Commissioner of Oaths

The Council Services Department provides the services of a Commissioner of Oaths.  The Commissioner of Oaths is able to witness signatures for city related business and certain documents. 

This can be done on the fifth floor of Windsor City Hall, 350 City Hall Square West, Suite 530. The cost for commissioning a document is $10.00.

We strongly suggest you call the 311 Customer Contact Centre should you require additional explanation. The 311 Customer Contact Centre will help determine if the Commissioner is authorized to sign your particular documents and what the applicable fee will be.

Documents witnessed/signed by a Commissioner of Oaths include the following (fees may apply):

  • Documents pertaining to City of Windsor business
  • Legal name change
  • Delayed statements of birth

A Commissioner of Oaths cannot witness/sign the following:

  • Wills
  • Living wills
  • Power of attorney
  • Divorce
  • Separation
  • Custody agreements
  • Passports or visas
  • Vehicle ownership changes
  • Canada pension documents
  • Trust funds

Council Services Department
Suite 530 - 350 City Hall Square West
Windsor, Ontario N9A 6S1

For detailed and general inquiries, contact 311
Fax: 519-255-6868