IMPORTANT NOTE: Services may be impacted in response to COVID-19 (Coronavirus). Please contact agenices or programs listed on this page prior to visiting in person to receive up to date information on their services (eg. wait times, hours of operation etc…).

Public Comments If you don't receive your first Ontario Trillium Benefit payment by July 20, please call 1-877-627-6645. (as noted on Ministry of Finance website).
Contact Details
Office Phone Toll free 1-866-668-8297 (1 866 ONT-TAXS) ; Toll free 1-800-337-7222 (Ontario Budget and HST information)
TTY Phone Toll free 1-800-263-7776
Fax Toll free 1-866-888-3850
Social Media Twitter
Primary Executive Hon Rod Phillips, Minister of Finance; Phone: 416-325-0400; Email:
Site Details
Areas Served Ontario
Located In Community Oshawa
Address & Map
33 King St W
Oshawa, ON L1H 8H5
Intersection King St W and Centre St S
Mailing Address c/o Minister of Finance Tax Office 
PO Box 627 
33 King St W 
Oshawa, ON L1H 8H5
Service and Access Details
Description (Service) Administers the tax statutes, tax credits and benefit programs of Ontario 
* walk-in services to Ministry of Finance clients are available at 66 ServiceOntario locations: These locations accept returns and non-cash payments for several types of tax including retail sales tax, employer health tax, land transfer tax, provincial land tax, motor fuels, tobacco, beer and wine, and other provincial taxes on behalf of the ministry. 
* Cash payments are accepted at 12 ServiceOntario locations only  
* Ministry of Finance Tax Office representatives are available by appointment only by calling 1-866-668-8297 
* Administers the Ontario Guaranteed Annual Income System (GAINS) program. Eligibility for GAINS is automatically determined from information provided on annual income tax return
Hours Mon-Fri 8:30 am-5 pm
Eligibility No restrictions
Application Call for information
Languages English ; French
Fees None
Physical Access Fully Accessible
Other Details
Legal Status (30) Provincial Government
Service Categories Provincial/Territorial Tax Information