Data Center development giant QTS has signed a headquarters office lease at Comstock’s mixed-use Reston Station. Photo credit: Bisnow/Emily Wishingrad Comstock's Reston Row Plaza office buildings at Reston StationThe Blackstone -owned company inked a deal for 77K SF at 1800 Reston Row Plaza, taking the top three floors of the new trophy office building, Comstock announced Monday. The federal contracting giant took the entire building at 1870 Reston Row Plaza and multiple floors of 1800 Reston Row Plaza for a total of 310K SF. Then, last quarter, the company added another floor to its space at 1800 Reston Row Plaza, according to CBRE’s second-quarter report. ET: This story has been updated to include information from Comstock about Reston Row Plaza’s availability.