Requirements
Some RestrictionsCarport Rules
North Chicago lists carports as a permitted accessory structure under Section 4.4.3.8 of the Zoning Ordinance and requires a building permit. Detached carports must sit no closer than five feet to the principal building or any lot line (Section 4.4.2.9), may not be located in a required front yard or required side yard (Section 4.4.2.6), and may not exceed ten feet in height for non-garage accessory structures (Section 4.4.2.7).
Carport Rules in North Chicago
Some RestrictionsLooking for Lake County county-wide rules?
County ordinances apply to unincorporated areas and may supplement North Chicago city rules.
Accessory Structures in Lake County →