CONTRACT SIGNED20 foot wide, 5-story brownstone in excellent condition on a beautiful tree-lined landmarked block near Riverside Park. Approximately 5167 in interior square feet, with an additional 900 square feet of outdoor space, the house consists of a spectacular owner's quadplex on the top floors, a garden duplex 2 bedroom unit and a simplex 1 bedroom unit on the parlor floor. The leases end in June and October, respectively, so the house can be delivered vacant or with tenants in place. The house was built in 1892 by Charles H. Israel in the Renaissance Revival and Romanesque Revival style. The house was built 73 feet deep on a 102 foot lot with a 15 foot extension.OWNER'S QUADPLEX: With approximately 3000 square foot (not including the basement), the owner's quadplex has been exceptionally designed and is incredibly unique with the staircase running East to West encapsulating the entire width of the house. This inviting and renovated apartment offers private street entrance, 4 bedrooms, 3 bathrooms, a powder room, formal living room, dining room, library, kitchen, with triple exposures, over 10 foot ceilings on every floor, central air conditioning, a skylight roof and four wood burning fireplaces. Enter into the house into the gorgeous library with a wood-burning fireplace, flanked by wood built-ins. Below the library is a small staircase to the garden floor which has a guest bedroom suite on 81st Street, replete with its own bath en suite and washer/dryer.From the library, with 11'5" ceilings, you see the start of the spectacular staircase leading up to the third and fourth floors above. Hand-carved and extremely wide, the staircase atrium with the skylight roof allows the light to shine down below, drenching the owner's apartment in warm glowing sunlight.The third floor invites you to the formal living room with built-ins, a wood-burning fireplace, a bay window seat with four glorious North facing windows. The formal dining room also has a wood-burning fireplace and a floor to ceiling south-facing window overlooking the garden, and attractive gardens of the townhouses on West 80th Street. The kitchen is in the extension with an additional Eastern exposure, and is well-equipped.The primary bedroom has this open and airy feeling with the skylight right above, and three large windows across facing the street. There are two closets, built-ins, another wood-burning fireplace, and bathroom en suite wit