139-221 - Permitted obstructions in required yards LAST AMENDED 12/6/2023 In all #Commercial#, #Manufacturing#, and #Mixed Use Districts#, the permitted obstruction provisions of paragraph (b)(2) of Section 33-23 and paragraph (b)(1) of Section 43-23 shall be modified such that, in any #rear yard#, any #building# or portion of a #building# used for any permitted non-#residential use# (except any #building# portion containing rooms used for living or sleeping purposes) shall be a permitted obstruction, provided that the height of such #building#, or portion thereof, shall not exceed two #stories#, excluding #basements#, nor in any event 30 feet above #curb level#. Any allowance for other permitted obstructions above a #building# in a #rear yard# or #rear yard equivalent# set forth in Section 33-23 or 44-23, as applicable, shall be permitted above such modified height limitations.