Contact Us

You can get in touch with us to ask a question about the CLSA or share your thoughts about your experiences as a participant using this form. If you are a participant and would like to update your contact details, please click here.

You can also send us an email or telephone us directly:


Toll-free: 1-866-999-8303
9:00 AM to 4:00 PM Eastern (ET)

General Inquiries:
Data Access Inquiries:
Mailing address: CLSA National Coordinating Centre
1280 Main St. W., MIP-309A
Hamilton ON, L8S 4K1