Head Office

550 Queen Street East
Mezzanine Level
Suite 150
Toronto, Ontario
Canada M5A 1V2

Tel: 416-703-9266
Fax: 416-703-9265
TTY: 416-703-9267 (deaf, hard of hearing, speech-impaired)

Office hours are Monday to Friday, 8:30 a.m. – 4:30 p.m.

Police, fire or ambulance

If this is an emergency dial 9-1-1

Enbridge Gas Emergency Line

If you smell natural gas call 1-866-763-5427


For after-hours emergency repairs call 416-799-0658.
You will be asked to give your phone number and leave a detailed message. Someone will call you back. Examples of emergency repairs include:

  • Flooding
  • Blocked drains, overflowing toilets, basement drain back-ups
  • Broken doors, windows or locks
  • No water
  • No heat in the winter
  • No power/electricity
  • Broken elevator

For non-urgent repairs call 416-703-9266 ext. 231.
You will be contacted within seven business days.

Looking for housing?
Visit How to Apply for instructions and contact information.


Mainstay Staff

Gautam Mukherjee, Executive Director

Janine Ball, Director of Finance

Parvin Merchant, Director of Tenant and Member Services

Dominic Szuch, Director, Property Management

Josh Taylor, Director of Investment and Development

Jane Mitchell, HR Lead

All Mainstay staff can be contacted by calling the main telephone number:
416-703-9266

Looking for housing?

Find instructions and contact information.

How to Apply