300 Colorado
23rd tallest finished building in Austin

300 Colorado is an office building in Austin, with 34 floors, finished in 2021. It stands 135.8 m (446 ft) tall, which makes it the 23rd tallest finished building in Austin.
- Height
- 135.8 m · 446 ft
- Rank in Austin
- 23rd of 25 listed
- Floors
- 34
- Completed
- 2021
- Use
- Office
- City
- Austin, USA
Next to it in the ranking
21st · Fifth & West139.9 m · 459 ft · 2019- 22nd · Vesper138.7 m · 455 ft · 2024
24th · Spring132.3 m · 434 ft · 2009
25th · Northshore129.3 m · 424 ft · 2016
See all of Austin'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 Austin. Last checked 2 Nov 2026.