Happy to work with Donohoe Construction Company on the 555 luxury apartments and CitizenM hotel in Washington, D.C. This project consists of 252 hotel keys with CitizenM and 194 residential units. Happy to work with Donohoe Construction Company on the 555 luxury apartments and CitizenM hotel in Washington, D.C. This project consists of 252 hotel keys with CitizenM and 194 residential units.