Perkins Eastman Research conducted post-occupancy evaluations of several existing dining rooms in senior living facilities to understand how these spaces are being designed and why users were reporting issues with perceived crowding. In addition to room size, we also investigated other aspects related to dining programs, including: private dining rooms, wait/serving stations, mobility assistance device storage, furniture and finish specifications, and anecdotal feedback about lighting and acoustics. The results of this study can be used by designers when making decisions about senior living dining room dimensioning and layout, taking into account project-specific factors such as occupant type and the prevalence of mobility assistance devices.