Dumbarton House historic house museum

Dumbarton House is an early 19th-century Federal‑style house in Georgetown that now operates as a historic house museum at this address. The property is owned and interpreted by the National Society of The Colonial Dames of America in the District of Columbia and preserves period rooms and decorative‑arts collections. The museum interprets domestic life and social history of the early Republic and maintains a research library. Dumbarton House hosts guided tours, exhibitions, and public programs related to Georgetown and early American history.