Accessory Structures in Evanston, IL (2026)
5 verified accessory structures rules for Evanston, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Evanston permits accessory dwelling units in certain residential zoning districts. ADUs may be created through coach house construction, garage conversions, or additions to existing structures, subject to zoning approval and building permits.
Evanston Accessory Dwelling Unit (ADU) Rules
Some RestrictionsShed Rules
Evanston requires building permits for storage sheds exceeding a certain size threshold. All sheds must comply with zoning setback requirements and lot coverage limits. Smaller sheds may be exempt from building permits but still must meet zoning standards.
Evanston Storage Shed Permit Requirements
Some RestrictionsGarage Conversions
Evanston allows garage conversions to living space subject to building permits and zoning compliance. Converting a garage may require providing replacement off-street parking depending on the zoning district requirements.
Evanston Garage Conversion Regulations
Some RestrictionsCarport Rules
Carports in Evanston require a building permit and must comply with accessory structure setback and lot coverage requirements. Carports are treated as accessory structures under the zoning ordinance. Front yard carports are generally prohibited in residential districts. Materials and design must be compatible with the principal structure.
Evanston Carport Permit & Setback Requirements
Some RestrictionsTiny Homes
Tiny homes face significant zoning barriers in Evanston. The city's zoning ordinance establishes minimum dwelling unit sizes that most tiny homes do not meet. Tiny homes on wheels are classified as recreational vehicles and cannot serve as primary residences. Tiny homes on permanent foundations must meet all building code requirements for conventional dwellings.
Evanston Tiny Home Zoning Restrictions
Heavy RestrictionsLooking for Cook County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Evanston city rules.
Accessory Structures in Cook County →