 The dzong was built in 1659 by Trongsa Penlop Minjur Tenpa and served for centuries as an administrative headquarters and monastery, though government offices mostly relocated by 2011.Its sinking eastern foundation and crumbling upper walls necessitated either relocation or total destruction and reconstruction, according to dzongkhag officials.However, , the Trashigang Dzong was still used for the town's yearly tsechu.