MASAC at Plymouth Overview
MASAC at Plymouth is operated by the Massachusetts Department of Correction at 1 Bump Pond Road in Plymouth. Mass.gov describes the Massachusetts Alcohol and Substance Abuse Center as a unique facility for civilly committed male patients in an up-to-90-day detoxification program. The legal path is different from arrest booking at the Plymouth County Correctional Facility: MASAC receives people through a court-ordered civil commitment process under M.G.L. c. 123, Section 35.
DOC annual-report material identifies MASAC as a minimum-security facility. The report says MASAC opened at Plymouth in 2017 for Section 35 substance-use services and had an operational capacity of 251 in FY2023. Recovery Solutions is identified in the Mass.gov description as the healthcare vendor responsible for patient management services, including non-uniformed clinical staff, Opioid Treatment Program services, mental-health programming, on-site safety operations, and emergency trips. DOC remains responsible for perimeter security, scheduled trips, and the physical structures.
Because MASAC is a treatment and civil commitment facility, a searcher should avoid the ordinary county-jail assumptions. The Plymouth County Sheriff's Department does not run MASAC, and a county jail roster is not the right tool for locating a MASAC patient. Use the DOC/VINELink route, then call MASAC or the court-connected source when a result needs confirmation.
MASAC at Plymouth Capacity and Population
The DOC FY2023 annual-report figures list MASAC with operational capacity of 251, average daily population of 64, and a January 1, 2024 population of 59. Those numbers should be read as DOC reporting snapshots, not live counts. Section 35 commitments can be short, and the Mass.gov description frames treatment as lasting up to 90 days.
| Measure | Figure | Source Context |
|---|---|---|
| Facility type | Minimum security | DOC FY2023 annual report |
| Population held | Civilly committed male patients | Mass.gov MASAC facility description |
| Treatment term | Up to 90 days | Mass.gov description and Section 35 context |
How to Look Up a Person at MASAC at Plymouth
For MASAC at Plymouth, use the state route: the Mass.gov Find an inmate in a Massachusetts prison instructions and the Massachusetts VINELink portal. VINELink is the public custody-status and notification channel Mass.gov points users to for DOC custody. It is not the same as the Plymouth County Correctional Facility phone/records route, and it may not display every treatment, medical, court, or classification detail.
- Open the Mass.gov DOC inmate-lookup instructions and follow the link to Massachusetts VINELink.
- Search by exact name, and add an identifier if the family, attorney, court, or DOC source has one.
- Check whether the custody result identifies a DOC facility and confirm that the location is MASAC at Plymouth.
- Use VINELink registration only for custody-status notifications; do not treat it as a full clinical, court, or treatment record.
- Call MASAC at Plymouth when a visit, patient communication, or urgent status question must be verified before travel.
Lookup distinction: MASAC is a DOC Section 35 civil commitment facility. Search DOC/VINELink for custody status, not the county jail roster or a Plymouth County booking page.
Official Facility Source
The official Mass.gov MASAC at Plymouth location page is the facility source matched to the image below and should be checked before relying on address, phone, or visitor information.
That page supports the central distinction for searchers: MASAC is part of Massachusetts DOC and is described as a treatment facility for civilly committed patients, so county jail procedures do not control lookup or visits.
MASAC at Plymouth Address and Contact
Use the facility contact card for direct MASAC questions about visiting, mail handling, or how to route a patient-specific inquiry. For records that are broader than a simple custody check, Massachusetts public records rules may require a request to the agency that created or received the record. M.G.L. c. 66, Section 10 sets the public-records request framework, while CORI, privacy, medical, security, and court-impoundment rules can limit what is released.
MASAC at Plymouth
1 Bump Pond Road
Plymouth, MA 02360
(508) 291-2441
Confirm visiting, mail, and patient-contact procedures with the facility or DOC before travel.
Visiting Someone at MASAC at Plymouth
MASAC visits follow DOC facility procedures, not the Plymouth County Correctional Facility visitor booklet. MASAC and the other DOC facilities in Plymouth County use DOC facility visitation procedures and DOC visitor application channels. Because MASAC involves civil and clinical treatment status, confirm approval, scheduling, identification, and any patient-specific limit directly with MASAC or DOC before arriving.
| Visitation Item | MASAC Route | Why It Matters |
|---|---|---|
| Approval | Use DOC facility procedures and visitor application | PCCF's county five-person visitor-list rules are not the MASAC rules. |
| Scheduling | Confirm with MASAC/DOC before travel | No fixed MASAC schedule was available in the official source material used here. |
| Identification | Bring government photo ID if approved to visit | DOC facilities generally verify approved visitors at entry. |
| Clinical limits | Ask the facility about patient-specific restrictions | Treatment status can affect contact in ways a jail roster will not show. |
Mail, Phone, and Money at MASAC at Plymouth
Mail, phone, and account rules for MASAC should be checked through DOC and the MASAC facility page rather than Plymouth County jail instructions. PCCF has separate county mail-scanning and Access Corrections rules, but MASAC, MTC, OCCC, and BSH are DOC facilities with their own DOC rules. Do not mail Section 35 patient correspondence to PCCF unless a DOC or MASAC instruction specifically tells you to do so.
| Service | Use for MASAC |
|---|---|
| Personal mail | Confirm the current DOC/MASAC mailing format with the facility. |
| Legal or court mail | Use the exact DOC/facility instruction for privileged mail and include identifying information requested by the facility. |
| Phone contact | Ask MASAC about approved patient calls and treatment-related communication limits. |
| Money or property | Use only the DOC or facility-approved process; PCCF commissary/kiosk rules are not MASAC rules. |
Admission and Section 35 Intake at MASAC at Plymouth
MASAC admissions are better described as civil commitment and treatment intake than jail booking. Section 35 is the statute feeding MASAC: courts may order commitment for alcohol or substance-use disorder treatment when statutory criteria are met. Mass.gov describes the program as detoxification and treatment for up to 90 days, and the DOC annual-report material describes a therapeutic environment rather than ordinary criminal-sentence housing.
That distinction affects records. Court files may show a commitment event, DOC/VINELink may show custody status, and MASAC may control practical questions about patient contact or visits. Medical, treatment, privacy, CORI, security, and impoundment limits may restrict what is publicly released even when a custody status can be confirmed.
About MASAC at Plymouth
DOC annual-report material says MASAC was initially ACA-accredited in 1993, opened as a mission-changed facility in 2002, and opened at Plymouth in 2017 for Section 35 substance-use services. The Mass.gov description also notes the May 2020 vendor role for Recovery Solutions, including patient management services and expanded treatment supports such as Opioid Treatment Program services.
For Plymouth County custody searches, MASAC fills a narrow role. It is physically in Plymouth County, but it is not the county jail, not a sheriff's roster, and not a criminal booking gallery. It should be treated as a DOC civil treatment facility with DOC locator, DOC visitation, and facility-specific contact rules.
Confirm first: Verify custody status, visiting approval, and patient-contact rules with DOC or MASAC before traveling to Bump Pond Road.
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