A rare Cambridge opportunity! Tucked away on a quiet side street, 59-R Ellery Street is a legally designated two-family offering exceptional flexibility in a prime Cambridge location. Renovated in 2019, the property features hardwood floors throughout, a spacious kitchen with stainless steel appliances, and custom built-ins surrounding a cozy gas fireplace. The current layout offers a generous primary suite with ensuite bath, walk-in closet, built-in storage, and convenient first-floor washer/dryer, while the upper level includes two additional bedrooms, a full bathroom, and flexible living or office space. An oversized private backyard provides ample space for gardening, gatherings, or the potential for a grand patio ideal for entertaining. With separate entrance and yard areas, the property presents an opportunity for rental income, owner-occupancy, or future reconfiguration into a larger single-family residence. Ideally located just moments to Harvard Square, Inman Square + Ctrl sq.