Vanderbilt Mansion is open seven days from 9:00am to 5:00pm by Guided Tour only. The Mansion is closed Thanksgiving, Christmas, and New Years Day.
January through March the tours of the Vanderbilt Mansion are limited, please call ahead, 845-229-7770.
The last tour of the day is at 4:00pm.
Grounds open 7 days year-round from sunrise to sunset.