1160 Third Avenue RARE PENTHOUSE DUPLEX WITH THE BEST VIEWS TO COME TO THE MARKET! Welcome to Penthouse B at the Frost House, located in the highly desirable Lenox Hill neighborhood on the Upper East Side of Manhattan. This one-of-a-kind duplex boasts a private outdoor terrace with stunning open views, floor-to-ceiling windows, and an exquisite layout that makes this home stick out. As you enter the apartment, the huge windows and terrace overlooking the Manhattan skyline and Billionaire's row will immediately catch your attention. The duplex apartment features a spacious great room, open stairs, exposed brick, a king sized bedroom and 1.5 baths. Upstairs, the king-size bedroom is flooded with natural light and features large closets, plus a linen closet just outside. A reading corner and work-from-home space with open sky complete the space. Recently completed capital improvements include: The electric was redone in 2024, a new air conditioner system was installed in 2023 (creating a reduction in gas bills) and the installation of an instant hot water heater in 2022. Local Law 11 takes place later this year and is already paid for. The penthouses will be completed first. There is NO assessment for PHB. Washer / Dryer installs allowed in unit with board approval. Building amenities include a full-time doorman, live-in super, live-in resident manager, bike room, laundry facilities and a bulk rate cable / internet deal through Spectrum for ONLY $57. The pet policy permits cats. Also permitted with approval: sublets, co-purchasing, and pied-a-terre. Case by case: gifting, trusts and buying in an LLC. The location is unbeatable, with easy access to public transportation (Q, N, R, W, 6), Central Park, Bloomingdale's, and Trader Joe's. Whole Foods is coming soon across the street! If you're looking for a luxurious penthouse in a prime location, look no further than Penthouse B at Frost House.