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23-46 Minimum Required Side Yards
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R1 R2 R3 R4 R5 R6 R7 R8 R9 R10
In all districts, as indicated, side yards shall be provided on any zoning lot as specified in this Section, except as otherwise provided in the following Sections:
Section 23-48 (Special Provisions for Existing Narrow Zoning Lots)
Section 23-49 (Special Provisions for Side Lot Line Walls)
Section 23-51 (Special Provisions for Yards Adjacent to R1 Through R5 Districts)
Section 23-48 (Special Provisions for Existing Narrow Zoning Lots)
Section 23-49 (Special Provisions for Side Lot Line Walls)
Section 23-51 (Special Provisions for Yards Adjacent to R1 Through R5 Districts)
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10
- Detached and zero lot line buildings
In all districts, as indicated, for zoning lots containing only single-family detached residences or, where permitted, for two-family detached residences or single- or two-family residences in zero lot line buildings, or any combination thereof, side yards shall be provided as set forth in the table in this paragraph, except that on corner lots in R1, R2, R3, R4 and R5 Districts, one side yard shall be at least 20 feet in width:MINIMUM REQUIRED SIDE YARDSNumber RequiredRequired Total Width (in feet)Required Minimum Width of any Side Yard (in feet)District23515R1-12208R1-22135R2 R2A R3-1 R3-2 R4-R10210*2*R2X R3X R4A R5A18*0*R3A R4-1 R4B R5B R5D* Additional regulations apply pursuant to paragraph (c) of this SectionR3-1 R3-2 R4 R4-1 R4B R5 - Semi-detached buildings
In the districts indicated, for zoning lots containing only single- or two-family semi-detached residences, a side yard shall be provided as set forth in the table in this paragraph, except that on corner lots, one side yard shall be at least 20 feet in width:MINIMUM REQUIRED SIDE YARDFeetDistrict8R3-1 R3-2 R4 R54*R4-1 R4B R5B R5D* Additional regulations apply pursuant to paragraph (c) of this Section - Additional regulations
- Eight-foot open area required between buildings containing residences
An open area with a minimum total width of eight feet is required between buildings containing residences on adjacent zoning lots. Such open area must be parallel to the side lot line and may be located on either one or both sides of such common side lot line. (See Figure A)
Figure A(23-461c1) - When side yards total more than 13 feet
However, where such open area requirements result in side yards totaling more than 13 feet on the subject zoning lot, the width of such side yards may be reduced to not less than five feet, provided that the total width of both side yards on the subject zoning lot is at least 13 feet. (See Figure B)
Figure B(23-461c2) - Permitted obstructions in open areas between buildings
Only air conditioning condensation units, chimneys, downspouts, eaves, exterior wall thickness, gutters, open accessory off-street parking spaces, ramps for access by people with disabilities, and steps as set forth in paragraph (a) of Section 23-44 shall be permitted obstructions in open areas required pursuant to paragraphs (c)(1) and (c)(2) of this Section, provided such obstructions, not including accessory off-street parking spaces, may not reduce the minimum width of the open area by more than three feet. - Minimum side yard requirements for zoning lots adjacent to certain side yards
A side yard at least five feet wide shall be provided on any zoning lot along the common side lot line of any adjacent zoning lot with an existing detached residence whose side yards total at least 13 feet in width, with both side yards on such adjacent zoning lot at least five feet in width, or with an existing semi-detached residence with a side yard at least eight feet in width. (See Figure C)
Figure C
(23-461c4)
R3-2 R4 R5 R6 R7 R8 R9 R10
In the districts indicated, except as set forth in Section 23-461 (Side yards for single- or two-family residences) or Section 23-49 (Special Provisions for Side Lot Line Walls), side yards shall be provided for all zoning lots with buildings containing residences as provided in this Section:
R3-2 R4 R5
- In the districts indicated, except R4B, R5B or R5D Districts, two side yards, each with a minimum required width of eight feet, shall be provided. However, if the aggregate width of street walls of a residential building is more than 80 feet or, for abutting buildings if the combined aggregate width of street walls of all such abutting buildings on a zoning lot is more than 80 feet, then two side yards shall be provided, each equal to not less than 10 percent of such aggregate width of street walls. For zoning lots where no such buildings exceed a height of two stories and a basement, side yards need not exceed 15 feet in width.
However, on all corner lots in lower density growth management areas, one side yard shall be at least 20 feet in width.R4B R5B R5D - In the districts indicated, no side yards are required; however, where a building containing residences on an adjacent zoning lot has a side yard, an open area with a minimum width of eight feet and parallel to the side lot line is required along the common side lot line between such buildings. Obstructions permitted pursuant to paragraph (c)(3) of Section 23-461 shall be permitted in such open areas.R6 R7 R8 R9 R10
- In the districts indicated, no side yards are required. However, if any open area extending along a side lot line is provided at any level, it shall have a minimum width of eight feet, measured perpendicular to the side lot line, and extend along the entire side lot line, except where a court is provided in accordance with the applicable provisions of Section 23-60 (HEIGHT AND SETBACK REGULATIONS). Obstructions permitted pursuant to paragraph (a) of Section 23-44 (Permitted Obstructions in Required Yards or Rear Yard Equivalents) shall be permitted in such open areas.
R3-2 R4 R5
In the districts indicated, except R4B, R5B or R5D Districts, the aggregate width of street walls of a building containing residences or, for abutting buildings the combined aggregate width of street walls of all such abutting buildings on a zoning lot, shall not exceed the width set forth in the following table:
MAXIMUM AGGREGATE WIDTH OF STREET WALLS
District | Feet |
R3-2 | 125 |
R4 R5 | 185 |
However, the City Planning Commission may authorize, in R4 and R5 Districts, aggregate width of street walls in excess of 185 feet, provided the Commission finds that:
- the street wall is adequately articulated by such design features as variable setbacks, stoops, bay windows or changes in the heights of the buildings; and
- the development or enlargement will not be incompatible with buildings on the surrounding blocks.
The Commission may prescribe appropriate conditions and safeguards to minimize adverse effects on the character of the surrounding area.
R1 R2 R3 R4 R5
- In the districts indicated, if a building used for permitted non-residential uses has an aggregate width of street walls equal to 60 feet or less, two side yards shall be provided, each with a minimum required width of eight feet. If such building has an aggregate width of street walls equal to more than 60 feet, two side yards shall be provided, each equal to not less than 15 percent of the aggregate width of street walls.R6 R7 R8 R9 R10
- In the districts indicated, no side yards are required. However, if any open area extending along a side lot line is provided at any level, it shall be at least eight feet wide.
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