23-331 - Basic side yard requirements in R1 through R5 Districts

LAST AMENDED
12/5/2024


R1 R2 R3 R4 R5

(a)   #Detached# buildings#

      In the districts indicated, for #zoning lots# containing only #single-# or #two-family# #detached# #residences#, two #side
      yards#, shall be provided. In R1 Districts the minimum width of each #side yard# shall be eight feet, and in all other
      districts, the minimum width shall be five feet.

R3 R4 R5

(b)   #Semi-detached# #buildings# and #zero lot line buildings#

      In the districts indicated, for #zoning lots# containing only #single-# or #two-family# #semi-detached# or #zero lot line#
      #residences#, a #side yard# with a minimum width of five feet shall be provided.

      In addition, where an adjoining #zoning lot# contains a #single-# or #two-family# #detached# #semi-detached#, or #zero
      lot line# #residence#, an open area with a minimum total width of eight feet shall be required between the #building# on
      the subject #zoning lot# and the #residence# on the adjacent #zoning lot#. However, where both adjoining #zoning lots#
      contain a #single-# or #two-family# #detached# #semi-detached#, or #zero lot line# #residence#, the total open area need
      not exceed 13 feet on the subject #zoning lot#.

R3-2 R4 R4B R5 R5B R5D

(c)   Other #residences#

      In the districts indicated, for #zoning lots# containing #residences# that are not subject to paragraphs (a) or (b) of this
      Section, no #side yards# shall be required. However, if any open area extending along a #side lot line# is provided at any
      level, it shall have a minimum width of five feet, measured perpendicular to the #side lot line#. Furthermore, where a
      #zoning lot# adjoins a #zoning lot# containing exclusively #single-# or #two-family# #residences#, and where a #side
      yard# with a minimum width of three feet or more is provided along the common #side lot line#, an open area with a
      minimum total width of eight feet shall be required between the #building# on the subject #zoning lot# and the
      #residence# on the adjacent #zoning lot#.

      The allowances for permitted obstructions in any #yard# or #rear yard equivalent# set forth in Sections 23-311 and 23-
      312 shall be permitted in such open areas.

R1 R2 R3 R4 R5

(d)   Permitted obstructions in open areas between #buildings#
       Only #accessory# mechanical equipment limited in depth to 18 inches from an exterior wall, chimneys, downspouts,
       eaves, gutters, open #accessory# off-street parking spaces, #qualifying exterior wall thickness#, ramps for access by people
       with disabilities, and steps as set forth in the applicable provisions of Sections 23-311 and 23-312 shall be permitted
       obstructions in open areas between #buildings#, provided that such obstructions, not including #accessory# off-street
       parking spaces, #qualifying exterior wall thickness# or #accessory# mechanical equipment, may not reduce the minimum
       width of the open area by more than three feet.