About
O Museum in The Mansion is a unique cultural destination in the heart of Washington, D.C., offering a one-of-a-kind experience for visitors of all ages. As a premier museum, our institution is dedicated to showcasing a diverse range of art, history, and culture through interactive exhibits and engaging programs.
Located at 2020 O St NW, Washington, DC 20036, our historic mansion also serves as a stunning event venue, perfect for corporate events, galas, and social gatherings. With its elegant atmosphere and exceptional service, our wedding venue is a popular choice for couples looking for a romantic and unforgettable celebration.
In addition to our cultural and event spaces, O Museum in The Mansion is also a luxurious hotel, offering guests a comfortable and relaxing stay in the nation's capital. Whether you're visiting for business or pleasure, our unique blend of history, culture, and hospitality makes us the ideal destination for anyone looking for a truly memorable experience in Washington, D.C.
Identifies as women-owned 
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