You can contact the City of Mississauga tax office in any of the following ways:
Phone
311 (905-615-4311 outside City limits)
You can email tax@mississauga.ca. Please include your tax roll number or address in the subject line of your email, and your phone number.
City of Mississauga Tax Office
Mississauga Civic Centre
300 City Centre Drive, 11th Floor
Mississauga, ON L5B 3C1