Today it is interpreted and furnished to reflect the three generations that lived there. Marietta is also the headquarters of the Prince George's County Historical Society and location of the Society's F.S. DeMarr Memorial Library of County History. Light refreshments will be served following the tour. House tours at regular fees. Montpelier Mansion Rte.
Weekday tours for groups by appointment.
It was built ca. 1783 by Major Thomas Snowden shortly after his marriage to Ann Ridgely. Montpelier hosted many famous individuals including George Washington and Abigail Adams. Montpelier is fully restored and furnished as it might have been in 1830. The mansion is available for rentals for weddings, receptions, and meetings.