Explore "The" Top Historic Venue for Events

Exclusive Venue for Themed Lounges, Private Parties, and More

Ranked as one of the top five historic venues in the world by Smithsonian and the premier choice for meetings and events according to Event MB, our venue is ideal for themed lounges, workshops, product launch zones, interactive technology hubs, private parties, holiday events, intimate dining, weddings, and mitzvahs. Featured on the Travel Channel's "Mega Mansions" and in National Geographic Traveler (cover story), we offer a unique and private setting for CEOs, celebrities, and politicians, with over 100 rooms and 80+ secret doors.

Luxurious and Private Event Spaces for Corporate Events, Weddings, and Celebrations

Our opulent rooms and suites are adorned with fine art, antiques, and global furnishings, making it perfect for executive VIP lodging and receptions up to 650 guests. Our complimentary event planners ensure a spectacular experience with attention to security and last-minute details. Facilities include conference rooms, meeting galleries, ballrooms, and various unique spaces, catering to dinners for up to 185 guests in a single room.

Unique Museum Rental in Washington, D.C. for Intimate Dinners and Large Gatherings

In the heart of Washington, D.C., near The White House and Georgetown, the O Museum in The Mansion is an extraordinary venue for intimate dinners and large gatherings. It blends history with modern science, art, and technology, showcasing a rich collection of antiques, art, music memorabilia, and rare items.

Facility Pricing: Corporate & Private Events

When you rent the Museum, any profits go to support our arts and social justice programs.

Museum rental

(rental fees are not a donation & are not tax deductible.)

  • up to 300 people: $10,000, Saturdays $15,000 (5,000 sq. ft. for 8hrs.)
  • Gardens: $10,000 (not part of exclusive) (5,000 sq. ft. for 8hrs.)
  • Entire facility: $30,000 (up to 600 people) (38,000 sq. ft. for 18hrs.)

Other requirements

  • Full amount of facility rental fee is required to hold your date (fee is non-refundable, non-transferable)
  • If you are bringing in your own equipment (tables, chairs etc.) you are required to set up,
    strike, remove your items, and clean facility the same day
  • If you are renting our equipment we handle set up, strike, and clean up
  • Caterers and/or event planners must be approved
  • Tax exempt organizations must provide proof of DC tax exemption
  • Liquor must be purchased from us

Required museum staff per event

  • Two museum supervisors ($100/hr ea.) minimum 8 hours
  • One kitchen supervisor ($100/hr.) minimum 8 hours
  • Bartenders one for every 75 guests minimum ($400 each)
  • Valet supervisor ($75/hr.) minimum 8 hours (required if having valet service)

Other potential charges

20% set-up/strike fee, tax where applicable, gratuity, commercial kitchen rental (if required), tour of our immersive exhibits and secret doors. Load in, load out is additional if over alotted time frame.