17.208.640   R-4A zone-Setbacks.
   A.   Front-yard and street side-yard setback.
      1.   The minimum front-yard and street side-yard setback for single-unit and two-unit dwellings is 3 feet.
      2.   The minimum front and street side-yard setback for multi-unit dwellings is five feet.
      3.   The maximum setback is 25 feet.
      4.   Structures such as storefronts and arcades, and covered and uncovered porches, decks, and patios may extend into the minimum front and street side setback area up to a maximum height of 15 feet, provided such structures are designed to accommodate the street tree canopy.
   B.   Interior side-yard setback.
      1.   Unless paragraph 2 of this subsection applies, there is no minimum interior side-yard setback.
      2.   If the interior side-yard lot line abuts a lot in the R-1 or R-1B zone or a lot containing a detached single-unit dwelling, the minimum interior side-yard setback is five feet.
   C.   Rear-yard setback.
      1.   Unless paragraph 2 of this subsection applies, the minimum rear-yard setback is 15 feet.
      2.   If the rear-yard lot line abuts a public alley, the rear-yard setback is five feet.
   D.   Tower.
      1.   Definitions. For the purposes of this article,
         a.   "Tower" means that portion of a building located above the building base.
         b.   "Building base" means the first 65 feet of building height.
      2.   Front-yard and street side-yard tower setback. The front-yard and street side-yard setback for a tower is the same as for the main wall of the building base.
      3.   Rear-yard tower setback. The minimum rear-yard tower setback is 40 feet from the rear lot line. If the rear lot line is adjacent to an alley, the setback is measured to the centerline of the alley.
      4.   Interior side-yard tower setback. The minimum interior side-yard tower setback is 40 feet.
      5.   Tower separation. The minimum setback between towers is 80 feet.
   E.   Levee setback. A minimum 20-foot setback from the landside toe of any flood control levee is required for development less than five acres in size. A minimum 50-foot setback is required from the landside
toe of any flood control levee for development five acres or greater in size. No primary or accessory structures may encroach into the levee setback. (Ord. 2013-0020 § 1; Ord. 2013-0007 § 1)