Contact Us

Visit the Ministry of Finance Tax Office in London

Ministry of Finance representatives in London are available by appointment only. If you need to meet with a ministry representative to discuss your tax issue(s), please call 1 866 ONT-TAXS (1 866 668-8297).


Ministry of Finance
130 Dufferin Avenue, Suite 400
London ON  N6A 6G8

Hours of Service

  • 8:30 a.m. to 5:00 p.m.
  • Services are not available on statutory holidays


Meter parking is available.

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