The Mansion on O Street

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All-inclusive venue

The venue takes care of it all - food and beverage, rentals, the works!

Guest capacity

Up to 300 seated guests

About this venue

with our themed rooms and 70 secret doors we are like no other wedding venue in the world - offering a destination wedding without having to travel. we have been featured on the travel channel's "mega mansions" (see us on netflix), named a washingtonian magazine "hidden gem" and featured in national geographic traveler among others. our world-class cuisine, top-notch service and awe-inspiring intimate environment will create lasting memories for you and your guests. our 5 star chef can create an extraordinary meal tailored to your groups unique personality and dietary needs - including, kosher-style, halal, vegan, vegetarian, regional and international cuisine. our pastry chef is rated in the top ten in the country. we offer packaged pricing that can be enhanced and customized just for you. your complimentary event planner will listen to you - to create the wedding you've always dreamed of - so you can spend less time planning and more time enjoying your special day.

Seated guest capacity

  • 300

Venue type

  • Historic Estates, Mansions
  • Hotels, Inns, Resorts
  • Lodges, Retreats
  • Museums, Galleries
  • Urban Locations

Venue setting

  • Indoor
2020 O St NW, Washington, DC 20036

Our event spaces

The Conservatory

with our themed rooms and 70 secret doors we are like no other wedding venue in the world - offering a destination wedding without having to travel.

with our themed rooms and 70 secret doors we are like no other wedding venue in the world - offering a destination wedding without having to travel.

Guest capacity

Up to 170 Seated

Up to 250 Standing

Guests often feel this space is

“Surprised and delighted”

Included in this room:

Dimmers for total lighting customization

The Ballroom

with our themed rooms and 70 secret doors we are like no other wedding venue in the world - offering a destination wedding without having to travel.

with our themed rooms and 70 secret doors we are like no other wedding venue in the world - offering a destination wedding without having to travel.

Guest capacity

Up to 68 Seated

Up to 100 Standing

Guests often feel this space is

“Surprised and delighted”

Included in this room:

Dimmers for total lighting customization

The Conservatory

with our themed rooms and 70 secret doors we are like no other wedding venue in the world - offering a destination wedding without having to travel.

with our themed rooms and 70 secret doors we are like no other wedding venue in the world - offering a destination wedding without having to travel.

Guest capacity

Up to 170 Seated

Up to 250 Standing

Guests often feel this space is

“Surprised and delighted”

Included in this room:

Dimmers for total lighting customization

Available services that can be provided by The Mansion on O Street

Services & amenities

  • Bar services
  • Catering services
  • Clean up
  • Dressing room / Bridal Suite
  • Event coordinator
  • Event rentals
  • Event staff
  • Lighting/Sound
  • On-site accommodations
  • Pet friendly
  • Service staff
  • Set up
  • Wedding cake services
  • Wheelchair accessible
  • Wifi

Reviews

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