3400 Prospect St Nw Unit 10, Washington, DC 20007
- $28,000,000
- 5
- BD
- 9
- BA
- 30,000
- SqFt
- Sold Price
- $28,000,000
- List Price
- $28,000,000
- Status
- CLOSED
- Days on Market
- 1
- Closing Date
- Jan 12, 2026
- MLS#
- DCDC2287620
- Subtype
- Residential
- Style
- Federal
- Year Built
- 1787
- Bedrooms
- 5
- Bathrooms
- 9
- Full Baths
- 5
- Half Baths
- 4
- Living Area
- 30,000
- Lot Size
- 22,173
- Acres
- 0.51
- Subdivision
- Georgetown
- Building Name
- Halcyon House
Property Description
Extraordinary Halcyon House! Over 30,000 square feet in this historically designated mansion overlooking the Potomac River. Sited on a dominant 1/2-acre hill. Once owned and expanded by Mark Twain's nephew. Masterful restoration-pristine condition. Most appropriate for either a single family or a qualified non-profit group. *REGISTRATION FORM REQUIRED
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Additional Information
- Interior Features
- Walk-In Pantry, Gourmet Kitchen, Separate Dining Room, Double/Dual Staircase, Upgraded Countertops, Bath in Primary Bedroom, Bar, Wood Floors, Traditional Floorplan
- Exterior Features
- Storage
- Taxes
- $207,768
- Property Description
- Federal
- Zoning
- R3
- Appliances
- Washer/Dryer Hookups Only, Cooktop, Dishwasher, Disposal, Dryer, Ice Maker, Intercom, Double Oven, Electric Range, Washer
- Heating
- Forced Air
- Air Conditioning
- Central Air
- Levels
- Five Or More
- Roof
- Slate
- Foundation
- Other
- Parking Features
- Parking Space Conveys
- Garage Spaces
- 12
- School District
- District Of Columbia Public Schools
- Elementary School
- Hyde-Addison
- Middle School
- Hardy
- High School
- Wilson Senior
- View
- Water
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Listing courtesy of Compass. Contact:
Selling Office: TTR Sotheby's International Realty.