[3] Since the end of the 19th century, it has been moved within southern Franklin Township several times, and is now closer to Kingston than to Rocky Hill.

The house was added to the National Register of Historic Places on December 18, 1970, for its significance in military and social history.

[5] John Berrien was a surveyor and land agent from Long Island whose business brought him into the Millstone River valley in the 1730s.

Despite his apparent prosperity and social prominence, John Berrien drowned by suicide, jumping into the Millstone River in 1772, leaving his estate in the hands of his wife.

He was invited to the area by Congress, who were headquartered in Nassau Hall in Princeton while awaiting news of the signing of the Treaty of Paris to officially end the Revolutionary War.

He spent his time at Rockingham entertaining Congress and other local figures until word of the end of the War reached him on October 31.

Kate McFarlane and Josephine Swann helped create the Washington Headquarters Association of Rocky Hill, which raised the money to purchase the structure and move it away from the quarry.

It sits on a 27-acre (110,000 m2) lot on Kingston-Rocky Hill Road, adjacent to the Delaware and Raritan Canal, on the outskirts of Kingston.