Massachusetts Treatment Center
Massachusetts Treatment Center
State Medium Security Treatment FacilityMailing Address
[Resident Full Name] — [Commitment Number if known]
Massachusetts Treatment Center
30 Administration Road
Bridgewater, MA 02324
Massachusetts Treatment Center
30 Administration Road
Bridgewater, MA 02324
Physical Address
30 Administration Road, Bridgewater, MA 02324
Phone
Governing Agency
Massachusetts Department of Correction
Inmate ID
Commitment Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Address correspondence to the resident's full legal name and commitment number if known at 30 Administration Road, Bridgewater, MA 02324. Include a complete return address.
Source: Official sourceLast verified: September 27, 2026
Photos must follow current Massachusetts DOC content and security rules.
Source: Official sourceLast verified: September 27, 2026
Books/publications must comply with current Massachusetts DOC and Massachusetts Treatment Center rules.
Source: Official sourceLast verified: September 27, 2026
Do not send cash; use an approved account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current Massachusetts Treatment Center visiting schedule and approval requirements before travel.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Address correspondence to the resident's full legal name and commitment number if known at 30 Administration Road, Bridgewater, MA 02324. Include a complete return address.
About Massachusetts Treatment Center
Massachusetts Treatment Center is an active medium-security facility separately housing sentenced men identified as sex offenders and persons civilly committed as sexually dangerous persons.