Guide
What drives the price of a deck in Ottawa
Jul 14, 2026 · Ottawa Service Directory · 6 min read
Material, height, railings and site conditions are what move a deck quote in Ottawa. Here is how to read one, and the city's top-rated deck builders. The costed range lives on the deck cost calculator, where every figure carries its source.
Four things move a deck quote in Ottawa further than anything else: the decking material, how high the deck sits above grade, the railing, and what the site makes a builder do before the first board goes down. This guide covers those and how to read the bids you get back. For a costed range with the City of Ottawa permit fee worked out from the City's own rate, use the deck cost calculator linked below.
What drives the price
- Material: composite and PVC cost more upfront than pressure-treated, but need far less upkeep.
- Size and height: a raised deck needs deeper footings, more posts, and stairs, which all add cost.
- Railings: glass and aluminum railings cost noticeably more than pressure-treated pickets.
- Structure and site: frost-line footings, tricky access, and old-deck removal all add to the quote.
Where the money actually goes
Most of a deck's cost is labour and structure, not the boards you see. A builder who knows Ottawa will talk about frost-line footings and drainage, because that is what keeps a deck level after a few freeze-thaw winters. Treat a quote far below the others as a warning, not a bargain; it usually means shallower footings or thinner structure.
Always get an itemized written quote that names the material line, the railing type, and what site prep and permits are included. A deck attached to the house or above a set height needs a City of Ottawa permit, and a good builder handles that for you.
Top-rated Deck Builders in Ottawa
Ranked by public rating strength, so a strong score from many reviews outranks a perfect score from a few. Confirm licensing and insurance with the business before you hire.
- 1Hickory Dickory Decks (Ottawa) 5.0 (36)
Ottawa franchise of the national Hickory Dickory network, building custom composite, PVC, and wood decks across the south and west end.
- 2Deckify 4.9 (142)
Ottawa deck and patio builder offering custom decks, pergolas, and railings with design consultation, and the largest review base on this list.
- 3Ottawa Decking Solutions 5.0 (24)
Custom pressure-treated and composite decks engineered for the local frost line, with a multi-year workmanship warranty.
- 4MyDeck.ca 4.9 (71)
Nepean-based builder of low-maintenance composite, PVC, and cedar decks with aluminum railings, built by their own crews.
- 5Final Touch Decks & Fences 5.0 (22)
Family-run deck and fence builder handling decks, railings, patios, pergolas, and gazebos across the Ottawa area.
Common questions
- What should a deck quote in Ottawa include?
- An itemized quote should name the decking material and product line, the railing type, the footing depth, whether removing an old deck is included, and who pulls the City of Ottawa permit and books the inspections. A number given over the phone is an estimate, not a quote. Treat a bid far below the others as a warning rather than a bargain, because it usually means shallower footings or thinner structure.
- Is a composite deck worth the extra cost?
- Composite costs more upfront but needs no staining or sealing and resists fading and rot, so it usually costs less over its lifetime. If you do not want ongoing maintenance in Ottawa's freeze-thaw climate, it is often worth it. Composite quality still varies by product line, so ask which line the builder uses and what the warranty covers, not just the price per square foot.
- Do I need a permit to build a deck in Ottawa?
- Usually yes for a deck attached to the house or above a set height. The City of Ottawa sets the thresholds, and a reputable builder pulls the permit and books the inspections as part of the job. A good builder handles the drawings for you too; treat a contractor who wants to skip either step as a warning sign.
- What adds the most to a deck's price?
- Composite or PVC material, height off the ground (which means more footings and stairs), and premium glass or aluminum railings are the three biggest cost drivers. Removing an old deck or working around tricky site access adds cost on top of those three.
- How long does a deck build take?
- A straightforward deck often takes a few days to about a week once materials arrive, though permits, weather, and a raised or complex design can extend that. A raised deck with deep frost-line footings, extra stairs, or premium railings takes longer than a simple ground-level design.
Want a costed range rather than the drivers? Deck cost calculator for Ottawa works one out from published per-unit figures and shows where each one came from.
Open the calculatorSee the full Deck Builders directory in Ottawa, ranked with ratings and service areas.
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