Fayetteville permits Accessory Dwelling Units under the Unified Development Ordinance (UDO) Chapter 30 of the Code of Ordinances. ADUs are allowed as accessory uses in most residential zoning districts (SF-6, SF-10, SF-15, MR-5) subject to design and dimensional standards. Permits route through the Development Services Department. North Carolina General Statute Chapter 160D governs municipal zoning; HB 488 (2023) reformed accessory structure permitting at the state building code level. NC has no statewide ADU mandate.
Fayetteville Code of Ordinances Chapter 30 (Unified Development Ordinance, adopted 2011 and amended subsequently) regulates Accessory Dwelling Units. ADUs are typically permitted as accessory uses in single-family (SF-6, SF-10, SF-15) and limited multi-family (MR-5) districts. Dimensional standards include: maximum size generally limited to 800 square feet or a percentage of the principal dwelling; height matched to or shorter than the primary structure; setbacks per the underlying district (typically 10 feet rear, 5 feet side for accessory structures in SF districts). One ADU per single-family lot. ADUs may be detached, attached, or interior conversions. Required permits issued by Development Services (433 Hay Street): building, electrical (NC licensed electrical contractor under NCGS 87-43), plumbing (NCGS 87-21 licensed plumber), and mechanical. Permits are filed through the City's online permitting portal. NC HB 488 (2023) amended the NC State Building Code to exempt accessory structures of 12 feet or less in mean roof height from full building code review when used for storage and not for habitation; ADUs intended for occupancy do not benefit from HB 488 simplifications and remain subject to full NC Residential Code (NCRC). Historic Resources Commission (HRC) review under UDO 30-5.E applies in the Haymount, Downtown, and Liberty Point Local Historic Districts. NCGS 160D-911 governs nonconforming uses, and 160D-705 governs special use permit procedures.
Unpermitted ADU construction violates UDO Chapter 30 with civil penalties up to $500 per day per violation under UDO 30-5.J (Enforcement). Development Services may issue stop-work orders and remediation orders. The City may seek injunctive relief in Cumberland County Superior Court. Liens may attach to the property for unpaid fines and corrective work under NCGS 160D-404.
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