Based on the 1798 Tax assessment of the Elkridge Hundred, the original manor house started as a one-story frame building 24 by 18 foot in size.

Portions of the estate once included the old Annapolis Road which served the property until the construction of Centennial Lane to connect Clarksville to Ellicott City in 1876.

[3] Rezin and his brother Matthias were active in the colonial revolution with notable participation in the burning of the Peggy Stewart.

[8] Hammond's heirs did not fully honor his will's provision for manumission,[9] and it would take some of his slaves many years before they could successfully argue for their freedom.

[14] The manor house was renovated with the great kitchen replaced by a "Stirrup Room" where meetings of the Howard County Hunt Club took place.

[15] The house was sold in 1941 to Mrs. Anthony J. Drexel Biddle, Jr. for the use of Prince Alexandre Hohenlohoe of Poland and his wife, Peggy Schulze during World War II.