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 In our efforts  to limit the spread of COVID-19 our employees are currently working from home.

Our office is opened for emergencies only:

  • Tuesdays from : 8:30 a.m. to 1:00 p.m.
  • Thursdays from : 8:30 a.m. to 1:00 p.m.

You can pay your bill through your bank, at the counter, online or by mail at :
C.P. 11071, Succursale Centre-Ville, Montréal (Québec) H3C 5A9

You can also reach us at: This email address is being protected from spambots. You need JavaScript enabled to view it.


Student jobs - Summer 2021


Online Billing



School tax - Terms of payment

The terms of payment are the following:

Through your financial institution (Internet, ATM or counter). If the payment is made electronically, you must access your bank website:

  • choose the payment option and add if necessary, Comité de gestion de la taxe scolaire de l’île de Montréal as a payee by typing « Comite »
  • make sure to enter the 20 digit reference number appearing on top of your account.

By mail, at P.O. Box 11071, Downtown Station, Montréal (Québec)  H3C 5A9.

Our office at 500, Crémazie Boulevard East, Montréal QC H2P 1E7, from 8:30 to noon
and 1:00 p.m. to 4.00 p.m. (cheque or debit card only).


Sales of properties

The property sale for default on school tax payment scheduled for December 8, 2020 has been postponed.


Publications (available in French only)

About Us

The Comité de gestion de la taxe scolaire de l’île de Montréal (CGTSIM) is a public organization governed by the Education Act. It offers technical, administrative, and financial support services to the three service centers and two school boards on the Island of Montréal.

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Contact Us

500, boulevard Crémazie Est
Montréal (Québec) H2P 1E7

School Tax Service
Telephone : 514 384-5034
Fax : 514 384-1988
E-Mail : taxe.scolaire@cgtsim.qc.ca

General Information
Telephone : 514 384-1830
Fax : 514 384-2139
E-Mail : info@cgtsim.qc.ca