The Mansion on O Street

everything is possible. dare to be different.

Corporate Events & Dining

private parties, intimate dining & more

we set the standard for extraordinary events. with over 100 rooms and 70 secret doors we are the most unique venue in the world. we have been featured on the travel channel’s “mega mansions”, named a washingtonian magazine "hidden gem" and featured in national geographic traveler among others.

a haven for ceo's, rock stars, celebrities and politicians, we adhere to a strict privacy policy. our ever-changing spaces for dining, events, meetings and retreats include sun-filled private conference rooms, over 60 gibson guitars, galleries and event spaces large and small. we also have 23 uniquely themed hotel rooms & suites perfect for executive lodging. 

from private dining, to holiday parties, to receptions, our team of award winning chefs and complimentary event planners will create an extraordinary meal tailored to your budget, event parameters and dietary needs — including, kosher-style, ḥalāl, vegan and vegetarian cuisine.  from world class regional and international foods, to cigar rolling & scotch tasting, to grammy and academy award winning performances we have done it all. 

no request too large, no detail too small.

 
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 moo media
(mansion on o)

magnificent in every detail

mansion photos

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things to note

menus are seasonal and are subject to change. packages cannot be combined with other discounts or offers.

menus must be final 15 days prior to event date. for sit-down dinners that are not served restaurant style, client must provide tent cards with meal choice for each guest the day of event, or you will be charged for restaurant style service.

reviews

“The service is top-notch, the food is fabulous and the surroundings are something I've never seen in my life. The entire staff is friendly, warm and knowledgeable. It's almost as if they cannot do enough for you.”

— linda faberman, marriott international

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group lodging for special events

all guest rooms have private bathrooms, the latest in modern technology and complimentary wireless.

The Inaugural Big O • $25,000/night • sleeps 34 (17 bedrooms)
As seen on The Travel Channel's Mega Mansions on Netflix this 100 room residence has 70 secret doors, 19 bathrooms, 2 elevators, business center, game room, billiards room, amnesia room, extensive gardens, outdoor bbq and fountain from paris open all year long. continental breakfast included. private chef additional. pet friendly.


this residence has 4 bathrooms, whirlpool tub, elevator, a business center, exercise room, gardens, outdoor bbq and outdoor fountain from paris.

Rooms included in this package
  • Cloister
  • Fifth Dimension
  • Fireplace Suite
  • Honeymoon
  • Safari
  • St. Andrew’s


this residence has 4 bathrooms, 4 jacuzzi tubs, steam showers, elevator, business center, gardens, outdoor bbq and fountain from paris.

Rooms included in this package
  • International
  • Log Cabin
  • Octagon
  • Rosa Parks Room


best priced package in the mansion! This 3 bedroom residence has 4 bathrooms, whirlpool tub, 2 kitchens, business center, elevator, gardens, outdoor BBQ and fountain from Paris.

Rooms included in this package
  • Breakfast room
  • Country
  • Midshipman
  • Penthouse


This suite includes exclusive use of the billiards room for 8 hours, plus an adjoining hotel room. This is the most asked for suite in The Mansion for events, as you can sleep (if you choose) or play billiards on a $150,000 classic billiards table.


this residence has 5 bathrooms, whirlpool tub, 1 kitchen, large office, library, gardens, outdoor bbq and fountain from paris.

Rooms included in this package
  • Archives
  • Breakfast Room
  • Corporate
  • Country
  • Midshipman
  • Presidential


this is our most popular suite - almost always booked! offers 3 bathrooms, pirate's tub, kitchen, living room/dining room, 4 big screen tvs, business center, gardens, outdoor bbq and fountain from paris. pet friendly.

Rooms included in this package
  • Captain’s Quarters
  • Harbor
  • Homeport
  • Horizon
  • Lighthouse
  • Seaport


This residence has 7 bathrooms, 5 whirlpool tubs, 2 floor log cabin, exercise room, gardens, bbq and fountain from Paris. Also includes a business center.

Rooms included in this package
  • Exercise room
  • Fifth Dimension
  • Fireplace Suite
  • International
  • Log Cabin
  • Octagon
  • Rosa Parks Suite
  • Safari


this residence has 1 whirlpool tubs, elevator, billiard room, library, gardens, bbq and fountain from paris. also includes a business center.

Rooms included in this package
  • Corporate
  • Country
  • Garden
  • Lennon
  • Midshipman
  • Presidential
  • Teddy Roosevelt


This historic, spectacular and grand 5,000 square foot residence has 4 bathrooms, whirlpool tub, 2½ kitchens, game room, large outdoor deck, outdoor BBQ, and lots of Gibson guitars. Pet friendly.

