Welcome to Maison Commonwealth, Boston’s newest premier concierge boutique development where European elegance meets the historic charm of Back Bay. This remarkable three bedroom plus interior study/family room, three and a half bath Parlor/Garden townhome offers over 2,400 square feet of refined living, two private outdoor retreats, soaring near 12-feet ceilings, intricate plaster moldings, and imported marble fireplaces. The parlor level showcases elegant entertaining spaces overlooking tree-lined Commonwealth Avenue and a stunning primary suite with direct access to a private terrace. The lower level features a spacious family room and two ensuite bedrooms opening to a private brick walled patio. Floor-to-ceiling marble baths, hand-carved European mantels, and sleek Italian kitchens with Wolf and Sub-Zero appliances define the home’s world-class design. Concierge service, direct access to one heated garage parking, and private storage complete this rare offering. Storage unit in garage.