Perched high in desirable Mountainside, 1531 Coles Avenue presents a rare opportunity to own an exceptional custom home on over one acre of flat land. Offering more than 5000 square feet of thoughtfully designed open living space, this home blends open concept and versatility in a sought after setting. Inside, rooms are filled with natural light and designed for both everyday living and entertaining. The flexible floor plan includes first floor bedroom suites, ideal for guests or primary living. Generous living and dining areas flow easily, while oversized windows frame the surrounding view! Outdoors, the sprawling property offers endless possibilities! With privacy and a premier location with nearby Trailside Nature and Science Center, walking trails, playground, as well as shopping living in between downtown Summit & Westfield- this is a onof a kind offering that does not present itself often in Union County.