The duplex quarter has undergone a series of preservation and archaeological testing since the early 1970s. In 1973, before Historic St. Mary’s City had acquired the property, they aided the landowner in the restoration of the quarter in order to save it from being demolished. Extensive efforts were put into restoring the building to its perceived state from the slave era. In 1992, excavations were conducted before the duplex quarter was relocated along with the manor home and outbuildings. Excavations units were placed in order to ensure that the beams placed under the quarter would not damage any cultural materials. In 1998, the area occupied by the quarter was part of the project area for the excavations of the single quarter, and a random sample of the area provides additional data relating to this building.
Moving the quarter resulted in some modifications to the architecture of the structure. Because many of the bricks in the chimney were reused 17th-bricks, they were to fragile to transfer and re-lay. Instead, the chimney was meticulously recorded and dismantled. However, the original mantels were reused. Since the moving of the quarter, it has acted as a storage unit for the Brome-Howard Inn. In 2012, Historic St. Mary’s City received funding from the Maryland Commission on African American History and Culture to turn the duplex into an exhibit examining the transition from slavery to freedom at St. Mary’s City. This will include much needed preservation work on the interior and exterior of the structure, interpretive signage, and furnishings.