Welcome to 145 Newark Ave, a prime mixed use medical zoned commercial property located in the heart of Belleville! This versatile property features a 1540SF fully operational medical zoned practice on the ground floor with 7 medical rooms and two offices with an additional 450SF basement attached that is currently owner occupied and used as a veterinary clinic and can be delivered vacant. The upper level boasts a stunning,1540SF newly built 3-bedroom, 2-bath apartment with potential to convert into a 4 bedroom, perfect for homeowners or investors looking for rental income. The apartment is designed with modern living in mind, featuring elegant porcelain floors and luxurious marble countertops in the kitchen. Enjoy the grandeur of 14-foot ceilings and the comfort of insulated walls, 375SF deck, ensuring a peaceful retreat. Additional highlights include a complete appliance package, including a washer and dryer conveniently located in the unit. With central heat and air conditioning, this apartment offers year-round comfort and convenience. Owner can apply for two designated parking spots in front of the building for the business. Plenty of street parking and only 1mi from Watsessing Train Station making an easy commute to NYC and 0.2 mi to Clara Maass Medical Center. Don't miss this unique opportunity to own a property that blends commercial potential with residential luxury. Schedule your showing today and explore the endless possibilities that await! Final CO in hand.