Built between 1998 ad 2001, the tower stands at 140 m (460 ft) tall with 37 floors and is the current third tallest building in Austria.

The highest floor is 130 m above ground level; the roof height is 137 m. The IZD Tower is one of the tallest buildings in Vienna.

[3] In 2006, the British real estate fund Matrix Securities acquired the building from the investment firm Doughty Hanson & Co for 244 million euros.

[6] In the wake of the surveillance and espionage scandal in 2013, suspicions arose that a National Security Agency (NSA) listening post was located there, which could observe the UNO City, which is only 40 meters away.

[7] In September 2014, photos were leaked to the press showing special structures on the roof of the tower.