Parcels or lots which share a common boundary with properties in a residential or open space/ institutional district shall provide a fifteen foot strip for landscaping along said common boundary in accordance with LMC 16.80.030. (Ord. 1220 §33, 2004; Ord. 1125 §1, 2000; Ord. 618 §7, 1981; Ord. 583 §2.19(C)(2)(c), 1980).