Accessory Apartment: A pre-existing non-conforming dwelling unit created in a single-
Accessory Apartment: A pre-existing non-conforming dwelling unit created in a single- family dwelling by special permit granted by the zoning board of appeals and recorded at the Norfolk County registry of deeds prior to the adoption of An Act Relative to the Affordable Homes Act by the 193rd Massachusetts General court on August 6, 2024.