
Deck Builders Ajax
Deck Master Inc. is Ajax's most trusted deck building company with 20+ years of experience across Ajax & Durham Region. We design and build custom decks using premium materials inc...


Award-Winning Service



3× HomeStars "Best of" Winner



WSIB Insured
Full coverage & $5M liability
20+ Years Exp.
Trusted in Ajax
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Quotes within 48 hours
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HomeStars & Google
Professional Deck Building in Ajax
Deck Master Inc. is Ajax's most trusted deck building company with 20+ years of experience across Ajax & Durham Region. We design and build custom decks using premium materials including Trex, TimberTech, cedar, and pressure-treated lumber — all backed by our 2-year workmanship warranty.
Our experienced team has completed hundreds of deck projects in Ajax, understanding the unique architectural styles and building requirements of this community. From cozy backyard retreats to expansive multi-level entertainment spaces, we deliver exceptional results that stand up to Ontario's climate.

Deck Materials & Options in Ajax
Choose from our selection of premium materials, each suited to Ajax's climate
Composite Decking
$40-70 per sq ftPremium Trex & TimberTech composite boards with 25-50 year warranties. Fade-resistant, low-maintenance, and eco-friendly.
Cedar Decking
$45-65 per sq ftNatural western red cedar with beautiful grain patterns. Naturally resistant to rot and insects with proper maintenance.
Pressure-Treated Lumber
$30-50 per sq ftBudget-friendly ACQ pressure-treated pine. Durable and versatile with proper annual staining.
IPE Hardwood
$60-100 per sq ftUltra-premium Brazilian hardwood with 75+ year lifespan. The gold standard in luxury decking.
Why Choose Deck Master for Decks in Ajax?

Our Deck Building Process in Ajax
From consultation to completion, here's how we deliver exceptional results
Free Consultation
We visit your property, discuss your vision, measure the space, and provide a detailed written quote within 48 hours.
Custom Design
Our team creates a custom deck design with 3D renderings so you can visualize the finished project before construction begins.
Permits & Approvals
We handle all building permit applications and ensure your deck meets Ontario building codes and local bylaws.
Expert Construction
Our skilled crews build your deck using premium materials and best practices. Most decks are completed in 3-7 days.
Deck Building in Ajax Neighborhoods
Serving all Ajax & Durham Region communities with professional decks
Deck Building FAQ — Ajax
Common questions about decks in Ajax
How much does a deck cost in Ajax?
Deck costs in Ajax typically range from $30-50/sq ft for pressure-treated wood, $45-65/sq ft for cedar, and $40-70/sq ft for composite. A standard 300 sq ft deck costs $9,000-$25,000 depending on materials and design complexity. Contact us for a free detailed estimate.
Do I need a building permit for a deck in Ajax?
Town of Ajax requires permits for decks over 600mm above grade. Deck Master handles the entire permit process as part of our full-service deck building in Ajax.
What is the best decking material for Ajax homes?
For Ajax's freeze-thaw climate, we recommend composite decking (Trex or TimberTech) for longevity and low maintenance. Cedar offers natural beauty at a mid-range price, while pressure-treated wood is ideal for budget-conscious projects. We help you choose during your free consultation.
How long does it take to build a deck in Ajax?
Most deck projects in Ajax take 3-7 business days for construction once permits are approved. Permit timelines vary but typically take 2-4 weeks. Larger or multi-level decks may require 2-3 weeks of build time.
More Services in Ajax
Complete outdoor living solutions for your Ajax home
Ready for Deck Building in Ajax?
Get a free, no-obligation estimate from Ajax's trusted outdoor living experts