25-211 Application of Requirements to Conversions and Certain Enlargements
(a) In the districts indicated, except for zoning lots in R4 Districts utilizing the special optional regulations of a predominately built-up area, wherever additional dwelling units are created by conversions or enlargements of residential buildings, there shall be one off-street parking space provided on the zoning lot for each such additional dwelling unit. Such off-street parking spaces shall be in addition to any existing off-street parking spaces on the zoning lot and shall not be located in any common easement driveways or within a front yard. The provisions of Section 25-27 (Waiver of Requirements for All Zoning Lots Where Access Would Be Forbidden) shall not apply to such zoning lots. Furthermore, such additional dwelling units shall be permitted only if the zoning lot complies with the provisions of Section 25-64 (Restrictions on Use of Open Space for Parking).
(b) In R5 Districts, and for zoning lots in R4 Districts utilizing the special optional regulations of a predominately built-up area, the requirements of Section 25-21 (General Provisions) shall not apply to additional dwelling units created by conversions of residential buildings on zoning lots with less than 5,000 square feet of lot area, provided such buildings were constructed prior to April 14, 2010, and not subsequently enlarged.
R1 R2 R3 R4 R5 R6 R7-1 R7A R7B R7D R7X
(c) In the districts indicated, the requirements of Section 25-21 (General Provisions) shall not apply to dwelling units created by the change of non-residential uses to residential uses on zoning lots with less than 5,000 square feet of lot area.
R7-2 R8 R9 R10
(d) In the districts indicated, no accessory off-street parking is required for the creation of additional dwelling units within existing buildings.