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Tallest tower in Boston's financial district lands $575 million refinancing

Winthrop Center’s occupancy, long lease terms help attract lenders
The 53-story Winthrop Center was completed in 2023 and includes offices and residences. (CoStar)
The 53-story Winthrop Center was completed in 2023 and includes offices and residences. (CoStar)
CoStar News
August 6, 2026 | 8:50 P.M.

Millennium Partners has secured a $575 million loan to refinance the office portion of Winthrop Center, the 691-foot tower that ranks as the tallest building in downtown Boston's financial district.

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