This newly listed penthouse triplex is part of a redevelopment of 245 Commonwealth Avenue that left the Back Bay property with two condos total. The penthouse (a.k.a. Unit 2) is truly gargantuan: 4,390 square feet with four bedrooms and five full bathrooms, plus two decks and flourishes such as a chef's kitchen with walk-in pantry and a gas fireplace next to the soaking tub. The spread also comes with four parking spaces, including two garaged. These listing photos from Coldwell Banker represent the first look inside the penthouse, which is asking $8,650,000. Unit 1 at 245 Commonwealth is asking $6,995,000 for its 3,775 square feet; three bedrooms; and three and a half bathrooms. It also comes complete with four parking spaces.
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