Contact Us

Visit the Ministry of Finance Tax Office in Oshawa

Effective March 23, 2020, the Ministry of Finance's Tax Information Centre located at 33 King St. West, Oshawa, is temporarily closed for in-person service until further notice.

Services for tax programs continue to be available.

Contact us online

Consider completing your transaction online. Visit the following pages for more information:

Contact us in writing

Ministry of Finance
33 King Street West
PO Box 625
Oshawa ON L1H 8H9

Contact us by phone

Toll free: 1-866-ONT TAXS (668 8297)

Teletypewriter (TTY): 1-800-263-7776

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