Toronto & GTA
When it comes to exterior construction, the difference isn't just how it looks when it's finished. It's how it performs over time.
In Toronto, outdoor structures are constantly exposed to moisture, temperature swings, and freeze-thaw cycles. If they’re not built properly from the start, they fail early.
At SZ Obsidian Builds, we focus on structural integrity first, finish second. Every project is built to last, whether it’s a simple structure or a fully custom build.
Licensed & Insured
20+ Years Experience
500+ Projects Completed
Outdoor Living
A properly built deck adds usable space and long-term value to your home. A poorly built one becomes a maintenance issue within a few seasons.
Built to Last
Architecture
Curb Appeal
Front porches are one of the most important architectural features of a home.
We specialize in:
Whether restoring original character or building new, the goal is the same: structure, proportion, and durability.
Property Definition
Fencing defines your property, but it also needs to hold up structurally.
Full Build
Additional Space
Backyard structures should feel like a natural extension of your home, not an add-on.
We handle:
From foundation to final finish, we manage the entire build.
Craftsmanship
Exterior carpentry is where craftsmanship shows.
We work across:
We handle both:
Including recreating 100-year-old designs from photographs.
Protection
Envelope Protection
Your siding protects everything underneath it.
If it fails, bigger problems follow.
We install and repair:
Built to handle Toronto’s climate from day one.
The SZ Difference
Industry expertise
Completed successfully
Construction approach
Start to finish
Throughout every project
On workmanship
Based on manufacturer
We don’t build for short-term results. We build for long-term performance.
Local Expertise
Every project is built with local conditions in mind:
This is what determines whether a structure lasts 5 years or 25+ years.
Get Started
If you’re planning an exterior construction project, the most important step is to build it correctly from the start.
We’ll assess your property, explain your options, and build something that lasts.
No Obligation Quote
500+ Happy Clients
Same-Day Response