Accessory Structures in Lehi, UT (2026)
4 verified accessory structures rules for Lehi, Utah, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Lehi permits ADUs in single-family homes on lots 6,000+ sq ft (22,000+ for detached). Owner occupancy is required via recorded declaration. ADUs cannot be used as short-term rentals. One dedicated off-street parking space required.
Lehi ADU (Accessory Dwelling Unit) Rules
Some RestrictionsShed Rules
Sheds under 200 sq ft in Lehi require only a zoning compliance permit (to verify setbacks). Sheds 200+ sq ft require a building permit. Structures with utilities always require a building permit. Contact Building at (385) 201-1035.
Lehi Shed & Accessory Structure Rules
Few RestrictionsGarage Conversions
Garage conversions to living space in Lehi require a building permit and must meet residential building code requirements. Converting to an ADU requires compliance with ADU standards including owner occupancy, lot size, and parking requirements.
Lehi Garage Conversion Rules
Some RestrictionsCarport Rules
Lehi regulates carports as accessory buildings/structures under Chapter 26 of the Lehi City Development Code. Accessory buildings less than 16 feet in height may be located within 18 inches of the property line; buildings 16 to 24 feet have a 5-foot side yard setback; structures taller than 24 feet require an 8-foot side yard setback. No accessory building may sit closer than 12 feet to a house on a neighboring lot, and no accessory building may exceed the height of the primary residence.
Carport Rules in Lehi
Some RestrictionsLooking for Utah County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Lehi city rules.
Accessory Structures in Utah County →