Lots abutting or immediately across an alley from an R-1 or R-1E residential zone which contain five or more dwelling units or any nonresidential use shall have a six-foot solid or interlap fence on the side or sides abutting or across an alley from residential zones. The fence shall be well built, finished and maintained. (Ord. 21-002 § 36, 2021; Ord. 05-027 § 3, 2005; Ord. 626 § 7, 2004)