One Dalton

2nd tallest finished building in Boston

One Dalton is a mixed-use building in Boston, with 61 floors, finished in 2020. It stands 226 m (742 ft) tall, which makes it the 2nd tallest finished building in Boston.

Height

226 m · 742 ft

Rank in Boston

2nd of 25 listed

Floors

61

Completed

2020

Use

Mixed-use

City

Boston, USA

Next to it in the ranking

• 1st · Prudential Tower228 m · 749 ft · 1964
• 3rd · Winthrop Center211 m · 691 ft · 2023
• 4th · Millennium Tower209 m · 685 ft · 2016

See all of Boston's tallest buildings

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Heights, floors and years for finished buildings follow published figures, cross-checked with Wikipedia's list of tallest buildings in Boston. Last checked 2 Nov 2026.