Garrahan Estate is a is a high-rise tower that was the home of Vivian Garrahan, the CEO of Garrahan Mining, with multiple floors connected by an elevator and several staircases. The lowest floor served as a lobby. It's a single room with two exits and an elevator shaft. The next floor has several empty cages with some plants still inside. The third floor contains a bedroom and study. Brighton Gould's terminal can be found in the study located to the right as you exit the elevator on the fourth floor.
- A straight jacket can be found in a closet.
- 艾薩克給樹懶的訊息 - 三樓電梯出來對面桌上。
- 找不到鑰匙卡 - 一樓電梯入口旁桌上。
- 旋轉機槍 - 在二樓和三樓之間的那層，在一個需要難度3終端機解鎖的區域。
- 突襲者召回門禁卡 - 在頂樓展示車的車屁股，狼的貯藏物品內，披著羊皮的狼任務道具。
A keycard is required to enter the elevator, and three can be found at Garrahan Mining Headquarters. One is on the desk in Vivian Garrahan's office, another on the desk in the small side office in the nearby Admin area, and the third laying on a machine next to the service door at the lower end of the underground railway accessed via the R&D section.
Garrahan Estate appears only in Fallout 76.