126-133 - Enclosure regulations in M2-1 Districts near Residence Districts LAST AMENDED 7/29/2009 Within 300 feet of a #Residence District# boundary, all #uses#, except storage of materials or products, shall be located within #completely enclosed buildings#. However, #commercial# #uses# may be located within #buildings# which are #completely enclosed# except for store fronts or store windows which may be opened to serve customers outside the #building#. Recreational uses permitted pursuant to Section 126-11 (Recreational Uses) shall be permitted as open or enclosed #uses#.