The Mechanicsburg Borough Planning Commission will meet on Monday, October 21st to review a conceptual plan for development of the Hess Farm tract on South Market Street.  The conceptual plan, to be presented by Landmark Homes, is a Traditional Neighborhood Development.  The conceptual plan proposes commercial use on the South Market Street frontage of the tract.  The plan consists of a variety of housing styles, including rental units, single family dwelling units and an age restricted component.  The meeting will be held in Borough Council chambers commencing at 6:30 p.m.