The Office of Auxiliary Services is responsible for a broad range of services and programs that include Campus Card, Catering, Dining Services, Laundry, Mail Services, Parking & Transportation, Vending Machines, and Stockroom and Central Receiving.

The Campus Card is the official Rensselaer ID card and is an important aspect of daily campus life.

Rensselaer is committed to proving a well-rounded culinary experience morning, noon and night.

Washers and dryers are provided in each residence hall and are free of charge for all students.

The Office of Parking and Transportation provides the Rensselaer campus with a free shuttle service and well-maintained, well-lit, and well-patrolled parking facilities.

The Stockroom provides support to all the Trades, Academic & Auxiliary Facility Repair, Environmental Services, and Landscape Support Services and manages Central Receiving on behalf of the Troy campus. Rensselaer's Stockroom and Central Receiving is located in the Service Building, adjacent to the Physical Plant, and reports to the Administration Division.

The department of Mail Services at Rensselaer provides the Rensselaer community with reliable and professional service for the receipt and processing of U.S. Postal Service and inter-office mail.