Excellent investment or owner-occupant opportunity in Lowell Schools! This updated duplex offers flexible living, strong rental history, and a rare setting on a private cul-de-sac with over 150 feet of Flat River frontage across the road -- all within walking distance to downtown Lowell. Unit A features 4 bedrooms, 2 full baths, 1 half bath, an open-concept kitchen/living area, and comfortable multi-zone in-floor heating. The newly finished lower level adds an impressive 600+ sq. ft in a primary bedroom suite, expansive private bath, and additional half bath. Unit B offers 3 bedrooms, 1 newly remodeled full bath, open-concept kitchen/living space, and the same comfortable in-floor heat. Outside, each unit enjoys its own private patio area, generous yard space, and a storage shed. Whether you're looking to live in one side and rent the other or expand your portfolio, this move-in-ready multi-unit property offers space, updates, income history, and a unique riverfront setting.