Sleepy Hollow Chamber of Commerce 54 Main Street, Sleepy Hollow, NY 10591, 914-631-1705, Information on Sleepy Hollow and Tarrytown, New York

Village of Tarrytown 21 Wildey Street, Tarrytown, NY 10591, 914-631-1885, Provides information about local government, agencies, and events. 

The Historical Society, Inc. 1 Grove Street, Tarrytown, NY 10591, 914-631-8374, The Society is located in the 1848 home of Jacob Odell, the first president (mayor) of Tarrytown. The house is on the National Register of Historic Places and is in the Grove Street Historic District.