Redgranite Correctional Institution
Redgranite Correctional Institution pictured in July 2024 | |
Interactive map of Redgranite Correctional Institution | |
| Location | Redgranite, Wisconsin |
|---|---|
| Status | Operational |
| Security class | Medium |
| Capacity | 990 males (operating) |
| Population | 1,033 males (as of 2025) |
| Opened | January 8, 2001 |
| Managed by | Wisconsin Department of Corrections Division of Adult Institutions |
| Warden | Michael 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.