2010 ADA Standards for Accessible Design Pocket Guide
208.2.3 Residential Facilities.
Parking spaces provided to serve residential facilities shall comply with 208.2.3.
Where at least one parking space is provided for each residential dwelling unit, at least one parking space complying with 502 shall be provided for each residential dwelling unit required to provide mobility features complying with 809.2 through 809.4
Where the total number of parking spaces provided for each residential dwelling unit exceeds one parking space per residential dwelling unit, 2 percent, but no fewer than one space, of all the parking spaces not covered by 184.108.40.206 shall comply with 502.
Where parking spaces are provided for persons other than residents, parking shall be provided in accordance with Table 208.2.