'Apartments' are complete lodging structures, which are a part of the whole building. Apartments in Castle Rock are often owned by the residents as co-operatives where they possess portions of a corporation or as apartments wherein the public spaces are shared by the residents of the apartments. In Castle Rock apartments are used mostly for giving rents by the building possessor. Apartments come in quite inexpensive rates for rental purposes in Castle Rock. There are different types of apartments which include one-bedroom, two-bedroom, three- bedroom, etc. In Castle Rock more than three-bedroom flat is uncommon. Various facilities are there in all kinds of apartments.