NC H627

Local governments must allow at least one accessory dwelling unit (ADU) per single-family detached dwelling in residential zones, with ADUs required to conform to the NC Residential Code for One- and Two-Family Dwellings

Local governments cannot prohibit long-term rentals of ADUs, require conditional zoning, impose parking requirements, prohibit utility connections, charge excess fees, or set maximum ADU size below 800 square feet

Exemptions apply to properties in historic preservation districts, National Historic Landmarks, properties with private covenants restricting dwelling types, and ADUs not connected to water/sewer systems

Local governments must adopt implementing regulations by January 1, 2027; failure to do so results in ADUs being allowed without any limitations

Effective October 1, 2025, applying to permit applications submitted on or after that date