Accessory Structures in Orland Park, IL (2026)
5 verified accessory structures rules for Orland Park, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Orland Park's Land Development Code does not broadly permit accessory dwelling units (ADUs) in single-family residential districts. Multi-family and townhome zones permit multiple dwellings as the principal use. New ADUs in single-family neighborhoods are generally not permitted without a zoning variance. Unlike the City of Chicago, Orland Park has not adopted a broad ADU authorization ordinance.
Orland Park Accessory Dwelling Unit Rules
Heavy RestrictionsShed Rules
Orland Park requires a building permit for sheds larger than 100 square feet. Sheds up to 100 square feet generally do not require a permit but must still meet zoning setback and location rules. Sheds must be located in the rear yard, meet typical 3 to 5 foot side and rear setbacks, and may not exceed maximum accessory structure height under the Land Development Code.
Orland Park Shed Rules
Some RestrictionsGarage Conversions
Converting a garage into living space in Orland Park requires a building permit and must comply with zoning rules including minimum off-street parking requirements. Because single-family zoning requires a minimum number of off-street parking spaces and generally does not permit a second dwelling unit, full garage conversions are difficult to permit without providing replacement parking.
Orland Park Garage Conversion Rules
Heavy RestrictionsCarport Rules
Orland Park's Land Development Code treats carports as accessory structures subject to setback, height, and lot coverage rules. A building permit is required for construction. Attached carports must meet principal structure setbacks; detached carports follow accessory structure setbacks. Temporary fabric carports are generally not compliant and may be subject to property maintenance rules.
Orland Park Carport Rules
Some RestrictionsTiny Homes
Orland Park does not have a specific tiny home ordinance. Tiny homes must comply with the same zoning and building code requirements as any single-family dwelling, including minimum floor area requirements in the zoning code, full building code compliance, and connections to Village water and sewer. Tiny homes on wheels (park model RVs) are not permitted as permanent dwellings in residential zones.
Orland Park Tiny Home Rules
Heavy RestrictionsLooking for Cook County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Orland Park city rules.
Accessory Structures in Cook County →