"Storage structure, accessory" ("Accessory storage structure") means a structure accessory to a single-family or duplex residence located on the same building site, used for storage of belongings, not designed for human habitation and not used for remunerative purposes. This term shall not include agricultural buildings. (Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Amended Ord. 06-057, Aug. 2, 2006, Eff date Aug. 14, 2006).