Classic Kingston property with strong income potential and flexible living options. Prime corner location at Main St and Elm St with easy access to Route 3. Rare opportunity featuring a renovated duplex plus a legal detached ADU/barn. All three units have been updated with fresh interior paint, quartz countertops, stainless steel appliances, and refinished wide pine hardwood floors. The duplex also features updated windows, mini-split systems in both units, and a covered porch for the first-floor unit. Major improvements include a new 7-bedroom septic system, new siding and trim, and new composite decking. All units are separately metered with common meter for duplex. The detached ADU/barn offers high ceilings, an open floor plan, finished second level, gas heat, oversized bathroom with tiled shower, a large kitchen island. Investors and owner-occupants take notice — unique multi-unit property with character, updates, and versatility in a convenient Kingston location.