One California Plaza
18th tallest finished building in Los Angeles

One California Plaza is an office building in Downtown, Los Angeles, with 42 floors, finished in 1985. It stands 176.2 m (578 ft) tall, which makes it the 18th tallest finished building in Los Angeles.
- Height
- 176.2 m · 578 ft
- Rank in Los Angeles
- 18th of 25 listed
- Floors
- 42
- Completed
- 1985
- Use
- Office
- Area
- Downtown
- City
- Los Angeles, USA
Next to it in the ranking
16th · Wells Fargo South Tower184.8 m · 606 ft · 1984
17th · Olympic and Hill181 m · 594 ft · 2025
19th · Century Plaza Tower I174 m · 571 ft · 1975
20th · Century Plaza Tower II174 m · 571 ft · 1975
See all of Los Angeles'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 Los Angeles. Last checked 2 Nov 2026.