270 Up Mountain Avenue Perched high above Montclair with sweeping, unobstructed views of the New York City skyline, this stunning 8 bedroom, 4 full and 3 half bath residence offers a rare blend of timeless charm and modern design. Meticulously maintained, the home honors the elegance of a bygone era while seamlessly embracing today's lifestyle. At its heart is an architect-designed modern kitchen, thoughtfully curated with premium finishes and clean lines, flowing effortlessly into a striking floor-to-ceiling glass familyrm addition. Flooded with natural light from floor-to-ceiling windows, this dramatic space creates an unparalleled setting for both everyday living and entertaining. The primary ensuite is a true retreat, featuring a spa-like bath, spacious walk-in closet, and a private home office overlooking the breathtaking Manhattan skyline. Generous living and dining spaces, rich in character and detail, complement the home's contemporary updates. Eight spacious bedrooms provide flexibility for guests, play and home office needs. Bonus carriage house features a one bedroom apartment above the two car garage. The private setting offers a true sense of retreat, all while being moments from Montclair's vibrant downtown known for its trendy restaurant scene, boutique shopping, beautiful parks and just a few blocks to the NYC train for a seamless commute. A one-of-a-kind offering where classic architecture and modern luxury meet set against a backdrop that simply cannot be replicated.