The summer kitchen, smokehouse, corn crib and stable built about 1830 have been replaced by a parking lot.

[4] In 2003, Preservation Howard County appealed to the Columbia Association to restore the adjacent stone slave quarters building predating the 1789 Woodlawn house.

[7] The project was temporarily delayed due to lack of road access and requests for reduced setbacks.

The planning and zoning director cited the developer's efforts to restore and lease the 5000sf mansion for office space or a "condo opportunity" as a way to preserve the manor recently rezoned by the department.

[8][9] In August 2007, the Columbia Association purchased the slave quarters property and approved another $125,000 (~$176,998 in 2023) for restoration with the construction of the office project pending.