Deck & Patio Building in St. John's, NL

Compare 43 deck & patio building contractors near you in St. John's and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 28, 2026

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Other Businesses in This Area

C J Tucker & Son

Deck-R-Out Contracting Inc.

LVL Painting, Decks and Exteriors

lvlnl.ca

Outdoor Contractor Inc.

Quality Fencing

Capital Fencing & Backyard Living Inc

5.012½+ years online
capitalfencingnl.com

Capital Fencing & Backyard Living Inc.

5.012½+ years online
capitalfencingnl.com

Clayans Constructions Company

5.01+ year online
clayansconstructions.com

Cochrane Contracting Ltd.

5.05+ years online
cochranecontracting.comGet a Free Quote

Consolidated Construction & Landscaping Services

5.011 mo online
consolidatedconltd.comGet a Free Quote

Cooper Custom Homes Ltd.

5.0
coopercustomhomes.ca

Crabapple Carpentry & Contracting

5.02½+ years online
crabapplecarpentry.comGet a Free Quote

DJ Decks

5.0

Maclntyre Homes & Renovations

5.0~15 years online
macintyrehomes.comGet a Free Quote

Reshape Consulting Inc.

5.0
reshapeconsulting.ca

Rock Bound Painting Ltd

5.01½+ years online
rockboundpainting.comGet a Free Quote

Sable Building & Design Ltd.

5.0~13 years online
sablebuilding.comGet a Free Quote

Tuckamore Contracting Ltd.

5.0
tuckamorenl.ca

Rydel Roofing, Siding, Windows & Doors

4.9
rydelroofing.ca/franchise/st-johnsGet a Free Quote

Callanan Roofing Contracting

4.83+ years online
callananroofing.comGet a Free Quote

K & P Contracting Ltd

4.8
kp.nf.ca

Newfoundland Wood Siding Company Ltd.

4.7
nlwoodsidingco.ca

Shed City and Outdoor Living Limited

4.7
shedcity.ca

St Johns Exteriors Inc

4.5

Core Contracting Inc

4.3
corecontracting.ca

Healy Services Ltd.

4.210½+ years online
healyservices.com

First Rate Reno's

4.03½+ years online
firstraterenos.com

Pyramid Construction

3.9
pcltd.ca

Deck & Patio Building in St. John's, NL

Deck and patio building in St. John's (Newfoundland) handles Atlantic Canadian conditions: 1850s-1930s historic homes throughout downtown and Quidi Vidi, mid-20th-century homes in the Avalon suburbs, and newer construction in developments like the north side. Typical jobs include composite and pressure-treated cedar decks (salt-rated where appropriate), screened-porch additions, and ground-level patios. Atlantic climate — heavy rain and snow (St. John's gets over 500 cm annual precipitation), salt-air from the harbour, extreme wind exposure, and brief summer season — drives material selection. Composite decking and hurricane-rated connections are common specifications.

Residential deck builds in St. John's run $15,000-$40,000 CAD depending on size and materials; composite decks premium 20-30% over pressure-treated. Newfoundland requires a Home Improvement Contractor license. St. John's permits apply. Salt-air exposure drives stainless-steel fastener specification. Wind-load ratings critical given Atlantic exposure — secure connections to framing, proper lateral bracing. Snow-load rating minimum 50 psf for most of the province. Material delivery from mainland adds 15-25% to material costs compared to mainland Canadian pricing.

Frequently Asked Questions

What deck material works best for St. John's climate?
Composite (Trex Enhance, TimberTech Edge) handles salt air, extreme rain, and snow with minimal maintenance. Pressure-treated cedar requires annual staining and sealing. Premium composite over PT cedar by 20-30% but pays back in 10+ years of maintenance savings given the harsh climate.
Do I need specific wind-load ratings for a St. John's deck?
Yes — Atlantic wind exposure demands wind-rated connections between deck and house, proper lateral bracing, and secure railing anchors. Most residential builds use Simpson Strong-Tie wind-rated connectors. Budget 10-15% more for properly wind-rated construction vs. minimum code.
When is the best time to build a St. John's deck?
June-October. Winter deck construction is impractical given snow and frozen ground. Spring is muddy. Summer and early fall are optimal. Book 2-4 months ahead for peak-season projects — local builder capacity is limited.

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