Abstract: A multistory apartment building complex may comprise vertically stacked modules and includes one or more vehicle parking levels grade and one or more dwelling unit levels vertically stacked above the vehicle parking levels. At least one of the parking levels includes private garages for at least selected ones of the dwelling units and occupants of the selected dwelling units may move between their own garage and their dwelling unit via an elevator extending directly to the individual dwelling units on each level. The elevators may also serve plural dwelling units on each dwelling unit level. A service corridor is provided on selected dwelling unit levels which may be accessed by a service elevator or spaced apart stairways to provide secondary access between each dwelling unit on each dwelling unit level and street level. Each dwelling unit may include a small service room having a lockable door between the service room and the dwelling unit and a door opening to the service corridor.