The Mansion on O Street is a hotel with 12 meeting rooms and 17 guest rooms, capable of hosting conferences for up to 300 people. It offers a variety of practical amenities including business facilities such as a business centre and fax and photocopying services. The venue also features private parking that does not require a reservation, along with free WiFi, family rooms, non-smoking rooms, facilities for disabled guests, a lift, and daily housekeeping. In addition to meeting spaces, The Mansion on O Street provides dining options with a bar and offerings of wine or champagne, along with bottled water. Outdoors facilities include a garden, a games room, a library, and a shared lounge or TV area. The location at 2020 O St NW in Washington is central and accessible, with onsite parking available for guests attending business events.