Rarely available 3BR/2.5BA duplex with office and gym/den/flex space, plus direct-access heated garage parking, ideally located on a gas-lit, tree-lined street in Charlestown. This beautifully designed 2,102 sq ft home offers an inviting open layout with Bona gray-stained white oak floors, thoughtful designer finishes, and a 4-zone Sonos sound system throughout. The chef’s kitchen features Fieldstone cabinetry, fully paneled appliances, a 6-burner Wolf range, Sub-Zero refrigerator, separate wine/beverage fridge, pot filler, and a Carrara marble island. Bright living/dining area with high ceilings and a gas fireplace. The primary suite includes an elegant bath with marble floors and a double vanity. The lower level offers flexible living with a gym/den, two spacious bedrooms, and a full bath. Gut renovated in 2020.