Peter J. Koutoujian
Middlesex Sheriff

On behalf of the men and women of the Middlesex Sheriff’s Office, I would like to welcome you to our new and expanded website.

As a place to share information on career opportunities, community programs, and inmate services, this site is a tool for us to enhance our community engagement. We hope you will find the information here valuable and informative!


Middlesex Sheriff’s Office cleans graffiti at Waltham Housing Authority properties »

Inmates from the Middlesex Sheriff’s Office (MSO) Community Work Program (CWP) were in

Sheriff Koutoujian welcomes DA Ryan for visit to MSO specialized treatment units »

Sheriff Peter J Koutoujian recently welcomed Middlesex District Attorney Marian Ryan to the Middlesex Jail & H

Sheriff Koutoujian honored with Valley Collaborative’s “Making a Difference” Award »

The Valley Collaborative, an alternative high school in Billerica for students with developmental