ADU rules in Winston-Salem, NC — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Winston-Salem allows accessory dwelling units (ADUs) in specific residential zoning districts under its Unified Development Ordinances. ADUs must meet size, setback, and owner-occupancy standards, and short-term rental use is separately regulated.
Winston-Salem UDO permits one accessory dwelling unit on certain single-family lots as either a detached structure or an internal conversion (basement apartment, above-garage unit). Typical standards: ADU floor area capped at a percentage of the principal dwelling (commonly 50%) or an absolute cap (often 800-1,000 sq ft), height not exceeding the principal dwelling, minimum side and rear setbacks matching the base zoning district, and additional off-street parking for the ADU. Owner occupancy of either the main dwelling or the ADU is generally required. ADUs must connect to City-County Utilities water and sewer or receive Forsyth County Environmental Health septic approval. Short-term rental use of an ADU is governed by the city STR registration program. All ADUs require a building permit and zoning verification. Impact and water/sewer fees apply.
Building an ADU without permits: stop-work order, double permit fees, potential removal. Operating a non-compliant STR in an ADU: civil penalty and registration revocation.
Winston-Salem, NC
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See how Winston-Salem's adu rules rules stack up against other locations.
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