Trinity Development Corporation (TDC) was incorporated in June 2001 and established as a nonprofit (501) (c)(3) organization in June 2003. Founded to address the growing social and economic needs of District residents.

An outgrowth of work initially performed by members of the historic Trinity Episcopal Church, located in Ward 4 of the District of Columbia. Founded to address the growing social and economic needs of District residents, TDC is primarily focused on the health and well being of residents throughout the Washington, DC metropolitan area.