St. Mary’s County Detention Center Visitor Information & Inmate Locator- Prison Inmate Search

St. Mary’s County Detention Center

St. Mary’s County Detention Center

41880 Baldridge Street, Leonardtown, MD 20650, Maryland

Phone :
Website :
Inmate Locator :

St. Mary’s County Detention Center Visiting Information:

Tues 6:30 PM - 9:30 PM Male Inmates with last name from A-M
Thurs 6:30 PM - 9:30 PM Male Inmates with last name from N-Z
Sun 12:30 - 1:30 All Female Inmates 1:30 - 2:30 All Male Inmates

Three 10 Minute visits per week
Children are ONLY allowed to visit the 2nd week of the month

Personal property may be dropped off within the first 72 hours of incarceration ONLY call for list of items allowed.

St. Mary’s County Detention Center Additional information:


PUBLISHER ONLY RULE: All books, periodicals or magazines must be sent to the inmates by the publisher. All books must be soft bound, any hard back books will be returned to sender. Books publications or magazines received from any other source are returned to sender.
POSTAL SERVICE: Mail is defined as any written communication or parcel from one person or entity to another. There is no limit on the volume of mail an inmate receives or the length, language, content or source of mail with the following exceptions: All correspondence must be written on plain white paper / stationery no larger than 8-1/2” X 11”, contain no more than three (3) Photographs (up to 5” x 7”), hard core pornography, manuals for making weapons or explosives, greeting cards, coloring book pages / drawings/hand drawn pictures, scribbling, glitter, etc… or any other letters, books, magazines or periodicals that pose a threat to the order, welfare and/or security of the facility. All mail (letter or packages) addressed to or intended for inmates or detainee’s must arrive at the Detention Center via the United States Postal Service, the St. Mary’s County Government Metro Mail, Federal Express, United Parcel Service (UPS) or any other regulated delivery service.
ADDRESS EXAMPLE: John R. Doe St. Mary’s County Detention Center 41880 Baldridge Street Post Office Box 960 Leonardtown, Maryland 20650


A cooperative effort with the Board of Education and the Literacy Council, the Detention Center Literacy Program continues to provide remedial education and preparation to inmates for the general educational development (GED) test. The Board of Education provides these services to the inmates and detainees three days a week.


image of handcuffsThe Detention Center in partnership with Walden-Sierra, Inc., provides a variety of programs to the male and female inmate. These programs include:

• Alcohol and Drug Education
• Domestic Violence / Anger Management
• Health and Nutrition
• Substance Abuse Counseling
• Parenting Skills
• Mental Health Counseling

For more information on Inmate Programs, please contact:
Glenda R. Thompson
Programs Administrative Coordinator
Office: (301) 475-4200 ext. 2250
Fax: (301) 475-4010
Main Line to Detention Center: (301) 475-4200 ext. 3200


No time limit unless space availability is limited.

St. Mary’s County Detention Center Description:

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