“Residential garage or carport” means a building or a portion of a building principally used for vehicular equipment such as automobiles, boats, etc., in which only motor vehicles used by the tenants of the building or buildings on the premises are stored or kept. (Ord. 6245 § 3, 2009; Ord. 4304 § 1(1), 1988; Ord. 4229 § 2, 1987.)