Contact Us

Updated June 21, 2021 – Due to current COVID-19 regulations, the Thornhill Seniors Centre and Thornhill Community Centre remain closed. 

City of Markham Customer Service may be reached at 905-477-5530 or send them an email

Throughout the building closure, the Thornhill Seniors Club staff and Volunteer Board continue to work from home and are available by email:

General inquiries:

Cindy Petrow – TSC Program Coordinator:


We are located at 7755 Bayview Avenue (N/E corner of Bayview & John Street). Our entrance is on the south side of the building facing John Street.

Front Desk: 905-944-3781 

Travel Desk: 905-944-3782

TSC General email:

Follow our Blog to have the latest TSC news and notices emailed as soon as they are posted.