The Mansion on O Street
Wedding venue in Washington, District of Columbia
About The Mansion on O Street
The Mansion on O Street occupies a series of five interconnected town houses on a historic, tree-lined street in Dupont Circle. The property has more than 100 rooms, over 70 secret doors, period architectural details, and art and collections throughout. Weddings, receptions, showers, and ceremonies are hosted in its private event spaces, with a dedicated planner and customizable wedding packages. The venue offers cuisine tailored to guests’ dietary needs, including kosher-style, halal, vegan, and vegetarian options, along with overnight guest accommodations.
The facts
- Guests
- Up to 650 guests
- Price
- From $999
- Pricing note
- Micro-weddings and elopements are listed at a flat fee of $999++, for up to 10 people, for one hour; the offer is not available on weekends. Other wedding packages are described as customizable, with package-specific pricing and additional charges.
- Setting
- Indoor & outdoor
- Kind of place
- Estate · Hotel · Museum
- Last updated
- November 2026
This listing was compiled by wedplan.ai from the venue’s own website and public listings. Work here? Claim the page to keep it current.
On the big wedding guides
- Listed on WeddingWire (checked November 2026)
- Not listed on Zola (checked November 2026)
How to reach The Mansion on O Street
- Website: omansion.com
- Phone: (202) 496-2020
- Address: 2020 O Street NW
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