“Accessory apartment” means a residential unit of up to 600 square feet with a functional kitchen, bath, and outside entrance attached to or on the same parcel as a single-family residence in a residential zone. Accessory apartments shall be under the same ownership as the primary residential unit with the owner living on-site in either unit. Accessory apartments shall not be condominiumized or otherwise sold separately. (Ord. 1046 § 1, 2006; Ord. 629 § 1, 1992).