St. Mary's Condominiums is a 2.6 acre property located 1.5 miles from interchange of Route 20 and Interstate 495, situated on the top of the hill in close proximity to Lake Williams and downtown Marlborough. The property consist of four buildings: School, Rectory, Church and Townhouses containing 10, 5, 10 and 11 units respectively, 36 units total. Each building offers its own architectural style and influences the unique appearance of this historic site. The project started in Fall 2007 and was completed in three phases. The first phase included School and Rectory buildings and was completed in 2008-2009. The second phase included Church building completed in 2009-2010 and Townhouses is the third phase completed in 2011.