Located on a quiet cul-de-sac on one of Mountainside's most desirable streets, this beautiful expansive colonial boasts 4 bedrooms & 4 full/1 half bath. The sunny living room with vaulted ceilings, hardwood floors and gas fireplace flows perfectly into the large eat-in kitchen with center island, stainless appliances (including a Viking stove & wine fridge) white cabinetry & separate breakfast area. The formal dining room, powder room, large family room, convenient first floor office and laundry room complete this level. The upper level has four bedrooms and three full baths. The spacious primary suite offers a walk-in closet and large private bath with soaking tub, glass stall shower and double vanity. The finished lower level includes a huge rec room/play room, an exercise room, newer full bath, wine cellar and a large storage room. Additional amenities include an electric car charger, sprinklers, a central vacuum system and an invisible dog fence. This stunning home features an oversized 2 1/2 car garage and large two tiered deck perfect for al fresco dining, overlooking a spectacular private backyard. Conveniently located on a quiet street close to Mountainside's top rated schools, NYC transportation & gorgeous parks, this is the perfect place to call home!