
Custom pressure-treated decks built for Toronto winters, with permit paperwork handled where required.
HomeStars Best
Winner '21-'24
5/5 Rating
136+ Reviews
5-Year Warranty
Guaranteed
Licensed
WSIB & Insured




















#1
Built for Toronto winters with proven deck craftsmanship
Peace of mind starts before the first hole is dug. You get a clear scope, steady communication during the build, permit paperwork where required, and written backup if installation issues show up later.
EXCELLENT Based on 138 reviews Posted on Google Jen GommermanTrustindex verifies that the original source of the review is Google. I was very happy with our project. Service was professional and courteous. Excellent attention to detail. Communication was also excellent with prompt replies to queries.Posted on Google Mike AtracheTrustindex verifies that the original source of the review is Google. They put up the fence pretty quickly. Great quality. Very happy with the workPosted on Google Jerry GTrustindex verifies that the original source of the review is Google. reasonable prices and good services!Posted on Google Maryam BadakhshiTrustindex verifies that the original source of the review is Google. We had the GTA Grizzly team perform our snow removal this winter and could not be happier. They were on time and responsive every single snow. Highly recommend.Posted on Google sergio hamaouiTrustindex verifies that the original source of the review is Google. great, fast and professional servicePosted on Google Kateryna TolmachovaTrustindex verifies that the original source of the review is Google. Excellent work 👍🏼 quick and professional We are very satisfied with the result!Posted on Google Daria MakohonTrustindex verifies that the original source of the review is Google. Such a great experience working with you—super responsive and detail-oriented from start to finish. Appreciate it!Posted on Google Валерия МоисеенкоTrustindex verifies that the original source of the review is Google. I’ve worked with Denys before, so it feels easy planning ahead with his crew. Even in the middle of winter, we’re already thinking about our spring projects, and that just feels good. I’m excited to see how everything turns out! 🔥Posted on Google Irina EstelaTrustindex verifies that the original source of the review is Google. What I love about GTA Grizzly is how easy they make everything. The team is proactive, responsive, and extremely reliable 💪🏼 Special thanks to Denys!Posted on Google Dianne BannerTrustindex verifies that the original source of the review is Google. GTA Grizzly did a wonderful job building a new fence. Their expertise and attention to detail was exceptional. They definitely aim to please and have great customer service. Would definitely recommend them.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Experience the GTA Grizzly standard. Our team combines architectural precision with elite craftsmanship to build outdoor spaces that last a lifetime.
Speed and transparency. Receive an itemized breakdown for projects under $30K by tomorrow.
We don't just build; we guarantee. Our workmanship is backed for half a decade of Toronto winters.
GTA Grizzly LTD delivers complete landscaping services across Toronto and the GTA — licensed, insured, and reviewed by real homeowners on HomeStars. From concept to completion, our trusted crews handle every phase of your project.
See your project in photorealistic 3D before we break ground. Our design process covers site analysis, concept development, and construction-ready drawings.
Natural stone patios, permeable interlock driveways, and retaining walls engineered to survive Toronto’s freeze-thaw cycles.
Composite, cedar, and pressure-treated builds. Elevated decks with railing systems to full privacy fencing — built to Ontario code.
Complete backyard transformations from demolition to final planting. Drainage, grading, irrigation, lighting — managed start to finish.
Precision-engineered railing systems for decks, balconies, and staircases. Installed to Ontario building code.
Year-round property care for commercial properties across the GTA. Lawn maintenance, seasonal cleanup, and snow removal.
We visit your property, talk through goals, and check grade, access, and permit requirements before any plan is priced.
You receive a written scope with layout, materials, and allowances so you can compare options without guessing.
Our experienced crew builds in sequence, keeps the site organized, and keeps you informed as each stage is completed.
We finish with a walkthrough, care guidance, and written workmanship coverage that begins after final sign-off.
Locked-price proposals
Your scope is itemized before work starts, and the price you see is the price you pay.
24-hour quote guarantee
For projects under $30K, you get a detailed proposal within 24 hours. HomeStars Best Winner 2021-2024, 5/5 rating, 136+ verified reviews.
Free 3D design/render
On projects over $50K, a 3D render lets you review deck size, stairs, and flow before construction begins.
5-year written warranty
If something shifts, cracks, or settles due to our installation, we return and fix it at zero cost.
Free consultation & estimate
Start with a no-obligation site visit and estimate from a team with over 20 years of outdoor construction experience.
No surprise bills
No materials or charges are added without your written approval, so your budget stays in your control.
On-site precision
Our crew stays until every detail meets our standard. Licensed, insured, and WSIB compliant.
Picture a backyard where the deck feels solid, fits the house, and draws you outside more often. Careful pressure-treated construction works because the structure is right and the finish is clean.
