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You must obtain a licence from the Licensing and Enforcement Division to operate as a Master Plumber or operate a Plumbing Contractor business in Kingston. 

How to apply 

  1. Have an Ontario Certificate of Qualification (CoFQ) for at least two years. 
  2. Provide proof of insurance: a copy of liability insurance issued by a company authorized to provide insurance in the Province of Ontario in the amount of $2,000,000. 
  3. Sign up/log in to MyKingston to complete your application online and ensure we can fulfill your request effectively. Learn more about the benefits of having a MyKingston account


A complete list of fees is available in our Fees and Charges Bylaw. Fees may change. 

Licence Type Fee
Contractor - Resident $324.00
Contractor - Non-resident $400.00
Master Plumber - Resident $161.00
Master Plumber - Non-resident $196.00


  • Plumbing Contractors are engaged in the business of contracting services for the installation, repair and maintenance of plumbing work.  A Plumbing Contractor is or employs a Master Plumber for their business which may include but is not limited to soliciting, advertising and/or representing theirselves to the public as performing plumbing services.
  • A Master Plumber is a journeyperson plumber skilled in the planning, superintending and installation of plumbing work who is familiar with the laws, rules and regulations that govern the plumbing trade.

The City of Kingston acknowledges that we are on the traditional homeland of the Anishinaabe, Haudenosaunee and the Huron-Wendat, and thanks these nations for their care and stewardship over this shared land.

Today, the City is committed to working with Indigenous peoples and all residents to pursue a united path of reconciliation.

Learn more about the City's reconciliation initiatives.

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