The mission of the Department of Correction is to maintain secure humane Correctional Facilities that comply with local, state and Federal legal requirements and nationally Accepted Professional correctional standards.   The Department has a legal mandate to provide for the care custody and control of persons 16 years of age and older, male and female, who have been committed or remanded to it's facilities by local Westchester County or New York State courts.  

Located on the Valhalla Campus the Department of Correction encompasses nearly 1/2 mile, with more than 940,000 square feet of building space.

The Department is currently comprised of three divisions; Administration, Jail, Penitentiary. 

On January 1, 1969 the Westchester County Department of Correction was formed from units of  the former Westchester County Sheriff's Department and the Westchester County Department of Social Services and placed under a central administration with a Commissioner appointed by the County Executive.