Rooms included in this package
  • Old Glory
  • The Arcade
  • The Cavern
  • The Monterey Suite
  • The Vick
  • Versaille Suite


this residence has 7 bathrooms, 1 elevator, library, business center, billiard room, gardens, outdoor bbq & fountain from paris.

Rooms included in this package
  • Billiards Room
  • Breakfast Room
  • Captain’s Quarters
  • Corporate
  • Country
  • Garden
  • Harbor
  • Homeport
  • Horizon
  • Library
  • Mediterranean
  • Midshipman
  • Seaport
  • Teddy Roosevelt


includes exclusive use of the entire Mansion including the Club Floor for 5 hours. this nearly 90 room residence includes 18 bathrooms, 4 whirlpool tubs, 1 kitchens, 1 elevator, 8 fireplaces, business center, game room, laundry facility.

Rooms included in this package
This package includes exclusive use of the entire club floor.
  • Billiards Suite
  • Breakfast Room
  • Captain's
  • Corporate suite
  • Country
  • Garden
  • International
  • Library
  • Mediterranean
  • Midshipman
  • Octagon
  • Safari
  • St. Andrew’s Suite
  • Mrs. Rosa Parks Room


includes exclusive use of the entire club floor for 5 hours. this nearly 90 room residence includes 20 bathrooms, 1 elevator, 11 special event rooms, business center, game room, amnesia room, exercise room, extensive gardens, outdoor bbq and fountain from paris. contintinental breakfast included. pet friendly.

Rooms included in this package
This package includes exclusive use of the entire club floor.
  • Billiards Room
  • Breakfast Room
  • Corporate
  • Country
  • Fifth Dimension
  • Fireplace Suite
  • Garden
  • International
  • Lennon
  • Library
  • Mediterranean
  • Midshipman
  • Octagon
  • Presidential
  • Mrs. Rosa Parks Room
  • Safari
  • St. Andrew’s Suite


includes exclusive use of the entire club floor for ten (10) hours. this nearly 90 room residence offers 26 bathrooms, 1 kitchens, 1 elevator, 11 special event rooms, business center, game room, billiards room, amnesia room, exercise room, gardens, outdoor bbq and fountain from paris. breakfast included.

Rooms included in this package
This package includes exclusive use of the entire club floor.
  • Amnesia
  • Archives
  • Billiards Room
  • Breakfast Room
  • Captain’s Suite
    • Captain's Quarters
    • Seaport
  • Corporate
  • Country
  • Excercise Room
  • Fifth Dimension
  • Fireplace Suite
  • Garden Room
  • International
  • James Bond suite
    • Safari
    • cloister
    • honeymoon suite
    • St. Andrews
  • Lennon
  • Library
  • Lighthouse
  • Log Cabin
  • Mediterranean
  • Midshipman
  • Octagon
  • Newport suite
    • Harbor
    • homeport
    • horizon
  • Presidential
  • Mrs. Rosa Parks Room
  • Teddy Roosevelt


package does NOT include exclusive use of the Club Floor. this 100 room residence has 32 bathrooms, 10 whirlpool tubs, 6 steam showers, 1 rain showers and sauna, 11 kitchens, 2 elevators, 11 special event rooms, 2 business centers, game room, billiards room, amnesia room, exercise room, extensive gardens, outdoor bbq and fountain from paris. Breakfast included. Also includes a private chef. Pet friendly.

Rooms included in this package
  • Amnesia
  • Archives
  • Ballroom
  • Billiards Room
  • Breakfast Room
  • Candlelit Dining Room
  • Captain’s Suite
    • Captain's Quarters
    • Seaport
  • Corporate Office
  • Country
  • Excercise Room
  • Fifth Dimension
  • Fireplace Suite
  • Garden Room
  • International
  • James Bond suite
    • Safari
    • cloister
    • honeymoon suite
    • St. Andrews
  • Lennon
  • Library
  • Lighthouse
  • Log Cabin
  • Mediterranean
  • Midshipman
  • Museum
  • Music Room
  • Newport Suite
    • Harbor
    • Homeport
    • Horizon
  • O Bar
  • Octagon
  • Penthouse
  • Presidential
  • Mrs. Rosa Parks Room
  • Reception Room
  • Russian Tea Room
  • Teddy Roosevelt
  • Tiffany Dining Room
  • Wine Cellar

reviews

“The only way we can describe our event yesterday is “magical.” EVERYONE had an amazing time, and the staff was unbelievable–they were there every minute for everything we needed, and always smiling. The food was delicious, incredible, magnificent and ENDLESS!! People can’t stop talking about the experience.”

— leni ward

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events: 202.496.2020 hotel: 202.496.2000 museum: 202.496.2070 PIR: 202.496.2024 the mansion: 2020 O St. NW, Washington, DC, 20036