103 East 84th Street is an elegant prewar cooperative designed by Emery Roth & Sons and built in 1917. Located just off Park Avenue on a charming tree-lined block, the 10-story building offers 32 residences and amenities including a bike room, laundry, and private storage. Pet-friendly and pied-à-terre permitted, the building allows washer/dryers and up to 50% financing. A 2% flip tax applies.