St. Xavier's University, Kolkata has an Administrative Block (G+4) named as Loyola Tirtha. It consists of all the administrative offices of the University i.e., Offices of the Vice-Chancellor, Pro-Vice-Chancellor, Registrar, Controller of Examinations, IQAC, Campus Minister and Liaison Officer respectively.

It also has Board Room, Conference Room, Meeting Rooms and Dining Room for the University staff members. The Bank (Canara Bank, SXUK Campus Branch) will be shifted to this building shortly.