Parish Office
- Contact: Theresa Mai Tran
- Phone: 703-553-0370
- Office Phone: 703-553-0371
- Email: office@cttdva.com
Religious Education Office
- Contact: Rev. Peter Dinh Phuong Nguyen, O.P.
- Phone: 703-982-7515
- Email: religiousedu@cttdva.com
Vietnamese Office
- Contact:
- Phone: 703-982-7515
- Email: religiousedu@cttdva.com
Youth Ministry
- Contact: Quynh Mai Pham
- Phone: 703-982-7506
- Email: youthministry@cttdva.com