45 Province is a 32-story 137-unit high-rise condominium building constructed in 2009. 45 Province offers countless amenities and European elegance in a full-service 24-hour concierge building with valet parking. With keyed access to each floor, these thoughtfully designed condominiums feature bamboo floors, nine-foot ceilings and floor-to-ceiling windows with awesome views of The Boston Common, Back Bay, Charles River, Financial District, and Boston Harbor. State-of-the-art kitchens feature designer European cabinetry, quartz or granite countertops, and Bosch/Miele appliances. Sumptuous baths include custom glass bathroom vanities, quartz counter tops, and Waterworks fixtures. Most of these luxury loft style condos have private outdoor spaces and some have duplex layouts. Valet parking is included with most units. Condominiums range from . Units range from 535 to 3319 sq. feet.

Building amenities at 45 Province include a 40-ft. four-season heated lap pool with adjacent seating, relaxation lounge, Mind Body Spa, rooftop deck, and deluxe fitness center. Personal training and yoga are available upon request. The on-site Exhale Spa offers facials, massage, acupuncture, and manicures. Other building amenities include a resident dining room and adjoining catering kitchen, residents library, and screening room. On-site restaurants include Marliave and KO Prime.

45 Province is located in the heart of the city at the foot of Beacon Hill, steps to the Financial District, Boston Common and Government Center, Beacon Hill, and The Financial District.