| Mark W. Stiles Unit | |
| Pushpin Map: | USA Texas |
| Pushpin Map Caption: | Location in Texas |
| Location: | 3060 FM 3514 Beaumont, Texas 77705 |
| Status: | Operational |
| Classification: | List of security classification of the Texas Department of Criminal Justice |
| Capacity: | 2,981 |
| Opened: | June 1993 |
| Managed By: | TDCJ Correctional Institutions Division |
| Warden: | Calvin Tucker |
| County: | Jefferson County |
| Country: | United States |
Mark W. Stiles Unit is a Texas Department of Criminal Justice men's prison located in an unincorporated area of Jefferson County, Texas,[1] near Beaumont. The unit, located along Farm to Market Road 3514, is 4miles southeast of downtown Beaumont. The approximately 776acres unit is co-located with the Gist Unit and the LeBlanc Unit.[2]
The unit opened in June 1993. The unit serves as the University of Texas Medical Branch hub site for treatment of HIV and other infectious diseases.[2] As a result, the Stiles facility houses many HIV positive prisoners.[3] A hospice for prisoners with HIV opened at Stiles in 1997.[4]
The unit has offered Buddhist meditation classes since 2003.[5]
In 2011 the metal products plant closed; its operations were consolidated to the plants at the Coffield Unit and the Powledge Unit.[6]