Southern Maryland Pre-Release Unit (SMPRU) (MD) Inmate Search and Jail Information

14320 Oaks Road, Charlotte Hall, MD, 20622
Southern Maryland Pre-Release Unit (SMPRU) Website

Southern Maryland Pre-Release Unit (SMPRU) is a high security state prison located in city of Charlotte Hall, St. Mary's County, Maryland. It houses adult inmates (18+ age) who have been convicted for their crimes which come under Maryland state law. A large portion of the inmate's serving time in this jail are condemned for the time of over a year and are condemned for wrongdoings which are not kidding in nature. The jail is worked and kept up by state prison.

Below we have given information about the Southern Maryland Pre-Release Unit (SMPRU) including inmate search, contact details, visitation hours, driving directions and mailing information.

Southern Maryland Pre-Release Unit (SMPRU) Prison Information

Jail Name: Southern Maryland Pre-Release Unit (SMPRU)
Jail Type: State Prison
Location: 14320 Oaks Road, Charlotte Hall, MD, 20622
Contact Numbers: 301-274-4701
City: Charlotte Hall
Zip/Postal Code: 20622
State: Maryland
County: St. Mary's County

Southern Maryland Pre-Release Unit (SMPRU) Inmate Search

If you are searching for information of any inmate that is currently housed at Southern Maryland Pre-Release Unit (SMPRU), you can visit the the official inmate lookup link by clicking here. You can also call the jail / prison on 301-274-4701 to enquire about the inmate.

Note: Keep in hand inmate information like Full Name, age, sex, DOB and inmate ID.

However, If you are still unable to lookup the whereabouts of the inmate, then you can try finding on Maryland statewide inmate search page.

Sending a Package / Mail

You can send any mail to the inmates who are imprisoned in their respective jail / prison. Please send the mail or package to the address mentioned below.

Inmate Name,
Inmate ID
14320 Oaks Road, Charlotte Hall, MD, 20622

Please make sure the mail or package that you are sending comes under the list of approved items. For further clarification on the allowed items, contact the prison administration directly on 301-274-4701.

Note: In case you want to send packages, you need to get prior approval from the prison administration. Contact the prison / jail staff for more information.

Sending Money

Inmates who are currently imprisoned can receive money into their commissary account via money order, check or cash. Inmate visitors can also deposit money directly into the inmate's account at prison administrative office.

Note: When sending the money via money order or check, mention the inmate id and full name on the back of the slip.

Phone calls:

Inmates can call to any person outside who are on the approved members list between 7:00 AM to 7:30 PM. The cost of the call is beared by the receiver and the call can be of maximum 30 minutes. During rush hours, the calling time is reduced drastically to 10 minutes.

Visitation Rules

You need to get yourself registered in the visitors list before visiting any inmate in the prison. If you are visiting someone in Southern Maryland Pre-Release Unit (SMPRU), make sure you are in approved visitors list. Confirm with the prison authorities before coming to visit the inmate.

Listed below are the basic visitation rules which one must adhere to:

  • Visitor must not be a prior felon.
  • Visitor must have a valid government ID.
  • A legal guardian must be accompanied for children below 16 years of age.
Visitation Hours











9:00 AM to 3:00 PM


9:00 AM to 3:00 PM



If you have visited Southern Maryland Pre-Release Unit (SMPRU) recently or have any experience to share, fill the comment section below.