Rare mixed-use investment opportunity in the heart of Newton's thriving business district. This fully upgraded 6, 300+ sq ft building offers a clear path to value with commercial use on the first floor and residential conversion potential on the second and third floors. With over $1M in capital improvements completed, the heavy lifting is done allowing investors, developers, or owner users to focus on repositioning and income potential. The third floor already includes a full kitchen, full bath, and large flex space, ideal for a one-bedroom unit or owner's suite. The second floor features an open layout, two bathrooms, utility/storage areas, and a separate rear entrance, supporting potential for multiple residential units. The first floor remains commercial and includes a reception area, secure vestibule with two-door man trap, half bath, and side loading access, well suited for medical, professional office, retail, or restaurant use. Currently outfitted as a secure data center with cooling, fiber/data infrastructure, fire suppression, and advanced security. The basement provides additional storage and utility space. Walkable downtown location with direct access to municipal parking plus shops and restaurants. Close proximity to Starbucks, Chipotle, Five Guys, grocery, and major retailers including Walmart.