Accessory Structures in Troy, MI (2026)
1 verified accessory structures rules for Troy, Michigan, sourced directly from the municipal code and official government pages.
Verified from official government sources
Shed & Carport Rules
Troy caps detached sheds and accessory buildings at 450 square feet plus 2% of lot area, or the dwelling's ground-floor footprint (up to 600 square feet), whichever is greater. A permit is required once a shed tops 36 square feet or 4 feet tall.
Troy Shed and Accessory Building Rules
Some RestrictionsTroy, MI Chapter 39 Zoning Ordinance § 7.03.A.2, B.2
Permits shall be required for buildings greater than thirty-six (36) square feet in area and/or greater than four (4) feet in height... a. Detached accessory buildings shall not be erected in any yard, except a rear yard. b. Detached accessory buildings and detached accessory supplemental buildings shall occupy not more than twenty-five (25) percent of a required rear yard. c. The combined grou...
Looking for Oakland County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Troy city rules.
Accessory Structures in Oakland County →