He later sold 10 acres (40,000 m2) at the south end of the property to another New York lawyer, William Smith, who built a large two-story house and named it "Rosa Villa".
[2] The first post office at Grassy Point was opened on July 30, 1834, with James De La Montanya as postmaster.
In June 1831, the steamboat General Jackson, owned by Jacob Vanderbilt, and plying between New York and Peekskill, blew up at Grassy Point.
[4] In the spring of 1845, John I. Wiles moved from Orange County to Grassy Point with his family, and opened a shop for the purpose of doing blacksmith or wheelwright work.
The number of vessels engaged in the transportation of brick from the county made marine railways and ship yards near Haverstraw a necessity.
In the autumn of 1883, George L. Wicks started a yard at Grassy Point where the depth of water was favorable, and put down a marine railway.
In the late 1800s and early 1900s brickyards extended along the Hudson River from the village of Haverstraw, (the "Brickmaking Capital of the World") to Grassy Point.
[9] In order to accommodate the barges and sloops that serviced the factories, a movable span was installed, so well balanced on its central gear that it could be turned by one man with nothing more than a wrench.