One America Plaza
Tallest finished building in San Diego

One America Plaza is an office building in San Diego, with 34 floors, finished in 1991. It stands 152.4 m (500 ft) tall, which makes it the tallest finished building in San Diego.
- Height
- 152.4 m · 500 ft
- Rank in San Diego
- 1st of 25 listed
- Floors
- 34
- Completed
- 1991
- Use
- Office
- City
- San Diego, USA
Next to it in the ranking
2nd · Symphony Towers152 m · 499 ft · 1989
3rd · Manchester Grand Hyatt San Diego151.5 m · 497 ft · 1992
See all of San Diego's tallest buildings
Talk about San Diego
Open the San Diego city forum for news, photos and questions about the skyline.
Heights, floors and years for finished buildings follow published figures, cross-checked with Wikipedia's list of tallest buildings in San Diego. Last checked 2 Nov 2026.