A Rare Brownstone Condo with Downtown Vibes in the Heart of the Upper East Side. Nestled on a charming tree-lined street, 212 East 70th Street is one of the few brownstone condos in the Upper East Side, offering a unique blend of downtown style and pre-war charm. This stunning Penthouse duplex has been newly renovated, seamlessly blending historic details with modern design. Soaring 12-foot ceil...