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Decks, Sheds and Detached Garages

Two people beside a building under construction

In the City of Waterloo, many structures you build outside on your property require a building permit. These structures are also known as accessory structures, and include sheds, detached garages and decks.

Accessory structures that require a permit:

  • Any structure with plumbing
  • Sheds and detached garages that are larger than 10 square metres (108 square feet)
  • Decks with a roof
  • Decks that are 60 centimetres (24 inches) or more above ground

Even if your project does not require a permit, you should check with our zoning team to make sure your shed or detached garage meets our zoning requirements.

Application

You will need a set of drawings, and the following forms to make an application.

Fees

Building permit fee for a shed

$75

Building permit fee for a detached garage

$75 per bay

Building permit fee for a deck

$75

You must pay the fees when you apply for a permit on the second floor of City Hall in the Integrated Planning and Public Works department at 100 Regina St. S. We accept cash, cheques and debit.

Timeline to review applications

Deck, shed or detached garage10 business days

More information