Contact Us
For General Inquiries
Email: ibc-apply@columbia.edu
For the Submission of Recommendation Letters
Letters should be emailed to ibc-apply@columbia.edu.
Recommendation letters must be provided by an applicant's professor, advisor, or other university administrator. Additionally, the letter must be submitted via email from the recommender’s .edu email address. The letter must be submitted as an attachment to the email and on official school letterhead. Recommendation letters submitted by the applicant or by mail will not be accepted.
Office Hours
Monday–Friday | 9:00 a.m.– 5:00 p.m.
Mailing Address for Employment Paperwork
Internship in Building Community
Columbia University
203 Lewisohn Hall
2970 Broadway; MC 4119
New York, NY 10027