One Congress offers one million square feet of office space at Bulfinch Crossing, a transformative, 4.8-acre master development in the heart of downtown Boston that will include more than 800 residential units, extensive retail, and a vibrant net-zero pedestrian public square once complete. Towering at 600 feet, the building reconnects iconic downtown Boston neighborhoods and propels a heavily transit-served site into a 21st-century global center. Totaling 43 stories, One Congress features breathtaking and unparalleled 360-degree views, overlooking the Charles River, Boston Harbor, North End, Financial District, and Back Bay.