Contact International Tax

International Tax


System Administration offices, 1800 Grant St., Denver

Mailing Address:

Employee Services
University of Colorado
1800 Grant Street, Suite 400
Denver, CO 80203

Email Address:

Email is distributed throughout the working day and will be responded to within one business day.

Interoffice Mail: Campus Box 400 UCA

Contact an international tax specialist:

Schedule an appointment online:

University of Colorado employees can schedule appointments with an international tax specialist through our online scheduling system.


If you have questions regarding your international tax appointment, please email

View our FAQ document.