858 TYSON Street Seize the Day. Major opportunity-Over 4, 000 sqft, Zoned R8 can be a huge single family residential home or split into a 2 unit building. Or get it proposed for commercial purposes. Build up or buy the adjoined building for more square footage. Right next to UMD but on a quiet, artsy street in the heart of Mount Vernon. Dreaming of building a huge custom residential home in the city but can't find the right space? Look no further! Want to expand your investment portfolio with a multi unit property right next to a major educational hospital? This would work. Additionally, there is room to expand square footage by building up or purchasing the building behind it. This Historic Carriage House is full of potential and sits on one of the coolest ally streets in Mt. Vernon. The heart of Mt. Vernon is within minutes walk including iconic monuments, architecturally significant buildings, restaurants, boutique shops and the Mt. Vernon Club. University of Maryland is only one block over making this a fantastic opportunity for a primary resident or investor alike.