Archaeologists begin excavating slave quarters 1996 Masonry restoration of the exterior walls and the interior cube room walls is completed. Reconstruction of the terras roof with skylight is completed including entablature, balustrade, gutters, Chinese railing, pediments and tin-coated shingles. 1997 Roof completed. Exterior restoration completed. The restoration earns the coveted Honor Award from the National Trust for Historic Preservation.
Archaeologists begin two-year investigation of south lawn landscape.
1999 Interior structural stabilization completed. Archaeologists wrap up main south lawn excavation and continue landscape investigation in other areas near the house. 2000 Wing reconstruction begins. Project is expected to take four years to complete. Heating and ventilation system installed .