This magnificent, mint condition, prewar duplex offers a gracious layout with grand proportions high above West End Avenue. Entering the top floor you will be wowed by the expansive living and dining rooms that are divided by dramatic glass walls and flooded with sunlight all day long. On this floor, there is also a library with a river view, a spacious bedroom with an en suite bathroom and walk-in closet and another full bathroom. The double windowed eat-in-kitchen has custom-cabinetry and high-end appliances from Bosch, Sub-Zero and Miele, stainless counter tops, abundant storage and a laundry room. As you descend the sweeping staircase you will enter the large and comfortable media room. Also on this level are three bedrooms and three full baths: two en suite bathrooms with walk-in closets including a serene master suite with an enormous custom built dressing room/closet and a luxurious master bath with custom vanities. This beautifully appointed residence features exquisite custom millwork, high beamed ceilings, skim coated walls, pristine hardwood floors, electric shades, built-in speakers and Crestron lighting. 333 West End Avenue is an exclusive prewar building located in the sweet spot of the Upper West Side with a full-time doorman, live-in super, a free double-sized storage area that transfers with the apartment, bike room, and the co-op is pet friendly.This lovely home is steps away from Riverside Park, the Hudson River Greenway, top restaurants and simply the best shopping with Barneys, Fairway, Citarella and Trader Joe's, just around the corner. You are also a short stroll from Lincoln Center and Central Park.