GTSI's 700 employees will be moving into the building in December from its current site at 3901 Stonecroft Blvd., where GTSI's lease is expiring. Cushman & Wakefield's Kirk Boyd, Jude Collins and Bob Walker represented GTSI Corp..

Asking rates for the new building are between $36 per sf and $37 per sf, Collins tells GlobeSt.com. He says Fifield will deliver the building in February or March and GTSI will begin its interior fit out soon after. GTSI has taken the first, fifth, sixth, seventh and eighth floors, according to Collins.

Dulles View is part of a glut of buildings coming online in Northern Virginia that having a dampening effect on occupancy rates. According to GVA Advantis' Q4 statistics, of the 4.9 million sf of new office product delivered to Northern Virginia in 2007, 59.5% still remains vacant. In Reston/Herndon, according to the report, 1.2 million sf of office space delivered over the last year and only 26.7% of that space was occupied at the end of 2007. "Despite the low occupancy rate in newly delivered buildings in Reston/Herndon, there was still 1.4 million sf under construction with a prelease rate of only 28.3% by the close of 2007," the report says.