Decks, gazebos, pergolas and privacy screens engineered for Ontario winters.
- Design & quote
- 3 — 7 days
- Permit review
- 2 — 6 weeks
- Standard deck build
- 1 — 2 weeks
- Deck + gazebo
- 2 — 4 weeks
Deck & Gazebo in Richmond Hill — the short answer
Deck and gazebo construction covers the design, permitting and building of raised or grade-level outdoor structures — including footings below the frost line, pressure-treated framing, and pressure-treated, cedar, composite or PVC decking. In the GTA in 2026, professionally built decks cost roughly $30 to $50 per square foot in pressure-treated lumber, $50 to $75 in cedar, $65 to $90 in composite, and $80 to $110 in PVC. In Richmond Hill, deck permits are issued by City of Richmond Hill Building Services, and a permit is generally required once a deck is attached to the house or sits more than 600 mm above grade.
What we can build in a Richmond Hill backyard is set by grade, lot width and what the house can carry. Bayview Hill and Jefferson are large 1990s and 2000s detached homes with tall basements and generous lots. Mill Pond and the Yonge corridor hold older, smaller stock with more character and more surprises. Oak Ridges properties frequently sit on the moraine with associated development constraints.
Ravine-backing lots are common and beautiful, and they require conservation authority sign-off before a deck footing goes in. We start that conversation at the design stage.
Permits — City of Richmond Hill Building Services
Richmond Hill permits additional residential units with a building permit and registration. Significant portions of Oak Ridges and Jefferson fall within the Oak Ridges Moraine Conservation Plan and Lake Simcoe Region or TRCA jurisdiction, which affects grading, footings and any structure near a ravine.
Deck & Gazebo pricing
- Pressure-treated deck$30 — $50 / sq ft
- Cedar deck$50 — $75 / sq ft
- Composite deck$65 — $90 / sq ft
- PVC deck$80 — $110 / sq ft
- Gazebo or pergola$12,000 — $38,000
A 200 sq ft pressure-treated deck typically lands near $8,000; the same deck in composite with glass railing is $20,000 or more. Helical piles instead of poured footings add roughly $350 to $600 per pile.
Neighbourhoods
Bayview Hill · Mill Pond · Oak Ridges · Jefferson · Rouge Woods · Observatory · Devonsleigh · Westbrook
These apply to every deck & gazebo project in Richmond Hill. City of Richmond Hill Building Services is the final authority and we confirm each item against your specific property before quoting.
Multi-level & wrap-around decks
Engineered framing, stair runs with code-compliant rise and run, and level changes that follow your grade instead of fighting it.
Gazebos & pergolas
Freestanding and attached structures with post bases above grade, hardware-connected beams, shingled or louvred roofs, and screening options.
Composite & PVC decking
Trex, TimberTech and PVC systems installed with hidden fasteners, breather gaps, and picture-frame borders that cover the cut ends.
Cedar & pressure-treated builds
Kiln-dried cedar and PT framing with joist tape, hot-dip galvanised hardware and a first coat of sealer before we hand it over.
Railings & glass panels
Aluminium, glass, cable and wood railings at code height, with posts through-bolted to the frame rather than face-screwed to the rim.
Privacy screens & outdoor rooms
Slatted privacy walls, under-deck storage, integrated benches and planters, low-voltage stair and post lighting.
Not seeing your question? Call or text (647) 928-3544 — we answer same day, usually within 2 hours.
City of Richmond Hill Building Services handles permits for Richmond Hill. Richmond Hill permits additional residential units with a building permit and registration. Significant portions of Oak Ridges and Jefferson fall within the Oak Ridges Moraine Conservation Plan and Lake Simcoe Region or TRCA jurisdiction, which affects grading, footings and any structure near a ravine. We prepare the drawings, submit the application, respond to plan-review comments and call every inspection through to a closed permit, so you are not standing in a queue at City Hall.
We come to you in Richmond Hill, measure on site, and hand back a written line-by-line quote at no cost. Same day, usually within 2 hours response.
Same day, usually within 2 hours· Serving the GTA, Hamilton, Guelph & Kitchener