Welcome to Maison Commonwealth, a premier new construction boutique concierge residence where European elegance and modern sophistication meet the historic charm of Boston's Back Bay. This exceptional 3-bedroom plus study/family room, 3.5-bath Parlor/Garden townhome offers over 2,400 sq. ft. of refined living, two private outdoor spaces. The magnificent parlor level features soaring 12-ft ceilings, intricate hand-cast plaster moldings, imported hand-carved Italian marble fireplaces, custom cabinetry throughout, and wide-plank oak floors. elegant entertaining spaces overlooking tree-lined Commonwealth Avenue. The main-level primary bedroom suite offers a walk-in closet, luxurious marble bath with soaking tub, and direct access to an exclusive private terrace. The custom designed glass and wood staircase leads you to the guest suite living level featuring a spacious family room and two additional bedroom suites, opening to an expansive private bluestone patio. Features to include: Custom Designed Sleek Italian kitchen cabinets, with Wolf and Sub-Zero appliances, wine refrigerator, and built-in coffee maker, floor-to-ceiling marble tiled bath this exquisite home. Concierge service 7am -11pm, direct access to one heated garage parking space, and private storage complete this rare new construction offering in an intimate, professionally managed five-residence building.