What a Deck Costs in Ottawa
Pick your deck size and two or three materials: the comparator multiplies published Ottawa and Ontario builder prices by your size, and shows what each material asks of you over the years without inventing a lifetime dollar figure.
Compare deck materials for your size
Published Ottawa and Ontario builder prices (read September 2026), multiplied by your deck size as an illustration. Not a quote: some published packages leave out railings and steps.
| Material | Per sq ft installed | Years | Upkeep |
|---|---|---|---|
| Pressure-treated | $25 to $65 | about 20 years for wood decks in a 2007 US industry survey | semitransparent stain: every 2 to 3 years on new boards and 3 to 6 years on weathered ones (USDA Forest Products Laboratory, US data; expected life depends on climate and exposure) |
| Cedar | $45 to $80 | about 20 years for wood decks in a 2007 US industry survey; the USDA Forest Products Laboratory says naturally durable and treated woods last quite comparably as deck boards | semitransparent stain: every 2 to 3 years on new boards and 3 to 6 years on weathered ones (USDA Forest Products Laboratory, US data; expected life depends on climate and exposure) |
| Composite | $45 to $95 | 25- and 30-year limited product warranties (manufacturer); a warranty is not a lifespan | Follow the manufacturer's care guide; we found no neutral interval. |
| PVC | $59 to $110 or more | a lifetime limited product warranty on some lines (manufacturer); a warranty is not a lifespan | Follow the manufacturer's care guide; we found no neutral interval. |
Permit fee: the City's formula is $12.75 per $1,000 or part thereof of the construction value, with a $117 minimum. The City values the work, not us. No dollar total over time is shown: we found no sourced upkeep prices, and a warranty is not a lifespan.
Deck costs, page by page
What a Pressure-Treated Deck Costs in Ottawa
$25 to $65 per square foot installed
Published Ottawa and Ontario builder prices for pressure-treated decks run about $25 to $65 per square foot installed. What sits in that range, and what to ask.
What a Cedar Deck Costs in Ottawa
$45 to $80 per square foot installed
Published Ottawa and Ontario builder prices for cedar decks run about $45 to $80 per square foot installed. What that covers and what to ask before you sign.
What a Composite Deck Costs in Ottawa
$45 to $95 per square foot installed
Published Ottawa and Ontario builder prices for composite decks run about $45 to $95 per square foot installed. Warranty terms, the Ottawa report, and what to ask.
What a PVC Deck Costs in Ottawa
$59 to $110 or more per square foot installed
Published Ottawa and Ontario builder prices for PVC decks run about $59 to $110 or more per square foot installed. Warranty terms and what the Ottawa permit asks for.
What Deck Railings Cost in Ottawa
Too few published Ottawa prices
We found too few published Ottawa prices for deck railings to give a range. What a railing quote should show, and Ontario's guard rules.
What Deck Stairs Cost in Ottawa
Too few published Ottawa prices
We found too few published Ottawa prices for deck stairs to give a range. Ontario's rise, run and handrail rules, and what a stair quote should show.
What Deck Removal Costs in Ottawa
Too few published Ottawa prices
We found too few published Ottawa prices for deck removal to give a range. What a tear-out quote should include and where the old wood goes.
What Deck Permit Drawings Cost in Ottawa
$399 to $2,500 per set of permit drawings
Published prices for deck permit drawings run about $399 to $2,500 per set. What the City of Ottawa needs on them, and the homeowner design exemption.
What an Ottawa Deck Permit Costs
$12.75 per $1,000, $117 minimum
Ottawa's deck permit fee is $12.75 per $1,000 of construction value, with a $117 minimum. How the formula works, when a permit is needed, and the inspections.
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