Redgranite Correctional Institution

Redgranite Correctional Institution
Redgranite Correctional Institution pictured in July 2024
Interactive map of Redgranite Correctional Institution
LocationRedgranite, Wisconsin
StatusOperational
Security classMedium
Capacity990 males (operating)
Population1,033 males (as of 2025)
OpenedJanuary 8, 2001
Managed byWisconsin Department of Corrections
Division of Adult Institutions
WardenMichael Gierach

The Redgranite Correctional Institution is a medium security adult male correctional institution located in Redgranite, Wisconsin, in the United States.

The prison is operated by the Wisconsin Department of Corrections. Groundbreaking occurred on June 18, 1999, and it opened on January 8, 2001. Boldt Construction Company built it for the state at a cost of $52.9 million. The prison encompasses 89 acres of land, 22 acres of which are within the perimeter. In 2025, Redgranite reported operating expenditures of $49,531,951 for a per capita of $48,230.