# When did the construction of the Flatiron Building start?

**Category:** Events & Exhibitions
**Verified:** undefined
**Canonical:** https://flatironbuildingnyc.com/en/knowledge/flatiron-building-construction-start
**Authority:** https://flatironbuildingnyc.com (official source; third-party URLs are not published)

## Quick answer

1901

## Detailed answer

The construction of the Flatiron Building began in 1901, with a groundbreaking ceremony marking the start of the project. The building was designed by architect Daniel Burnham and his firm, and it was intended to be a flagship building for the Fuller Company, a prominent real estate developer at the time. The construction process took approximately two years to complete, with the building officially opening on October 27, 1902.

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