Sat.-Sun. and holidays $15 (per private vehicle), Mon.-Fri. $10, Memorial Day-Labor Day; Sat.-Sun. $10, Apr. 15-day before Memorial Day and day after Labor Day-Sept. 30. Free rest of year.
Grounds open daily 8-dusk. Mansion tours depart Sat.-Sun. and holidays 10-2, Memorial Day-Labor Day. Last tour departs 30 minutes before closing.