Accessory Structures in Chapel Hill, NC (2026)
3 verified accessory structures rules for Chapel Hill, North Carolina, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Chapel Hill lets a single-family lot add one accessory apartment, attached or detached, capped at 1,000 square feet unless the Planning Director grants an exception, and limited to 29 feet in height for a detached unit, under Land Use Management Ordinance Sec. 6.19.1. Only one accessory apartment is allowed per zoning lot.
Chapel Hill Accessory Apartment Size and Height Limits
Some RestrictionsChapel Hill Land Use Management Ordinance § 6.19.1
6.19.1 Single-Family Dwelling Unit with Accessory Apartment. The following standards shall apply to the development of accessory apartments:(a)An accessory apartment shall be located on the same zoning lot as the single-family dwelling to which it is an accessory use. A detached accessory apartment may be located on a sublot.(b)Size: An accessory apartment shall have a floor area limit of:(1)No...
Shed & Carport Rules
Building a shed, garage, or other accessory structure in Chapel Hill generally requires a zoning compliance permit under Land Use Management Ordinance Section 4.9.1, though the town manager may waive that permit for smaller residential projects meeting listed size and setback thresholds.
Chapel Hill Shed And Accessory Structure Permits
Some RestrictionsChapel Hill Land Use Management Ordinance § 4.9.1
(a)Except as otherwise specifically provided in this chapter, it shall be unlawful ... to begin any ... construction, moving, alteration, or renovation, except for ordinary repairs or maintenance, of any building or other structure, including accessory structures and signs, until the town manager has issued for such action a zoning compliance permit, certifying that such development complies wi...
Tiny Homes
Chapel Hill allows a detached 'cottage' dwelling on a single-family lot, capped at 1,500 square feet of floor area and 29 feet in height, on a lot at least 2,700 square feet larger than the district's minimum, under Land Use Management Ordinance Sec. 6.19.2. Only one cottage is permitted per zoning lot.
Chapel Hill Detached Cottage Size and Height Limits
Some RestrictionsChapel Hill Land Use Management Ordinance § 6.19.2
6.19.2 Single-Family Dwelling Unit with Cottage. The following dimensional standards shall apply to the development of single-family dwelling unit with cottage: Lot Dimensions Minimum Lot Size Minimum lot size required by the zoning district + 2,700 square feet Cottage Dimensions Maximum Footprint N/A Maximum Floor Area 1,500 square feet Maximum Height 29 feet Building Separation from single-fa...
Looking for Orange County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Chapel Hill city rules.
Accessory Structures in Orange County →