| Adams Police Department Lockup | Municipal lockup | Berkshire County | View facility → |
| Ash Street Jail and Regional Lock-Up | Regional jail / lockup | Bristol County | View facility → |
| Barnstable County Correctional Facility | County jail / HOC | Barnstable County | View facility → |
| Barnstable County municipal police lockups | Grouped municipal lockups | Barnstable County | View facility group → |
| Berkshire County Jail and House of Correction | County jail / HOC | Berkshire County | View facility → |
| Boston Police Department district-station lockups | Grouped municipal lockups | Suffolk County | View facility group → |
| Boston Pre-Release Center | State pre-release prison | Suffolk County | View facility → |
| Bridge to the Future | County halfway / work-release custody | Hampshire County | View facility → |
| Bridgewater State Hospital | State secure hospital | Plymouth County | View facility → |
| Bristol County House of Correction and Jail | County jail / HOC | Bristol County | View facility → |
| Bristol County Modular Building | County custodial unit | Bristol County | View facility → |
| Bristol County Women's Center | County women's custodial unit | Bristol County | View facility → |
| Dalton Police Department Lockup | Municipal lockup | Berkshire County | View facility → |
| Dedham Alternative Center | County step-down unit | Norfolk County | View facility → |
| Dukes County Jail and House of Correction | County jail / HOC | Dukes County | View facility → |
| DYS secure residential network beyond Northeast Youth Service Center | Juvenile secure residential network | Statewide | Uncovered individual facilities |
| Essex County Pre-Release and Re-Entry Center | County pre-release unit | Essex County | View facility → |
| Federal Medical Center Devens (FMC Devens) | Federal medical center | Middlesex County | View facility → |
| Franklin County Jail and House of Correction | County jail / HOC | Franklin County | View facility → |
| Great Barrington Police Department Lockup | Municipal / shared lockup | Berkshire County | View facility → |
| Hampden County Correctional Center (Main Institution) | County jail / HOC | Hampden County | View facility → |
| Hampshire County Jail and House of Correction | County jail / HOC | Hampshire County | View facility → |
| Hampshire County Sheriff's Regional Police Lock-Up | Regional lockup | Hampshire County | View facility → |
| Lee Police Department Lockup | Municipal lockup | Berkshire County | View facility → |
| Lemuel Shattuck Hospital Correctional Unit | State secure hospital unit | Suffolk County | View facility → |
| MASAC at Plymouth | State secure treatment custody | Plymouth County | View facility → |
| Massachusetts Treatment Center | State correctional / civil commitment | Plymouth County | View facility → |
| MCI-Framingham | State prison | Middlesex County | View facility → |
| MCI-Norfolk | State prison | Norfolk County | View facility → |
| MCI-Shirley | State prison | Middlesex County | View facility → |
| Middlesex Jail & House of Correction | County jail / HOC | Middlesex County | View facility → |
| Middlesex Sheriff's Office Women's Pre-Release Center | County pre-release unit | Middlesex County | View facility → |
| Middleton Jail & House of Correction | County jail / HOC | Essex County | View facility → |
| Municipal police lockups in Worcester County | Grouped municipal lockups | Worcester County | View facility group → |
| Nantucket County Sheriff's Office Contingency Holding Cells | Contingency holding cells | Nantucket County | View facility → |
| Nantucket Police Department Temporary Lockup | Municipal lockup | Nantucket County | View facility → |
| North Adams Police Department Lockup | Municipal lockup | Berkshire County | View facility → |
| North Central Correctional Institution | State prison | Worcester County | View facility → |
| Northeast Youth Service Center | Juvenile secure center | Essex County | View facility → |
| Northeastern Correctional Center | State pre-release prison | Middlesex County | View facility → |
| Old Colony Correctional Center | State prison | Plymouth County | View facility → |
| Pittsfield Police Department Lockup | Municipal lockup | Berkshire County | View facility → |
| Plymouth County Correctional Facility | County jail / HOC and ICE contract site | Plymouth County | View facility → |
| Pondville Correctional Center | State pre-release prison | Norfolk County | View facility → |
| South Bay House of Correction / Suffolk County House of Correction | County HOC | Suffolk County | View facility → |
| Souza-Baranowski Correctional Center | State prison | Worcester County | View facility → |
| Stonybrook Stabilization and Treatment Center | Regional secure treatment center | Hampden County | View facility → |
| Suffolk County Community Corrections Center | County pre-release / community corrections | Suffolk County | View facility → |
| Suffolk County Jail / Nashua Street Jail | County pretrial jail | Suffolk County | View facility → |
| WCSO Intake, Medical, and Regional Lock-Up Unit | County intake / regional lockup | Worcester County | View facility → |
| Western Massachusetts Recovery and Wellness Center | Regional minimum-security custody | Hampden County | View facility → |
| Western Massachusetts Regional Women's Correctional Center | Regional women's jail / HOC | Hampden County | View facility → |
| Williamstown Police Department Lockup | Municipal lockup | Berkshire County | View facility → |
| Women in Transition Center | County women's pre-release center | Essex County | View facility → |
| Worcester County Jail & House of Correction | County jail / HOC | Worcester County | View facility → |
