Accessory Structures in Charlotte, NC (2026)
8 verified accessory structures rules for Charlotte, North Carolina, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Charlotte permits one accessory dwelling unit (ADU) per lot containing a single-family or qualifying duplex use, regulated by the Charlotte Unified Development Ordinance (UDO). An ADU within a detached accessory structure may have a floor area no greater than 50% of the principal dwelling's floor area, and in no case exceed 1,000 heated square feet. The ADU and the principal dwelling must be under the same ownership.
ADU Rules in Charlotte
Some RestrictionsADU Permits
Charlotte's Unified Development Ordinance (UDO), effective June 1, 2023, permits accessory dwelling units by right in all residential zoning districts under Section 7.103. ADUs are limited to 1,000 sq ft detached or 800 sq ft attached. Permits are issued by Mecklenburg County Code Enforcement (LUESA) on the city's behalf. Building, electrical, plumbing, and mechanical permits are separate, per NC General Statute 160D-1110.
Charlotte ADU Permits (UDO Sec. 7.103, eff. June 1, 2023)
Some RestrictionsADU Impact Fees
Charlotte does not impose a general residential impact fee on ADUs. North Carolina General Statutes do not broadly authorize impact fees - local governments may charge them only when specifically authorized. Charlotte ADU costs include standard building, electrical, plumbing, and mechanical permit fees plus Charlotte Water tap and capacity fees if a new connection is required.
Charlotte ADU Impact Fees (No General Impact Fee)
Few RestrictionsADU Owner Occupancy
Charlotte's 2023 Unified Development Ordinance does not require the property owner to live on-site to operate an ADU. Both the primary dwelling and the ADU may be rented simultaneously. The ADU and primary dwelling must remain under common ownership (UDO Sec. 7.103), but no occupancy by the owner is required. No deed restriction is filed at permit issuance.
Charlotte ADU Owner-Occupancy (Not Required)
Few RestrictionsADU Rental Restrictions
Charlotte permits long-term ADU rentals without a city license. Short-term rentals (under 30 days) are limited by Charlotte UDO Sec. 9.5 (Lodging) and the Charlotte STR registration process. North Carolina's Schroeder v. City of Wilmington decision (2019) preempts cities from outright banning short-term rentals. Mecklenburg County collects a 6% room occupancy tax; NC sales tax of 4.75% (plus 2.5% local option) applies to stays under 90 days.
Charlotte ADU Rental Restrictions (NC Preemption on STR Bans)
Some RestrictionsShed Rules
Charlotte allows residential storage sheds and similar detached accessory structures under Article 17 of the Unified Development Ordinance. Sheds must sit on the same lot as the principal dwelling, generally maintain a minimum 3-foot setback from side and rear lot lines, and the cumulative square footage of all accessory structures on a residential lot may not exceed the heated square footage of the first floor of the principal dwelling.
Shed Rules in Charlotte
Few RestrictionsGarage Conversions
Charlotte allows conversion of an existing detached or attached garage into habitable space under the Unified Development Ordinance. If the converted space contains independent cooking and sanitary facilities, it is treated as an accessory dwelling unit under UDO Article 17 and must meet ADU standards (one ADU per lot, attached cap of 800 sq ft or 35% of principal, detached cap of 1,000 sq ft or 50%). Building, electrical, plumbing, and mechanical permits are required, and converted habitable space must satisfy the North Carolina Residential Code.
Garage Conversion Rules in Charlotte
Some RestrictionsCarport Rules
Carports in Charlotte are regulated as accessory structures under the UDO. They require a building permit if over 200 square feet or attached to the dwelling. Side and rear yard placements are preferred; front-yard carports face restrictions in most residential districts. Height is generally capped at 15-20 feet and material must be compatible with the primary dwelling.
Carport Rules in Charlotte
Some RestrictionsLooking for Mecklenburg County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Charlotte city rules.
Accessory Structures in Mecklenburg County →