Rated 5.0 across 140 Google reviews, GTA Grizzly serves homeowners and businesses throughout Toronto, Vaughan, Markham, and the surrounding GTA — with trusted crews delivering every project from design through completion.
The 3-4-5 rule is a simple way to check a corner for square: measure 3 feet on one side, 4 feet on the other, and the diagonal should be 5 feet. On a **pressure treated deck**, that quick check helps keep posts, framing, and joists aligned before the boards go down. If the diagonal is off, the frame needs adjustment now, not after the deck is finished. GTA Grizzly has 20+ years of experience building to a clean, code-aware standard, and we handle the details on site.
Never trap moisture in **pressure-treated wood deck** parts, and never use fasteners or connectors that aren’t rated for treated lumber. Wet boards should also be allowed to dry and acclimate before sealing or heavy finishing, because that’s when warping and early surface issues show up. If you’re planning a new build, a proper deck builder will also account for ventilation and drainage from day one. We offer free consultations and locked-price proposals, so you can plan the project without guessing.
A 20×20 deck usually lands in a wide range because size is only one part of the price. With a **pressure treated deck builder toronto** project, the cost can move based on height, stairs, railings, demo, grading, and whether permits are needed. The quickest way to get a real number is a free consultation, and GTA Grizzly gives detailed proposals within 24 hours for projects under $30K. If your build is larger, we still price it clearly with a locked-price proposal.
The main downsides of **pressure treated decking** are movement, checking, and regular maintenance. It can dry, twist, or split more than composite, especially if boards are installed before they’ve had time to settle. That’s why the build quality matters so much. GTA Grizzly backs installation with a 5-year written workmanship warranty, which covers shifts, cracks, or settlement caused by our installation.
Most homeowners should expect a 20×20 deck to fall in a broad market range, often from the low five figures upward depending on finishes and site conditions. The **pressure treated deck cost** changes most when you add railings, stairs, excavation, grading, or custom framing. GTA Grizzly gives free estimates and locked-price proposals, so the number you approve is the number you pay. A consultation is the best next step if you want a figure tied to your actual yard.
A 20×20 wooden deck typically costs more or less depending on the wood type, framing height, and access to the backyard. For a **pressure treated wood deck**, the lower-cost end is usually tied to a simple, ground-level build, while stairs, railings, and demolition push it up. We keep the process clear with a free estimate and no hidden fees. If the project is over $50K, you can also get a free 3D design to see the layout before work starts.
A 10×10 deck is usually one of the smaller deck builds, so it can be more straightforward to price, but details still matter. The **pressure treated deck cost** rises if the site needs leveling, if you want railings, or if the deck is elevated and needs stairs. GTA Grizzly can usually return a detailed proposal within 24 hours for projects under $30K. That makes it easier to compare options without waiting around.
A 12×12 deck is often priced in a mid-range for smaller backyard builds, but the final number depends on structure and finish level. **Pressure treated decking cost** goes up with railings, step systems, curved edges, and any prep work under the frame. GTA Grizzly gives free estimates and a locked-price proposal, so you can see the full scope before you commit. If you want to keep the project efficient, ask for a simple layout first and add upgrades from there.
A 12×16 deck usually costs more than a 12×12 because you’re adding square footage and often more framing. The **cost of pressure treated deck** work also changes with access, height, and whether you need permit paperwork handled as part of the job. GTA Grizzly takes care of permit handling for the projects we manage, which saves homeowners a lot of back-and-forth. A free consultation is the best way to get a locked-price proposal for your specific site.
For most GTA homes, the **pressure treated wood deck cost** depends on size, elevation, railings, stairs, and how much prep the yard needs. Small, simple builds are usually far less than multi-level decks, while demo and grading can add a lot to the total. GTA Grizzly gives free estimates, no hidden fees, and locked-price proposals, so you’re not left wondering where the number came from. If the project is under $30K, you can expect a detailed proposal within 24 hours.
Water pooling, poor airflow, and constant ground contact are the biggest things that destroy **treated wood decking** over time. Fast failure usually starts where boards stay wet, hardware wasn’t rated properly, or the frame was built without enough drainage. If you see soft spots, splitting, or boards pulling away, it’s time to have it checked. With 20+ years of experience, GTA Grizzly can assess the structure and recommend the right repair or rebuild path.
The 3/4/5 rule for decking is another simple squaring method: 3 feet on one side, 4 feet on the other, and 5 feet across the diagonal means your corner is square. It’s a practical check for **pressure treated deck boards** and the frame underneath them, especially before fastening the surface. If that diagonal doesn’t line up, the structure should be adjusted before installation continues. GTA Grizzly’s crew stays until every detail meets standard, and every job starts with a free consultation.