Shinjuku Mitsui Building
19th tallest finished building in Tokyo

Shinjuku Mitsui Building is a building in Tokyo, with 55 floors, finished in 1974. It stands 225 m (738 ft) tall, which makes it the 19th tallest finished building in Tokyo.
- Height
- 225 m · 738 ft
- Rank in Tokyo
- 19th of 23 listed
- Floors
- 55
- Completed
- 1974
- City
- Tokyo, Japan
Next to it in the ranking
17th · Shibuya Scramble Square230 m · 754 ft · 2019
18th · Blue Front Shibaura Tower S229 m · 751 ft · 2025
20th · Tokyu Kabukicho Tower225 m · 738 ft · 2023
21st · Shinjuku Center Building223 m · 731 ft · 1979
See all of Tokyo'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 Tokyo. Last checked 2 Nov 2026.