Sec. 9-4.2503.  Yards: General.
   (a)   Whenever two (2) or more main buildings, one of which is to be used for residential purposes, are constructed on a lot or parcel of land, there shall be a minimum distance of twenty (20') feet between such main buildings in lieu of any required yard.
   (b)   No yard area or other open space provided around any building for the purpose of complying with the provisions of this chapter shall be considered as providing a yard or open space for any other building.
   (c)   No yard or open space on adjoining property shall be considered as providing required yard or open space for another lot or parcel for the purpose of complying with the provisions of this chapter.
   (d)   Vehicles may be parked, but not stored, on a driveway or other City-approved parking area for a residential dwelling unit.  No vehicle may be parked within any front yard area as defined by this chapter except on a driveway as stated above.  No vehicle may be parked or stored within three (3) feet of any side property line or within twenty (20) feet of any rear property line.  Except as specifically provided elsewhere in this chapter, no required yard are or open space provided around any building shall be used for garages or other accessory buildings. For purposes of this subsection, “stored” shall mean the keeping and maintaining of a vehicle, as defined by the State Vehicle Code, continuously for a period of time in excess of thirty (30) days in the driveway or approved parking area without operating and moving said vehicle.
   (e)   Detached garages or other accessory buildings shall not be located within any required front yard.
   (f)   For the purpose of side yard requirements, the following dwellings shall be considered as one building occupying one lot provided such dwellings have common party walls:
   (1)   Two-family dwellings;
   (2)   Three-family dwellings;
   (3)   Four-family dwellings; and
   (4)   Row houses which are not more than two (2) rooms deep.
   (g)   In computing the depth of a rear yard for any building rearing upon an alley, one-half (1/2) the width of such alley may be considered as a portion of the required rear yard for the purposes of this chapter.
   (h)   For dwellings permitted above nonresidential structures, the front, side, and rear yard requirements for residential uses shall not be applicable provided all yard requirements for the zone in which such structure is located are complied with.
(§8160.2, T.O.O.C., as renumbered by §XIV, Ord. 173-NS, eff. November 5, 1970, as amended by §V, Ord. 236-NS, eff. November 4, 197 1, §§I and II, Ord. 636-NS, eff. July 14, 1977, and §5, Ord. 1220-NS, eff. October 11, 1994, as amended by § 3, Ord. 1449-NS, eff. November 1, 2005)