Ernestine Glossbrenner Unit is a state prison in San Diego, Texas, run by the Texas Department of Criminal Justice (TDCJ). The state classifies it as minimum security. Federal facility data from 2020 put its capacity at about 612 beds.
Ernestine Glossbrenner Unit Address and Phone
- Facility type
- State prison
- Address
- 5100 South FM 1329, San Diego, TX 78384Open in Google Maps
- Main phone
- (361) 279-2705
- Operated by
- Texas Department of Criminal Justice (TDCJ)
- County
- Duval County
How to Find an Inmate at Ernestine Glossbrenner Unit
People serving state sentences are listed in the state's offender search, not on county jail rosters. Search by last and first name, or by the state inmate number if you have it; the result shows where the person is held now, which can change after a transfer.
Visiting, Mail and Phone Calls
Visiting days, visitor approval, dress rules and the mailing format for letters are set by the Texas Department of Criminal Justice (TDCJ) and can change at short notice. Read the official facility page and call ahead before you travel.
Jails and Police Near Ernestine Glossbrenner Unit
Anyone arrested near San Diego is booked into the county jail first; a state facility only receives people after sentencing, commitment or transfer.
Other State Prisons in Texas
Open status checked against the official tdcj.texas.gov facility listing in November 2026. Address and phone come from that listing or, where it shows none, from the federal HIFLD prison dataset. This page lists no inmates.