Middlesex Superior Court takes indicted felonies from all cities and towns in the county. The Woburn clerk's office and probation share the Woburn line, and the clerk administration desk is 781-939-2803. In Lowell, probation is reached at 978-656-7850.

The trial court lists these District Courts and the towns they serve: - Ayer, 25 East Main Street, Ayer, MA 01432, 978-772-2100: Ashby, Ayer, Boxborough, Dunstable, Groton, Littleton, Pepperell, Shirley, Townsend, Westford and Devens. - Cambridge, 4040 Mystic Valley Parkway, Medford, MA 02155, 781-306-2715: Cambridge, Arlington and Belmont. - Concord, 305 Walden Street, Concord, MA 01742, 978-369-0500: Concord, Carlisle, Lincoln, Lexington, Bedford, Acton, Maynard and Stow. - Framingham, 600 Concord Street, Framingham, MA 01701, 508-875-7461: Ashland, Framingham, Holliston, Hopkinton, Sudbury and Wayland. - Lowell, 370 Jackson Street, Lowell, MA 01852, 978-459-4101: Billerica, Chelmsford, Dracut, Lowell, Tewksbury and Tyngsborough. - Malden, 4040 Mystic Valley Parkway, Medford, MA 02155, 781-322-7500: Malden, Melrose, Everett and Wakefield. - Marlborough, 45 Williams Street, Marlborough, MA 01752, 508-485-3700: Marlborough and Hudson. - Natick, sitting at 600 Concord Street, Framingham, MA 01701, 508-620-9110: Natick and Sherborn. - Newton, 1309 Washington Street, West Newton, MA 02465, 617-244-3600: Newton. - Somerville, 175 Fellsway, Somerville, MA 02145, 617-666-8000: Medford and Somerville. - Waltham, 38 Linden Street, Waltham, MA 02452, 781-894-4500: Waltham, Watertown and Weston. - Woburn, 30 Pleasant Street, Woburn, MA 01801, 781-935-4000: Burlington, North Reading, Reading, Stoneham, Wilmington, Winchester and Woburn.

Cambridge and Malden District Courts both sit at 4040 Mystic Valley Parkway in Medford, and Natick District Court holds its sessions inside the Framingham courthouse on Concord Street. Check the court name on the paperwork, not the town, before you go.

After arrest, the defendant is arraigned in the District Court for the town where it happened, and bail or release is decided there. Many cases are tried in that same court. Felonies that a grand jury indicts are sent to Superior Court in Woburn or Lowell. Confirm each hearing with the clerk, since dates are often continued.

Middlesex dockets are searchable on MassCourts, the trial court's public portal, linked from each courthouse page. Searching by name or docket number shows upcoming events and case status. The clerk for the court in question can explain anything that does not appear.

Warrants here are executed mostly by the police department of the city or town, for example Lowell Police at 978-937-3200 or Cambridge Police at 617-349-3300. The Sheriff's Office, 12 Gill Street, Suite 4700, Woburn, at 781-960-2800, runs the Billerica jail where warrant arrests are booked. Warrant status comes from the Massachusetts Probation Service at 617-727-5300; MassCourts tracks charges and hearings instead. To resolve one, go with a lawyer to the issuing court, surrender at Billerica, or have the clerk reschedule the hearing. Woburn District Court's clerk is at 30 Pleasant Street, Woburn, MA 01801.

The Committee for Public Counsel Services staffs a Lowell Trial Office at 40-44 Church Street, 4th Floor, Lowell, MA 01852, 978-458-7161, and a Framingham Trial Office at 298 Howard Street, Suite 300, Framingham, MA 01702, 508-620-0350. The arraignment judge appoints counsel for those who qualify.

Pretrial men and anyone sentenced to thirty months or less stay at the Middlesex County House of Correction, 269 Treble Cove Road, Billerica, MA 01862, 978-667-1711. The state's county capacity report for the fourth quarter of 2023 gives the Billerica facility a capacity of 1,501. Our inmate search page walks through confirming a booking, and the bail page has the evening cash window.

Federal prosecutions from this county are heard at the John Joseph Moakley U.S. Courthouse, 1 Courthouse Way, Suite 2300, Boston, MA 02210, 617-748-9152, which is the Boston division of the U.S. District Court for the District of Massachusetts.

The ICE Boston Field Office sits in Burlington at 1000 District Avenue, Burlington, MA 01803, 781-359-7500. People in its custody can be searched on the ICE locator. Tell the defense lawyer about immigration status early, since a plea can affect it.

Middlesex defendants sentenced beyond the county limit serve that time in a state prison under the Department of Correction. Find a prisoner with the state prison lookup on mass.gov or by phone through VINELink at 866-277-7477.