Located on idyllic King St in the Charlton-King-Vandam Historic District, this grand 23-ft, 6-in wide townhouse built in the early 1800’s has undergone a ground up, new structural (walls, ceilings & floors), multi-year renovation, complete modernization and restoration. The federal-style townhouse is comprised of 5 stories serviced by an elevator, as well as 4 separate outdoor spaces, including a bucolic fully landscaped and auto-irrigated multi-tiered rear garden. The townhouse enjoys a restored facade along with new ironwork, rebuilt cornice and front entry doors, and new Marvin and Optimum Steel Windows throughout. Enter via a distinguished stoop to the Parlor Floor, which has 10-ft 3-in high ceilings and rift & quartered white oak flooring. The Parlor Floor is designed for entertaining, with a spacious southern-facing dining room serviced by a fully equipped butler's pantry, with wet bar, wine fridge, heating drawer and dumbwaiter. The formal living room is bathed in sunlight via a wall of glass and a nearly 20-ft high atrium open to the Garden Floor below. The living room features custom built-in bookcases, wet bar, and an Ortal gas fireplace with Grigio Collamendina slab marble mantel. Direct access to the home's back garden is granted from an exterior steel balcony and gracious stairwell off the living space. The elegant custom white oak 42-in wide interior staircase leads to the Garden Floor and the home's eat-in kitchen – distinguished by oak cabinetry with Taj Mahal stone countertops, and top of the line appliances from Gaggeanau. The 15-ft retractable accordion glass wall creates the ultimate indoor-outdoor experience, opening to a manicured bi-level garden featuring areas for lounging and dining, an outdoor kitchen with grill and fridge, surround concrete privacy walls and IPE decking. The garden is irrigated and has integrated lighting throughout. Also found on the Garden Floor is an en-suite staff/in-law suite and an under-stoop entrance to the street. The primary suite occupies the third floor and incorporates an abundance of closets, dry bar, private terrace, and bathroom featuring Watermark fixtures and clad in honed Volakas marble, with double vanity, rain shower and freestanding soaking tub by Badeloft. On the fourth floor, there are 4 more bedrooms serviced by 3 full baths, all with Nublado Light marble and Watermark fixtures. Atop the home sits a media room with custom built-ins and a powder room all flanked by 2 expansive rooftop terraces with a custom planted Green Roof, one of which features an eco-smart fireplace, perfect for all-season entertaining. This SMART home is replete with multi-zone HVAC, lighting and AV systems.