Single Family Home for sale by owner in Baltimore, MD 21211. Historic Stone Hill is nestled in a little pocket just south of Hampden in Baltimore City. Originally built by the Mount Vernon Mill Company in the 1840 s these stone duplexes were home to the mill workers in the mid to late 19th century. The neighborhood is listed on the National Historic Register and still reserves its charming quaintness as the city blooms around it. This beautifully renovated 3 bedroom, 2 full bath home is a piece ... See site for full property details.