An extraordinary expression of urban luxury, this penthouse redefines refined city living. Approx. 2,515sf on one level w/ three sunny exposures, this residence offers 4 beds, 4 baths, & direct elevator access to both the home & a private head house w/ custom dry bar & private roof deck. Partnering with award-winning Planetta Design Group & TSP Smart Spaces, the bespoke three-tone kitchen boasts high-end appliances, Carrara-veined stone, & walk-in pantry while the open-concept living area centers on a two-sided fireplace, formal dining for twelve, & a custom wet bar. The corner primary suite evokes luxurious comfort & features a walk-in closet, southwest exposure w/ terrace access through bi-folding glass doors & Back Bay skyline views, while the spa-inspired bath includes a European-style shower, soaking tub, heated floors & custom lighting. 2 direct-access garage parking spaces w/ EV access in an amenity building. Craftsmanship. Architectural precision. Timeless sophistication.