St. Mary’s Court is a non-profit corporation that operates a residential living facility for seniors 62 years of age or older or individuals with special accessibility needs. The facility includes 140 units in a nine-story high-rise apartment building with 17 one-bedroom apartments and 123 unfurnished efficiencies. The business is sponsored by the Episcopal Diocese and is financed by the U.S. Department of Housing and Urban Development (HUD).

The community is located in District of Columbia County, DC.