Four I
3rd tallest finished building in Frankfurt

Four I is a mixed-use building in Frankfurt, with 59 floors, finished in 2025. It stands 233 m (764 ft) tall, which makes it the 3rd tallest finished building in Frankfurt.
- Height
- 233 m · 764 ft
- Rank in Frankfurt
- 3rd of 24 listed
- Floors
- 59
- Completed
- 2025
- Use
- Mixed-use
- City
- Frankfurt, Germany
Next to it in the ranking
1st · Commerzbank Tower258.7 m · 849 ft · 1997
2nd · Messeturm256.5 m · 842 ft · 1990
4th · Westendstrasse 1208 m · 682 ft · 1993
5th · Main Tower200 m · 656 ft · 1999
See all of Frankfurt'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 Frankfurt. Last checked 2 Nov 2026.