 Although it at first appears Hodgins and Zack are roommates, it is later revealed he rents the apartment over Hodgins' garage.Zack also carpools with Hodgins because he can neither drive a car nor ride a bike.He once made a comment to Booth that, if Booth shared Zack's knowledge of Structural Engineering, he would be afraid to drive as well (Season 1 "The Man on Death Row").