Nestled within the picturesque and historic Treadwell Farms, this exquisite townhouse is the epitome of classic elegance and refined living. Spanning 4 stories and 20 feet wide, this stunning single-family residence is located on one of the most charming tree lined streets on the Upper East Side. Built in 1905 and spanning more than 4,000 sqft, the home also provides the possibility of expansion with 3,956 sq feet of air rights. Entering through the beautiful foyer on the parlor floor, one is immediately struck by the rounded arches and stunning pre war details. The large foyer opens into the grand south facing living room with over-sized shuttered windows, beautiful moldings, 12' ceilings and a decorative marble fireplace. A sunny and private library/office and powder room are accessible off the entryway. The home's private quarters are accessed through a beautifully curved staircase with wrought iron banister. The bright and charming primary bedroom suite is impressively spacious with oversized picture windows facing south over the garden. There is a wall of deep closets and a renovated ensuite bathroom. An additional bedroom with ensuite bathroom provides access to a private staircase down to the parlor level. The 4th floor offers 3 more spacious bedrooms, one of which has another decorative fireplace. Through the garden level, the first floor features an eat-in kitchen with a six burner stove, stainless steel appliances, plenty of counter space, a separate pantry area and a half bath. Directly off the kitchen is a gracious living/dining room with another decorative fireplace and ample space for a formal dining table. French doors lead to the ivy covered garden. This serene space is the ideal escape; perfect for entertaining and for quiet moments. A full laundry room is located on the top floor and original hardwood floors can be found throughout. Conveniently located, stunning block and landmark district. *Photos Virtually Staged*