Houzz
4.9
4.8
BBB
4.9
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Recent Projects in the GTA
A look at some of our latest deck builds and restorations across Toronto.
Trusted by Homeowners Across Toronto
See what real homeowners are saying about their experience with Green Side Up.
About
Green Side Up Contracting
More than 20 years ago, our founder Jay left a successful career to build something more meaningful — a company focused on craftsmanship, integrity, and customer care. What started as a small, owner-operated business has grown into one of the GTA's most trusted outdoor construction companies.
Today, Green Side Up Contracting is an award-winning, Landscape Ontario member and TrexPro® Platinum Contractor, known for building high-quality decks that are designed to last and built to protect your investment.
We believe in honest communication, transparent pricing, and standing behind our work — so you can feel confident your deck will be done right the first time.
#1 Deck Builder
Every project we deliver includes these standard features — no upgrades needed.
Our Simple 3-Step Process
Frequently Asked Questions
Deck costs vary based on size, materials, and complexity. A standard pressure-treated wood deck starts around $35–$45 per square foot, while composite decking ranges from $55–$75+. We provide free, detailed quotes with no obligation.
Most residential deck projects take 1–3 weeks from start to finish, depending on size and complexity. We'll provide a clear timeline during your on-site assessment.
Yes! We install all major composite decking brands including Trex, TimberTech, and Fiberon. Composite decking is low-maintenance, long-lasting, and comes in a wide range of colors and textures.
In most municipalities, yes. We handle the entire permit process for you as part of our service, so you don't have to worry about paperwork or inspections.
We serve the Greater Toronto Area (GTA) including Aurora, Newmarket, Richmond Hill, Markham, Vaughan, King City, Stouffville, and surrounding areas.
"Green Side Up did an incredible job on our composite deck. Professional from start to finish, and the result exceeded our expectations."
— Sarah M.
"They restored our old deck and it looks brand new. Great communication throughout the project. Highly recommend!"
— Mike T.
"From the quote to the final walkthrough, the team was organized, on time, and did beautiful work. Our new deck is the highlight of our backyard."
— Jennifer L.
"Excellent craftsmanship and attention to detail. They helped us design the perfect multi-level deck for our sloped yard."
— David R.
Safety
Solid, secure, and safe for everyone — built to code with premium fasteners.
Budget-Friendly
Best results for the budget you're working with.
Stays Cool
Heat-mitigating technology keeps sunny decks comfortable.
Long-Lasting
Built to last decades without major issues.
Low Maintenance
No constant staining, repairs, or upkeep required.
Fast & Easy Process
Project completed quickly with minimal disruption.
Request a Free Quote
Fill out the form or call us. It takes less than a minute.
Build & Enjoy
Our team builds your dream deck. You relax and enjoy the result.
On-Site Assessment
We visit your property, discuss your vision, and provide a detailed quote.
Request a Free Quote
Fill out the form or call us. It takes less than a minute.
On-Site Assessment
We visit your property, discuss your vision, and provide a detailed quote.
Build & Enjoy
Our team builds your dream deck. You relax and enjoy the result.
Why Choose Green Side Up
Local Experienced Team
Born and raised in the GTA. We know local building codes inside and out.
Strong Communication
Born and raised in the GTA. We know local building codes inside and out.
We use only premium lumber and top-brand composite decking.
Quality Materials
On-Time Completion
We respect your timeline and deliver on schedule.
Clear Written Quotes
No surprises. Detailed quotes with transparent pricing.
Workmanship Warranty
Every project backed by our quality guarantee.
Green Side Up Contracting
Licensed & Insured Deck Builders
4.9 on Google
Service Areas
Aurora, Newmarket, Richmond Hill, Markham, Vaughan, King City, Stouffville, and the Greater Toronto Area.
Top Deck Builder in Toronto
Custom Deck Construction and Repair by Certified Pros. Call Today for a Free Estimate!
- 4.9+ Google Rating
- 25+ Years Experience
- Licensed & Insured
- Warranty Included
