The percentage of a lot covered by the footprint of structures including exterior stairs and landings, porches, carports, dock ramps, and any covered or roofed areas. Decks are included in lot coverage, except where decks are eighteen (18) inches or less in height above grade. Excluded from lot coverage are roof eaves (not to exceed two (2) feet) and landscaping features such as, but not limited to, open garden trellises and arbors, in-ground swimming pools and ponds, fences, walls used as fences, retaining walls, uncovered walkways, driveways, on-grade flatwork, floating docks, and steps less than eighteen (18) inches above grade. (Ord. 1030 § 2(12), 2018; Ord. 953 § 1(7), 2007; Ord. 929 § 9, 2004)