Do all the living units in an apartment building need to be accessible?
Accessibility is required to all covered multifamily dwellings on the lowest floor in buildings without elevators. Certain exceptions apply to multistory units, or smaller buildings such as single or duplex units. In covered multifamily dwellings in buildings with elevators, all units are required to be located on an accessible route. Within the units, the requirements are for accessibility are allowed to be for adaptable dwelling units.