Situated on a beautiful Riverside Park block, this 20-foot wide townhouse is in pristine condition. There are four unique and luxurious south-facing outdoor spaces, two gas fireplaces, six bedrooms, nine bathrooms and an elevator that services all floors from the basement to the roof terrace. The home features smart technology, an 11-zone HVAC system, a home gym and a wine cellar. Natural sunlight floods every floor of this townhouse with a south facing glass rear facade and a bow front facade.Parlor Floor Enter this home up the stairs of a beautifully restored stoop into the grand living room with over 11' ceilings and a gas fireplace. This floor features a powder room, a formal dining area and an extraordinary eat-in chefs' kitchen overlooking the garden. There is banquette seating as well as counter seating and a gas fireplace. The appliances include a 48" Wolf range, three ovens and two Sub-Zero refrigerators. Just off the kitchen there is a glass enclosed staircase to the garden level.Garden Level The fully planted and landscaped south-facing garden has been designed and maintained by Town and Gardens and features an automatic watering system and elegant lighting. There is also a water feature running the full length of the southern end of the garden. Surrounded by other townhouse gardens on all sides brings in abundant sunshine and sense of space. In addition there is a Kalamazoo grill, a fire-pit and seating for 18+. Off the garden there is a large family room with wet bar and at the front of the house a full guest suite with kitchenette. Upper Floors The main bedroom suite comprises the entire third floor. The elegant layout of this floor features the main sleeping area with a large planted setback terrace, a large home office overlooking quiet 90th Street and an enormous and luxurious marble bathroom with fittings and finishes of the highest quality. This main bathroom is anchored by a magnificent soaking tub, front and center and features an extremely large walk-in shower. There are two walk-in closets and a shoe closet. Floors four and five feature two bedroom suites on each floor complete with full bathrooms and generous closet space for each. There is another setback terrace with herb garden off the south bedroom on the top floor.Roof Terrace and Basement The roof terrace, accessible via stairs and elevator is landscaped and decked and features water, electric and lighting. The roof and deck are brand new and the new roof includes a 15-year warranty. The fully finished basement level features a home gym and spa-like bathroom with steam shower and a laundry room with 2 full-sized washers and 2 full-sized dryers. There is a large walk-in wine room with humidity and temperature control. The mechanicals for the house are well maintained and in pristine condition.