If you’re a homeowner in Alberta thinking about adding a deck, you’re not alone. A well-built deck is one of the highest-ROI home improvements you can make — and in Alberta’s climate, it needs to be built right to last. Here’s everything you need to know before you start.
How Much Does a Deck Cost in Alberta?
Most deck projects in Calgary and surrounding areas fall between $15,000 and $45,000, depending on size, materials, and complexity. Here’s a general breakdown:
| Deck size | Typical cost range |
|---|---|
| Small (under 200 sq ft) | $10,000–$18,000 |
| Mid-size (200–400 sq ft) | $18,000–$30,000 |
| Large or multi-level (400+ sq ft) | $30,000–$55,000+ |
Factors that affect cost include decking material (cedar vs. composite), railing type, stairs, pergolas or privacy screens, and site conditions like slope or soil type. Browse our recent projects and photo gallery to see the range of deck builds we’ve completed across Calgary.
Cedar vs. Composite: What’s Right for Alberta?
Alberta’s climate is tough on outdoor materials. Chinooks, freeze-thaw cycles, intense UV at elevation, and dry summers all take a toll.
Cedar is a classic choice — it looks beautiful and is naturally rot-resistant. However, it requires regular sealing and maintenance every 1–2 years to stay in good shape.
Composite decking (brands like Trex, TimberTech, or Fiberon) handles Alberta’s climate extremely well. It won’t split, warp, or fade, and it requires almost no maintenance beyond an occasional wash. The upfront cost is higher, but most homeowners recoup that in maintenance savings within a few years.
Our recommendation: if you’re building something that’s meant to last 20–30 years with minimal upkeep, go composite. Learn more about our deck construction services.
Do You Need a Permit to Build a Deck in Alberta?
In most Alberta municipalities, yes — you need a permit if your deck is:
- More than 0.6 metres (about 2 feet) above grade
- Attached to the house
- Within required property setbacks
Permit costs typically range from $200 to $2,000 depending on your municipality and project size. The permit process ensures your deck meets Alberta Building Code requirements for footing depth (below frost line), guardrail height (42”), and structural load capacity.
At Wasch Construction, we handle the permit process for you — so you don’t have to navigate the paperwork.
What Are Bigfoot Footings and Why Do They Matter?
In Alberta, getting your footings right is critical. The ground freezes deep, and if footings aren’t below frost line, your deck will heave, shift, and ultimately fail.
Bigfoot footings are a bell-shaped footing system that distributes load over a wider surface area and resists frost heave better than standard tube forms. We use them on most of our deck builds because they’re engineered for exactly the kind of ground conditions we deal with in Alberta.
How Long Does It Take to Build a Deck?
A typical deck build takes 3–7 days of construction time once the permit is approved and materials are on site. The permit process itself can take 1–4 weeks depending on your municipality, so it pays to plan ahead.
Why Hire Wasch Construction?
We’re a local Alberta contractor with hands-on experience building decks that hold up to our climate. We handle everything from design and permits to footings and finishing — and we stand behind our work.
Ready to get started? Contact us for a free quote, or explore more of our work in the gallery.
