Palácio Duque de Caxias
Tallest finished building in Rio de Janeiro

Palácio Duque de Caxias is a government building in Rio de Janeiro, with 21 floors, finished in 1941. It stands 170 m (558 ft) tall, which makes it the tallest finished building in Rio de Janeiro.
- Height
- 170 m · 558 ft
- Rank in Rio de Janeiro
- 1st of 25 listed
- Floors
- 21
- Completed
- 1941
- Use
- Government
- City
- Rio de Janeiro, Brazil
Next to it in the ranking
See all of Rio de Janeiro's tallest buildings
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Heights, floors and years for finished buildings follow the CTBUH Skyscraper Center database (height to architectural top). Last checked 5 Nov 2026.