New Construction garden duplex in a meticulously maintained classic Back Bay brownstone located at the corner of Dartmouth Street. Former residence to American writer and mountaineer James Ramsey Ullman, this 2 bedroom, 2.5 bathroom home features traditional chandelier entry foyer with grand staircase, high ceilings, oak hardwood floors, stunning crown moldings and wainscoting. Master bedroom with marble en suite bath, radiant heated floors and two walk-in closets. Second generous bedroom, also with marble en suite bath and ample closet space. Gourmet kitchen featuring Wolf and Sub-Zero appliances with Carrara marble countertops and custom white cabinetry. South facing, open concept kitchen & family room provides a great entertaining layout. Private sun-filled patio and direct access deeded parking space complete this beautiful Back Bay home.