PH A is unequivocally the crown jewel of the renowned 280 St. Mark's Ave, Prospect Height's premier full service boutique elevator luxury building. This sprawling 4-bedroom, 3.5-bathroom penthouse spans over 2100 square feet of meticulously designed interior space complemented by nearly 1300 square feet of private outdoor. Offering underground parking, a 24 hour concierge and an amenity rich building add to the allure and uniqueness of this spectacular home.Entering through the gallery, the main living area opens up into an expansive space so bright and airy, you will never feel the need to turn lights on. Floor to ceiling windows spanning 27 ft wide allow for incredible light as you look out onto a massive outdoor living space. Unobstructed views over brownstone Brooklyn below and across the NYC skyline creates a stunning backdrop from day into night. Three exposures allow light to come in from all directions at all times of the day. The chef's kitchen is simply stunning, anchored by a striking 12-foot island and adorned with three hand-crafted wood-grain pendant light fixtures by Brendan Ravenhill Studio. A 6 burner 48" Wolf gas range with plancha and dual ovens, marble countertop and backsplash, a 54" Sub Zero refrigerator and Miele dishwasher, combine with high end fixtures and white lacquer custom Italian millwork to make this dream kitchen a reality dream. To top it off, a walk in pantry outfitted with custom shelving provides a shocking amount of storage.The spacious master suite boasts floor-to-ceiling sliding glass doors leading to the terrace. An oversized walk-in closet, along with a secondary closet allows for endless storage. Enter into your spa like primary bathroom to be wowed by the floor-to-ceiling honed Sugar White marble tiles. An oversized soaking tub sits in front of a 10-foot wide wall of windows, yet still offers complete privacy. A custom-designed walnut vanity that's wrapped in marble adds to the zen like ambiance. Twin Kohler sinks with Waterworks Easton polished nickel fixtures and a hanging walnut medicine cabinet with integrated task lighting continue to impress, while radiant heated floors warm your soul.The far end of the apartment is home to 3 spacious bedrooms, each boasting wall to wall west facing windows and generous closetsoffer comfortable accommodations. The second and third bathrooms are located on this side of the home and are equally impressive, each with their own soaking tub, high end fixtures and unique tiling elements. The laundry closet is located in this hallway, as well, featuring full sized, side by side LG washer and vented dryer plus additional storage.An upstairs secondary private outdoor space adds over 500 square feet of outdoor living, accessible directly from within the apartment.PH A includes a private underground parking space and deeded storage unit. Do not miss this extremely rare opportunity to reside in a meticulously crafted penthouse offering unparalleled luxury, breathtaking views, and a wealth of amenities in the heart of Prospect Heights.280 St Marks Ave is a boutique, 32-unit elevator building that is professionally managed. Residents enjoy amenities such as a full-time concierge, common roof terrace with skyline views, residents lounge, garden area, fitness center, children's playroom, bike storage, and package room.