Do I need a permit to build a deck in Ottawa?

Yes, you need a building permit to build a deck in Ottawa if it's more than 24 inches (0.6 meters) above ground level. This is a requirement under the City of Ottawa's building bylaws, and it's one of the most common permit applications they process.

Here's exactly what triggers the permit requirement in Ottawa: any deck that's higher than 24 inches from the ground to the deck surface needs a permit. This includes most second-story decks, raised decks, and even some ground-level decks if your lot slopes. The measurement is taken from the ground directly below the deck to the walking surface.

For deck permits in Ottawa, you'll need to submit plans showing the deck size, height, structural details, and setbacks from property lines. The typical cost ranges from $200-400 depending on the deck size and complexity. Processing time is usually 10-15 business days for straightforward deck applications.

You can apply online through the City of Ottawa's building portal at ottawa.ca/building or visit their offices at 110 Laurier Avenue West. Their Building Code Services team can be reached at 613-580-2424 if you have questions about whether your specific deck needs a permit.

What to watch for when hiring a deck contractor in Ottawa: Make sure they pull the permit themselves - this is typically included in their quote. Any contractor who suggests skipping the permit or says "the city won't know" is a red flag. Licensed contractors know the permit process and factor it into their timeline and pricing.

The permit process protects you by ensuring the deck meets Ontario Building Code requirements for structural safety, proper footings, and appropriate railings. Inspections are required at the footing stage and final completion.

Even if your deck doesn't require a permit (under 24 inches), you still need to respect property line setbacks - typically 1.2 meters from side and rear property lines in Ottawa, though this can vary by neighborhood zoning.

For contractors building your deck, verify they're properly insured and have WSIB coverage. While deck construction doesn't require specialized licensing like electrical or gas work, you still want a contractor who understands Ottawa's soil conditions, frost line requirements (4 feet deep for footings), and local building practices.

If you're in areas like Kanata, Orleans, or Barrhaven, the same City of Ottawa permit rules apply. The permit ensures your deck is built safely and won't cause issues when you sell your home.