Two Logan Square
25th tallest finished building in Philadelphia

Two Logan Square is an office building in 100 N. 18th Street, Philadelphia, with 35 floors, finished in 1987. It stands 132.6 m (435 ft) tall, which makes it the 25th tallest finished building in Philadelphia.
- Height
- 132.6 m · 435 ft
- Rank in Philadelphia
- 25th of 25 listed
- Floors
- 35
- Completed
- 1987
- Use
- Office
- Address
- 100 N. 18th Street
- City
- Philadelphia, USA
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See all of Philadelphia'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 Philadelphia. Last checked 2 Nov 2026.