NC S495

Local governments must allow at least one accessory dwelling unit (ADU) on any single-family residential lot, with ADUs required to be smaller than the primary dwelling and minimum 800 square feet

Local governments cannot impose parking requirements, prohibit long-term rentals of either dwelling, require conditional zoning, or charge fees exceeding those for single-family homes

Setback requirements limited to 10 feet or the zone's standard minimum (whichever is less), and localities may require ADUs be placed to the side or rear of the main house

Exemptions apply to properties in historic preservation districts, National Historic Landmarks, ADUs not connected to water/sewer, and private covenants remain enforceable

Effective October 1, 2025 for permit applications; local governments must adopt implementing regulations by January 1, 2027 or ADUs become allowed without any limitations