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Toronto · Trades & contractors

Licences and permits to operate as a plumbing contractor in Toronto

We found three licences, permits and registrations that can apply when you operate as a plumbing contractor in Toronto, starting with the Plumbing Contractor licence. Beyond the first, each one depends on how you operate, so read the notes before adding them to your list.

Everything on this list is municipal, so the City of Toronto is your main point of contact. Published application-plus-licence totals on these pages range from $495.12 to $755.50.

The notes mention a certificate or exam; those steps depend on other people's schedules, so they are worth starting early.

Requirements
3
Issuers
1
Provincial
0
Last verified
Oct 31, 2026

What you'll need

Last verified:

  1. 01Plumbing Contractor licence

    Municipal

    Issued by: City of Toronto — Municipal Licensing & Standards

    Required for businesses contracting or repairing plumbing installations, or advertising as a plumbing contractor; applicants must be 18+ and submit a Health & Safety Declaration.

    Fees as published

    • Application fee: $234.62
    • Licence fee: $260.50
    • Total fee (Application fee + Licence fee): $495.12
    • Renewal fee: $293.14 (as listed on toronto.ca, page modified June 3, 2026)
    View on toronto.ca — City of Toronto page(opens in a new tab)

    Last verified:

  2. 02Master Plumber licence (if you employ plumbers)

    If applicable Municipal

    Issued by: City of Toronto — Municipal Licensing & Standards

    For a person who plans, supervises and installs plumbing and employs people who do plumbing work; requires a valid Skilled Trades Ontario Certificate of Qualification.

    Fees as published

    • Application fee: $234.62
    • Licence fee: $260.50
    • Total fee (Application fee + Licence fee): $495.12
    • Renewal fee: $293.14 (as listed on toronto.ca, page modified July 14, 2026)
    View on toronto.ca — City of Toronto page(opens in a new tab)

    Last verified:

  3. 03Plumbing & Heating Contractor licence (if also doing heating)

    If applicable Municipal

    Issued by: City of Toronto — Municipal Licensing & Standards

    Businesses that do both plumbing work and install warm air, hot water or steam heating equipment need this combined licence.

    Fees as published

    • Application fee: $234.62
    • Licence fee: $520.50
    • Total fee (Application fee + Licence fee): $755.50
    • Renewal fee: $499.51 (as listed on toronto.ca, page modified June 3, 2026)
    View on toronto.ca — City of Toronto page(opens in a new tab)

    Last verified:

This is general guidance, not legal advice. Confirm requirements with the municipality before opening.

FAQ

Plumbing Contractor in Toronto: common questions

What licences do I need to operate as a plumbing contractor in Toronto?
Our list has three items: Plumbing Contractor licence, Master Plumber licence (if you employ plumbers) and Plumbing & Heating Contractor licence (if also doing heating). Items marked "if" or "optional" apply only in certain situations — the notes explain when. Confirm with the City of Toronto before opening.
How much do the licences cost to operate as a plumbing contractor in Toronto?
Published fees: Plumbing Contractor licence: Application fee: $234.62; Licence fee: $260.50; Total fee (Application fee + Licence fee): $495.12; Renewal fee: $293.14 (as listed on toronto.ca, page modified June 3, 2026) Master Plumber licence (if you employ plumbers): Application fee: $234.62; Licence fee: $260.50; Total fee (Application fee + Licence fee): $495.12; Renewal fee: $293.14 (as listed on toronto.ca, page modified July 14, 2026) Plumbing & Heating Contractor licence (if also doing heating): Application fee: $234.62; Licence fee: $520.50; Total fee (Application fee + Licence fee): $755.50; Renewal fee: $499.51 (as listed on toronto.ca, page modified June 3, 2026). Fees change; check the linked page for the current amount.
Who issues these licences and permits?
City of Toronto — Municipal Licensing & Standards (Plumbing Contractor licence, Master Plumber licence (if you employ plumbers) and Plumbing & Heating Contractor licence (if also doing heating)).
Do I need anything from the Province of Ontario?
The City of Toronto pages we reviewed don't list a provincial requirement for this type of business. Other registrations, such as registering a business name or a tax account, can still apply depending on how you set up.
How current is this information?
Each item was last checked against the linked page on October 31, 2026. Rules and fees change, so open the linked page and confirm with the issuer before you apply. This is general guidance, not legal advice.

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