Minister of Finance Tax Office
33 King Street West, PO Box 627
Visit a ServiceOntario location
ServiceOntario offers walk-in services to Ministry of Finance clients at certain ServiceOntario locations. These services include issuing receipts and accepting the following:
- completed paper registration applications
- applications for refunds
- payments and other documents in sealed and unsealed envelopes
- cash payments (12 locations only)
Visit a Ministry of Finance tax office
Ministry of Finance Tax Office representatives are available by appointment only. If you need to meet with a ministry representative to discuss your tax issue(s), please call 1-866-ONTTAXS (6688297).
Find a Ministry of Finance Tax Office near you.