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#1 for meetings and events in the world — event mb
top five historic venues to explore — in the world — smithsonian.com

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The food was excellent and of great value. The team at O Mansion went above and beyond for our team-building retreat.

— Jill Berger from Leapfrog Group

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Amazing experience, 10/10 recommend!

— Hannah Warshawsky

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We were limited on time and only able to stay a couple of hours, but we managed to find around 20 doors. The collection of items was incredible and displayed in a manner that made sense. If I'm ever back in DC, this will be my first stop!

— Melinda Cotton - Allen, TX

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Perfect place to celebrate team accomplishments and create new memories. Outstanding service and F&B complimented by everyone's self-discovery of the Mansion.

— Roy Beaumont
LBE
Local Business Enterprise
SBE
Small Business Enterprise
Our Certifications
CBENumber: LSZR30942082022
DZE
Development Zone Enterprise
ROB
Resident Owned Business