OVER 6,000SF COMBINED INTERIOR AND EXTERIOR LIVING SPACE - WELCOME TO PENTHOUSE A AT 90 RIVERSIDE DRIVE!  This extraordinary residence offers an exquisite blend of sophisticated design, breathtaking views, and unmatched outdoor space. Meticulously rebuilt over a five-year gut renovation, this three-bedroom (plus home office), three-and-a-half-bath penthouse seamlessly marries modern elegance with its pre-war heritage. This penthouse offers a rare opportunity to live expansively in the heart of the Upper West Side. With direct elevator access to a private landing, residents enjoy both privacy and convenience. The home boasts four exposures, offering panoramic views of the city skyline and the Hudson River to the south and west. Every room opens to the wraparound terrace, creating an effortless blend of indoor and outdoor living. The gourmet kitchen, positioned on the northwest corner, is a culinary dream with triple exposures, including eastern light, bathing the space in natural sunlight throughout the day. A substantial center island provides ample workspace, complemented by a side-by-side double refrigerator, an eight-burner range, and top-of-the-line appliances. Double dishwashers ensure seamless cleanup, while a bench with interior storage and a built-in étagère adds functionality to the thoughtfully designed space. Adjacent to the kitchen, the expansive dining area comfortably accommodates a table for 12 guests, offering stunning Hudson River views that enhance every meal. A nearby wet bar with a sink provides added convenience for hosting cocktails while enjoying spectacular sunsets over the river. The living room is a warm and inviting space, anchored by a gas fireplace and featuring dual southwest exposures, making it the perfect setting for both relaxation and entertaining. Custom-built-in shelving offers ample room to showcase art, books, and family heirlooms, adding a personal touch to this sophisticated space. A serene corridor leads to the private quarters, where all south-facing bedrooms feature en-suite baths, offering comfort and privacy. The primary suite is a luxurious retreat, boasting a windowed five-piece bath with spa-like finishes and a generous walk-in closet that provides abundant storage. A windowed home office with northern exposure offers a bright, peaceful workspace, while a conveniently located powder room adds practicality to this thoughtfully designed wing. Additional amenities elevate this penthouse to an unparalleled level of luxury. The residence includes a vented full-size washer and dryer within a dedicated laundry room, ensuring household tasks are easily handled. Independent mechanical systems, including a private water heater, allow autonomy from the building's utilities, while central air conditioning, Lutron lighting, and automated shades offer seamless control of ambiance and comfort. A renovation of this scope is exceptionally rare, given today's regulatory environment and rising construction costs. This penthouse represents a once-in-a-lifetime opportunity to own nearly 6,000 square feet of combined interior and exterior space on a prime Upper West Side block. The protected southern city and western river views further enhance its exclusivity. 90 Riverside Drive is a distinguished pre-war co-op known for its timeless architecture and exceptional services. The stately brick facade and classical entryway, adorned with decorative lanterns and a welcoming canopy, set the tone for an elegant living experience. Inside, residents are greeted by a lavishly decorated marble lobby, attended by a 24-hour concierge and doorman service that ensures privacy and security, and a live-in resident manager. The building offers an array of desirable amenities, including a fitness center, basketball court, and playroom. Flip tax: 2%.