Custom Garage Construction Calgary, Built to Last and Fully Permitted
OAF Construction builds detached garages across Calgary under fixed-price contracts. We hold a 4.9★ HomeStars rating with Best of HomeStars 2024 & 2025, carry $5M commercial liability and full WCB coverage, and pull every permit ourselves. Whether you need a single-car detached for the daily driver, a double for the family, a heated workshop for hobbies, or a garage shell ready for a future garage suite above, we deliver it on schedule with one fixed price and a 60-month workmanship warranty. Garage construction Calgary is a regulated build, and skipping permits is the most expensive shortcut a homeowner can take.
What’s Included in an OAF Garage Build
Every garage construction Calgary project from OAF includes:
- Development Permit and Building Permit applications, prepared and filed by us
- Engineered foundation (concrete slab on grade, frost walls, or full foundation depending on soil and intended use)
- Framing with 2x6 walls, engineered roof trusses, and OSB sheathing
- Roofing (asphalt shingles to match house, or upgrade options)
- Exterior cladding to match your home (vinyl, stucco, Hardie board, or LP SmartSide)
- Soffit, fascia, and eavestroughs
- Insulated overhead garage door(s) with opener pre-wired
- Steel-clad insulated walk-through service door
- Electrical: panel sub-feed, LED lighting, outlets at code spacing, 240V plug-in option, overhead-door circuit
- City of Calgary inspections (foundation, framing, electrical, final) coordinated by us
- Site cleanup and final grade
- 60-month workmanship warranty
You sign one contract. We deliver a finished, inspected, code-compliant garage.
Real Calgary Garage Pricing in 2026
Realistic 2026 pricing for fully permitted garage construction Calgary projects on existing concrete pads or graded sites:
| Garage Type | Footprint | Fixed Price Range |
|---|---|---|
| Single-car detached (existing pad) | 12’ x 22’ | $28,000 to $36,000 |
| Single-car detached (new foundation) | 14’ x 24’ | $36,000 to $46,000 |
| Double-car detached (new foundation) | 22’ x 24’ | $46,000 to $62,000 |
| Oversized double or workshop | 24’ x 28’ or 24’ x 32’ | $62,000 to $82,000 |
| Heated double (in-floor or forced-air) | 22’ x 24’ | $58,000 to $78,000 |
| Garage suite-ready shell (engineered for future loft) | 22’ x 26’ | $72,000 to $95,000 |
Cost drivers: foundation type, electrical load (60A vs 100A sub-feed), overhead-door size and quality, exterior cladding match, roofing complexity, and whether the structure is engineered to carry a future garage suite. Garages built on existing pads start at $28,000; full new foundations start higher because of excavation and concrete.
How OAF Builds Your Calgary Garage
- Free site visit. 30 minutes at your property. We measure the lot, check setbacks, evaluate the existing pad (if any), confirm lane access, and discuss size and layout.
- Fixed-price proposal. Detailed quote within 5 to 7 business days. One number, payment schedule attached.
- Permits. OAF prepares the Development Permit (zoning) and Building Permit (construction) applications. Typical permit turnaround at the City of Calgary: 3 to 6 weeks for a standard detached garage.
- Foundation. Excavation, forming, concrete pour, cure. Typically 1 to 2 weeks depending on weather.
- Framing and roofing. Walls up, trusses set, sheathing on, shingles installed. Typically 1 to 2 weeks.
- Exterior, electrical, doors. Cladding, soffit, fascia, eavestroughs, electrical rough and finish, overhead-door install. Typically 2 weeks.
- Inspections and handover. Foundation, framing, electrical, and final inspections coordinated by us. Walkthrough, deficiency list closed, keys handed over.
End to end: 6 to 12 weeks of construction once permits are issued. Total elapsed time from signed contract to keys in hand: 3 to 5 months.
Why OAF for Garage Construction
- Fixed-price contracts every time. The number we sign is the number you pay.
- In-house framing crew. Our framers are T4 employees on staff, not subs from Kijiji.
- Permit and inspection management. Skipping permits voids homeowner insurance and can force demolition. We pull every one.
- WCB + $5M liability. Anyone working on your property is covered. You take zero liability risk.
- Garage-suite ready. We can engineer the foundation and walls to carry a future garage suite (the City lets you do this in two phases under separate permits). See Calgary’s $35K Backyard Suite Incentive for the upper-floor program.
- 60-month workmanship warranty. Twice the industry default.
Calgary Garage Permit and Zoning Notes
Calgary requires both a Development Permit and a Building Permit for any new detached garage. Key zoning checks: lot coverage caps (typically 75 sqm or 14 percent), setbacks (0.6m rear/side minimum, 1.2m if walls have windows), height (4.6m to mid-roof in most R-1 and R-2 districts), lane access requirements, and drainage. OAF runs the Land Use Bylaw lookup on your address during the free consultation, so you know what fits before you spend on design.
Frequently Asked Questions
Do I need a permit for a garage in Calgary? Yes. The City of Calgary requires a Development Permit (zoning) and a Building Permit (construction) for any new detached garage, regardless of size. Building without permits voids most homeowner insurance, exposes you to City-ordered demolition, and can affect your home’s resale. OAF files every permit on every project as part of the fixed-price contract.
How long does garage construction take in Calgary? A typical detached garage takes 6 to 12 weeks of on-site construction once permits are issued. Permits themselves take 3 to 6 weeks at the City of Calgary. Total elapsed time from signed contract to handover is usually 3 to 5 months. Weather can extend timelines November through March, especially during the foundation pour.
Can I build a garage on my existing concrete pad? Sometimes. We need to inspect the pad for thickness (4 inch minimum), reinforcement, and frost heave damage. Pads in good condition can save $4,000 to $8,000 on the project. Pads with cracking, settlement, or insufficient depth must be removed and replaced. OAF assesses the pad on the free site visit and tells you honestly which path applies.
What is the difference between a heated and unheated garage? A heated garage is insulated (R20 walls, R40 ceiling minimum) and includes either in-floor radiant heat or a forced-air unit. Heated garages typically add $12,000 to $18,000 over an unheated build but are usable year-round for woodworking, vehicle maintenance, or any hobby that requires above-freezing temperatures. Unheated garages are fine for vehicle storage in Calgary winters as long as the doors stay closed.
Can OAF build a garage suite above the garage? Yes. We build garage suites either as a single-phase project or as a shell-then-loft sequence under two permits. A garage suite qualifies for Calgary’s Backyard Suite Incentive (up to $35,000 grant launched March 2026). See our Backyard Suite Calgary page for the full program details, eligibility, and pricing.
Related OAF Resources
- Garage Builds service overview
- Backyard Suite Calgary, $35K Incentive Builder
- Basement Development Calgary
- Legal Suite Development Calgary
- Contractor red flags before you sign
Book Your Free Garage Quote
Book a free site visit and OAF will measure your lot, check setbacks, assess any existing pad, and deliver a fixed-price quote on your garage construction Calgary project within a week. One number, full permits, 60-month warranty.