Meticulously maintained turnkey 4-unit brownstone in historic South End on quiet tree-lined street with excellent rental history. Owners' unit is a 2BR/1.5BA garden duplex (currently vacant) with open floor plan, private deck with direct access to 2 parking spaces, gas fireplace and dedicated HVAC. Upper three units (two 2BRs, one 1BR) are presently vacant for easy showing. Building has a recent rubber roof with copper gutters and downspouts in 2019, recent gas-powered 80-gallon water heater, new A/C in each unit, new dry well under new gravel parking, new Nest security cameras and thermostats, plus many other updates throughout the property. Property is ideal for condo conversion, redesign as a single family, or with penthouse duplex or triplex, 1031 exchange or investment in Boston's strong rental market. Property is conveniently located near Boston Medical Center, Prudential, SoWa, Ink Block, restaurants, cafes, parks and shops. Easy access to I-90, I-93, Orange Line, Silver Line.