Howard County--homeless Shelter Clarksville, MD 21029 Phone : (410) 531-6677 Business Category Government Offices-County Social Service & Welfare Organizations Crisis Centers Individual & Family Social Services Government Offices & Public Schools Howard County--health Department, Addiction Services Clarksville, MD 21029 Phone : (410) 531-6677 Business Category Government Offices-County Social Service & Welfare Organizations Crisis Centers Individual & Family Social Services Government Offices & Public Schools Grassroots 6700 Freetown Rd Columbia, MD 21044 Phone : (410) 531-6677 Grassroots Business Category Social Service & Welfare Organizations Crisis Centers Individual & Family Social Services