Business Directory

St. Mary's County Department of Aging & Human Services provides a wide variety of programs and services to the county's senior residents. Activities range from social and recreational programs to the direct support of essential services, such as nutrition, health, and in-home services.
The Division of Human Services helps support an array of programs and services to adults, families and children ; provides supportive services to children; and offers social, educational, and recreational activities to children and families.

A department of County Government that works to increase opportunities for business and job growth in St, Mary's County.

Local health department

Public Library

The St. Mary's County Public School System is a quality prekindergarten through 12th grade system located in beautiful Southern Maryland.  The system has 19 elementary schools (including a public charter school), 4 middle schools, 3  high schools, and a career/technology center.  The system also provides a comprehensive special education program for students ages birth through 21, middle and  high school summer school programs, and Educational Pathways--STEM Academies at all three levels that provide a rigorous curriculum focused on mathematics and science with an infusion of technology and engineering; an Academy of Finance; Academy of Visual and Performing Arts; Global and International Studies Academy; and alternative pathways to high school success (Fairlead Academy i and II which are 9th-12th grade programs geared toward preventing high school dropouts).

Full service law enforcement and corrections

St. Mary's Transit System (STS) provides public transportation services within St. Mary's County, connecting with Charles County's VanGO in Charlotte Hall, and Calvert County's Transit System in Solomon's Island, serving many destinations including employment locations, medical facilities, and shopping centers throughout the county. STS provides a disability discounted fare, a discounted fare for Senior Citizens, and  paratransit services to persons with disabilities who are qualified. Bike racks are available on some STS buses, and bikes are permitted in any available mobility device space.