Only one flight from the sidewalk, this unicorn 4 bed penthouse triplex w/private entrance lives like a single family home. First level is a sunny west facing living area showcasing 3 over-sized windows & bow front. Suburban size kitchen w/Thermadore/Bosch features custom cabs & large island w/seating for 4. Large table dining area w/gas fireplace, 1/2 bath, additional family room w/4 large skylights & gas plumbed deck ideal for grilling complete this floor. One floor up you find a king-sized primary suite w/3 windows, walk-in closet, spa-like bath w/double sinks, step-in shower, soaking tub & heated floors as well as 4th bed perfect as office/nursery/ exercise space that feeds to relaxing deck. Top floor includes 2 generous queen sized beds, 2 full baths, laundry room & full staircase to entertaining sized roof deck offering unobstructed 360 degree views of Back Bay/Financial District. 3 exposures. Full single pkg space for sale only 528FT away at 1313 Washington St is additional.