Basement & Garage Building Costs in Calgary
Real starting prices for basement development, legal suites, and detached garages — no hidden fees, no pressure. Basement finishing from $32,000, detached garages from $35,000.
Pricing by project type
Each project is quoted individually after a free on-site assessment. These are typical starting ranges for an average Calgary home.
Finishing vs. suite: Basement Finishing adds living space for your own family. A Legal Basement Suite adds a second kitchen, a separate entrance, and City registration so you can rent it out legally.
Basement Finishing
Finished living space for your own family (no separate suite)
- Framing, insulation & vapour barrier
- Drywall, taping & paint
- Flooring (LVP, laminate or carpet)
- Electrical & lighting
- One bathroom & egress window
- Permits & inspections
Best for: Adding livable space — family room, guest bedroom, or home office.
Legal Basement Suite
Self-contained, registered rental suite — kitchen + separate entrance
- Everything in Basement Finishing
- Full second kitchen
- Separate/secured entrance
- Fire separation & code egress
- City of Calgary registration
- Secondary Suite Incentive help (up to $10k)
Best for: Rental income or multigenerational living, fully legal & registered.
Detached Garage
Single or double, winter-built
- Engineered frost-depth foundation
- Wood or post-frame structure
- Overhead door (single or double)
- Electrical, lighting & EV-ready option
- Insulation & exterior cladding
- Roof, permits & inspections
Best for: Covered parking, a workshop, or extra storage.
Garage Suite
Carriage house above a garage
- Detached garage (as above)
- Full living suite above
- Separate utility connections
- Kitchen, bathroom & laundry
- Development permit
- City registration
Best for: Maximum rental income from a detached structure.
Backyard Suite
Detached garden / laneway home
- Lot feasibility & development permit
- Foundation & full envelope
- Separate gas, water, sewer & power
- Complete kitchen & bathroom
- Exterior, windows & roofing
- City registration & occupancy
Best for: A full, standalone second dwelling on your lot.
Which project is right for you?
| Project | Starting at | Typical range | Timeline | Best for |
|---|---|---|---|---|
| Basement FinishingPOPULAR | $32,000 | $32,000 – $40,000 | 6–10 weeks | Adding livable space — family room, guest bedroom, or home office. |
| Legal Basement Suite | $60,000 | $60,000 – $100,000 | 3–5 months | Rental income or multigenerational living, fully legal & registered. |
| Detached Garage | $30,000 | $30,000 – $65,000 | 4–8 weeks | Covered parking, a workshop, or extra storage. |
| Garage Suite | $90,000 | $90,000 – $160,000 | 4–6 months | Maximum rental income from a detached structure. |
| Backyard Suite | $185,000 | $185,000 – $320,000 | 5–8 months | A full, standalone second dwelling on your lot. |
Ranges are estimates for typical Calgary projects and vary with size, scope, and finishes.
What affects your cost
- Square footage and ceiling height
- Whether a bathroom, kitchen, or wet bar is added
- Finish level and material selections
- Legal registered suite vs. a non-suite finish
- Egress windows, structural changes, or foundation work
- Municipality and permit scope (Calgary vs. county builds)
Optional upgrades
Priced per selection during your quote — add only what you want.
Why our pricing is different
- All-inclusive pricing
Design, permits, materials, labour, and inspections — one number, no hidden fees.
- Quality materials as standard
We never swap in sub-par products to hit a lower headline price.
- Itemized quote first
You see exactly what's included and approve the scope before any work begins.
Frequently asked questions
Get your free, all-inclusive estimate
Titan Pro Developer — licensed, insured, transparent pricing. Serving Calgary and the surrounding region.
Licensed & insured across Calgary and the surrounding region