Cra mailing address for tax returns ontario

The Canada Revenue Agency (CRA) mailing address for tax returns in Ontario is:

Canada Revenue Agency Post Office Box 20000 Mississauga, ON L5A 4N4

You can also use the following address for mail-in tax returns:

Canada Revenue Agency Tax Centre 5300 Commerce Court West Mississauga, ON L5R 3K6

Please note that you should use the correct mailing address based on the type of tax return you are filing and the province you reside in.