Welcome to 833 William Street - located on one of the premier blocks in the Federal Hill Historic District, just one block to the Inner Harbor and around the corner from Federal Hill Park. Step inside this unique 4-story home that has the option of two separate residences. The main level offers a den, parlor/office with a wood-burning fireplace, kitchen, bedroom, and full bathroom. It connects with the lower level with an additional bedroom and a full bathroom. Combine these two levels into an Air B&B, a place for visiting family, an au pair suite, or a Pied-a-Terre. The 2nd level has a huge living room, with built-in bookcases that flank the wood-burning fireplace; a dining room; renovated kitchen with an abundance of storage space and access to the wonderful and large composite deck out back; plus a half bath. Head to the 4th floor & there you will find the beautifully renovated primary suite with custom closets. This retreat has a private sitting room that is perfect for relaxing or working out. The primary bath has a steam spa shower, heated floors, and a towel rack. Upgrades include recently replaced windows on the front and carpeting on the lower and main levels. Perfect for a multi-generational household or looking for some rental income! It is also conveniently located close to the newly renovated Cross Street Market, I-95, Camden Yards/M&T Bank Stadium, the MARC train for easy travel to Washington DC, and BWI airport.