2 Car Garage Guide for Calgary Homeowners: Sizes, Costs & Kits
A 2 car garage is one of the most requested additions we see from Calgary homeowners, whether the goal is extra vehicle storage, workshop space, or a foundation for a future garage suite. This guide walks through sizing, storey options, kits versus custom builds, and what actually drives cost in the Calgary region, so you can plan with realistic numbers before you request a quote.
What Is 2 Car Garage?
A two car garage is a detached or attached structure sized to fit two vehicles side by side, typically with a single double-wide door or two separate single doors. Most Calgary homeowners build detached versions on the rear of their lot, which keeps the structure separate from the house and often simplifies the permit process compared to an attached addition.
A two story garage adds a second level above the vehicle bay, commonly used for storage, a home office, or - with the right permits - a legal garage suite. In Calgary, this second-storey option is popular on smaller lots because it adds usable square footage without expanding the building's footprint. Single-storey builds remain the simpler and more common choice when the goal is straightforward parking and storage.
How 2 Car Garage Works
A 2 storey garage is built in two phases from a construction standpoint: the ground-floor vehicle bay (foundation, slab, framing, garage doors) and the upper level (floor system, framing, insulation, and finishing). Both levels need to meet Calgary's building code requirements, and if the upper floor will be used as living space or a suite, additional requirements around egress, fire separation, and plumbing come into play.
A kit 2 car garage is a pre-engineered package - typically wood-frame or steel-frame components manufactured off-site and assembled on your lot. Kits can shorten the framing timeline, but the foundation, electrical, plumbing rough-in, and final inspections still need to be handled locally and permitted through the City of Calgary or the applicable municipality. Kits work best for straightforward single-storey builds; two-storey garages with suite potential usually benefit more from a custom-engineered design that accounts for the upper-level use from day one.
Pro Tip: If there's any chance you'll want a garage suite above your two car garage down the road, design and permit the structure for that use now. Retrofitting a garage roof, floor system, and foundation after the fact almost always costs more than building it right the first time.
Best Practices for 2 Car Garage
A well-planned 2 story garage in Calgary should account for a few practical factors from the start:
- Foundation depth: Alberta's frost line means footings need to go deeper than in milder climates - this is non-negotiable for a structure expected to last decades.
- Snow load on the roof: A second storey adds weight and changes the roof design; your builder should confirm the structure is engineered for Calgary's snow load requirements.
- Setback and height rules: Municipal zoning bylaws set maximum height and minimum distance from property lines, and these vary by municipality within the Calgary region.
- Insulation and heating: If the upper level will be occupied space, it needs to meet the same insulation and ventilation standards as any other habitable room.
- Access and door placement: Plan door swing, driveway approach, and interior clearance before finalizing dimensions - a garage that's technically "2 car" but too tight to open doors comfortably isn't functional.
Getting these details right at the design stage avoids costly change orders mid-build. Our Detached Garage Development team handles this planning as part of every project across the Calgary region.
How Much Does It Cost to Build a 24x24 Garage in Canada?
A 24x24 garage is one of the most common 2-car garage square footage choices in Canada, giving you 576 square feet - enough room for two full-size vehicles plus some storage or workbench space along the walls. Costs vary widely based on region, foundation type, finish level, and whether you add a second storey, but homeowners across Canada generally see detached garage projects in this size range fall into a broad mid-five to low-six-figure range once foundation, framing, electrical, doors, and finishing are all included.
Here's how common 2-car garage sizes compare in typical Calgary-area builds:
| Garage Size | Square Footage | Typical Use |
|---|---|---|
| 20x20 | 400 sq ft | Tight lots, basic 2-vehicle parking |
| 22x22 | 484 sq ft | Standard 2-car with modest storage |
| 24x24 | 576 sq ft | Most common size, room for workbench/storage |
| 24x24 + upper storey | 576 sq ft (per floor) | Adds loft, office, or future suite potential |
Because pricing depends heavily on your specific lot, foundation conditions, and finish choices, the most reliable way to get an accurate number is a site-specific estimate. Our pricing guide for Calgary garage and basement projects breaks down the cost factors in more detail, and a free estimate gives you numbers based on your actual property rather than a national average.
Is It Cheaper to Build or Buy a Garage?
This is one of the most common questions we hear from homeowners comparing a double car garage kit against a fully custom build. The honest answer: it depends on what you're optimizing for.
| Factor | Kit / Prefab Garage | Custom-Built Garage |
|---|---|---|
| Upfront cost | Often lower for basic single-storey builds | Higher, but reflects site-specific engineering |
| Timeline | Faster framing once foundation is ready | Comparable once permits and foundation align |
| Customization | Limited to manufacturer's standard sizes/layouts | Full control over dimensions, storey count, finishes |
| Two-storey / suite potential | Limited - most kits aren't designed for occupied upper levels | Built-in from the design stage if desired |
| Permit and code handling | Homeowner or separate contractor typically manages this | Usually managed end-to-end by your builder |
| Resale/appraisal value | Can vary by build quality and consistency with home style | Tends to match the home's construction quality and value |
Key Takeaway: A kit can be the more affordable route for a simple, single-storey double car garage with no future suite plans. Once a second storey, legal suite, or non-standard lot shape enters the picture, a custom design managed by a local builder typically delivers better long-term value because permits, engineering, and finishing are handled as one coordinated process.
If you're weighing this decision for your specific property, our construction services page outlines how we scope garage projects from design through final inspection, and our service areas page confirms whether your municipality - including Chestermere, Airdrie, Cochrane, Okotoks, and Rocky View County - falls within our licensed coverage.
Ready to plan your garage project? Request a free estimate or browse our Calgary project gallery to see completed garage builds across the region.
Construction Content Writer
