How Much Does a Basement Suite Cost in Calgary?
In 2026, Calgary basement development costs range from $45,000 for a standard lifestyle basement to $85,000+ for a premium legal suite with high-end finishes. This guide breaks down every cost factor so you can budget with confidence.
Lifestyle Basement Costs
A lifestyle basement is a finished space for your family’s use (not a rental unit). Typical pricing:
- Basic layout (1 bedroom, 1 bathroom, living area): $45,000 to $55,000
- Standard layout (2 bedrooms, 1 bathroom, living area, wet bar): $55,000 to $68,000
- Premium layout (2+ bedrooms, full bathroom, home theatre, custom finishes): $68,000 to $85,000
Legal Suite (Secondary Suite) Costs
A legal suite is a self-contained rental unit that meets all City of Calgary building code requirements:
- Basic legal suite (1 bedroom, kitchen, bathroom, separate entrance): $58,000 to $70,000
- Standard legal suite (2 bedrooms, full kitchen, bathroom, laundry): $70,000 to $85,000
- Premium legal suite (2 bedrooms, upgraded finishes, in-suite laundry): $85,000 to $100,000+
What Is Included in OAF’s Fixed Price?
Every OAF fixed-price proposal includes:
- All materials and labour
- City of Calgary development and building permits
- All required inspections (framing, plumbing, electrical, insulation, final)
- Project management
- Clean-up and debris removal
- Final occupancy certificate
SSIP Grant. Up to $10,000 Back
If you are building a legal suite, you may qualify for the City of Calgary’s Secondary Suite Incentive Program (SSIP), which provides up to $10,000 toward your project. The City does not maintain an approved SSIP contractor list; OAF helps eligible homeowners plan the suite scope, permit path, and reimbursement documentation.
Get Your Fixed-Price Quote
Contact OAF Construction for a free on-site consultation. You will receive a detailed fixed-price proposal within 5 business days. No obligation to proceed.