35-53 Modification of Rear Yard Requirements
C1 C2 C3 C4 C5 C6
In the districts indicated, for a residential portion of a mixed building, the required residential rear yard shall be provided at the floor level of the lowest story used for dwelling units or rooming units, where any window of such dwelling units or rooming units faces onto such rear yard. If the level of such yard is at or higher than the first story, decks, parapet walls, roof thickness, solar energy systems up to four feet high, vegetated roofs, and weirs, shall be permitted, pursuant to Section 23-62 (Permitted Obstructions).
In C4-4L Districts, for through lots that have a maximum depth of 180 feet or less and are bounded by a street containing an elevated rail line, no residential rear yard equivalent shall be required.
35-532 Modification of Permitted Obstructions in Required Yards or Rear Yard Equivalents for Certain Affordable Independent Residences for Seniors
A portion of a building used for residential uses other than dwelling units in Quality Housing buildings containing affordable independent residences for seniors on zoning lots meeting the criteria set forth in paragraph (a)(4) of Section 23-664 (Modified height and setback regulations for certain Inclusionary Housing buildings or affordable independent residences for seniors) shall be a permitted obstruction within a rear yard or rear yard equivalent on zoning lots in C1 or C2 Districts mapped within R6 through R10 Districts, other than R6B, R7B or R8B Districts, or in Commercial Districts with a residential equivalent of an R6 through R10 District, other than R6B, R7B or R8B Districts, provided that the height of such building portion does not exceed one story, or 15 feet above the adjoining grade, whichever is less, and provided that such space shall be accessible to all residents of the building.