Except as modified by the provisions of this Section, accessory off-street parking shall be provided as set forth in the applicable underlying district regulations.
All open accessory off-street group parking facilities shall be screened from dwelling units, adjacent zoning lots and streets in accordance with paragraph (a) of Section 25-66.
Off-site accessory parking spaces may be unenclosed, provided that the zoning lot on which such spaces are located does not contain a residential use.
On-site accessory off-street parking shall not be permitted between the street line and the street wall of a building or its prolongation.
However, on through lots measuring less than 180 feet in depth from street to street, accessory off-street parking may be located between the street line and any street wall located beyond 50 feet of such street line.