FIRST SHOWING ON 2/25 AT SUNDAY OPEN HOUSE FROM 12-1:30.OPPORTUNITY KNOCKS! Rare offering of this  sprawling and spacious, perfectly located, 4 bedroom (could be 5-6 bedroom), 4.5 bath apartment. The apartment features a gracious and adaptable layout, well-appointed and large rooms throughout, oversized formal gallery, 16 foot wide living room with a windowed wall and full city views over townhouses, a large windowed kitchen, formal dining room, den, playroom,, amazing closet/storage throughout, and a second kitchen which can be easily converted to a laundry room. Washer dryer and through- wall AC already in place. Low maintenance. The Chalk House is a full service building, with 24-hour doorman, live-in superintendent, laundry room, storage and bike room, and a garage. The lobby and elevators have been recently renovated and there is a charming private garden off the lobby. 75% financing is permitted. The building is pet friendly and allows pied-a-terres.