Souza-Baranowski Correctional Center opened in 1998, and is a maximum security prison located in Lancaster Massachusetts. The facility can house a maximum of 1,410 male inmates, and is the only maximum security prison in the state. Souza-Baranowski Correctional Center is comprised of three buildings. The main building contains all the housing units and work programs. General population housing units are two tiered, with double bunked inmate cells usually having a capacity of around 92 per unit.
In addition to housing maximum security inmates, Souza-Baranowski Correctional Center is responsible for the diagnostic and classification of all males who enter into the Department of Corrections custody.