Catholic Charities of the Archdiocese of Washington | 4,427 followers on LinkedIn. Inspiring Hope. Building Futures. | Founded in 1929, Catholic Charities is the social ministry outreach of the Archdiocese of Washington, serving Washington, D.C., and the surrounding Maryland counties of Montgomery, Prince George’s, Calvert, Charles and St. Mary’s. Catholic Charities DC is the most comprehensive social service provider in the D.C. metropolitan region.