The George Washington Historic Site  was the headquarters of General George Washington on four separate occasions during the American Revolution. It was also used for the trial of Major Andre for treason.

It is today the oldest surviving structure in Rockland County, NY and is an outstanding example of Hudson Valley Colonial Dutch architecture. The site has undergone extensive upgrades and restoration.

Built in 1700 by Daniel DeClark, a Hollander who emigrated to New York about 1676, one can see the black glazed bricks which mark the date of construction across the front of the building. The Carriage House and Museum in Tappan, NY., together with the surrounding grounds, comprise the George Washington National Historic Site. The property was acquired by the Grand Lodge of New York in 1932.

Named after the family that lived there, the DeWint House has a fully functioning replica kitchen completed in 1996, as George Washington would have known it while he was a guest in the 1780’s. The "Washington Room" at the DeWint House in Tappan is a National Masonic Historic Site.

The DeWint House is a wonderful historic place to visit for Masons and non-Masons alike and is preserved by the Masons of New York for our future. Both the house and grounds are open to the public.