The Real Value of a Legal Basement Suite in Calgary
Adding a legal basement suite is one of the highest-ROI renovations you can do in Calgary. Here’s what the numbers actually look like.
Direct Property Value Impact
Legal basement suites typically add $100,000 to $200,000+ to a Calgary home’s appraised value, depending on:
- Size of the suite (1BR vs 2BR)
- Quality of finishes
- Neighbourhood
- Current rental market
Rental Income ROI
| Suite Type | Monthly Rent | Annual Income | Payback on $90K Investment |
|---|---|---|---|
| 1-bedroom basic | $1,300 | $15,600 | 5.8 years |
| 1-bedroom premium | $1,600 | $19,200 | 4.7 years |
| 2-bedroom standard | $1,800 | $21,600 | 4.2 years |
| 2-bedroom premium | $2,200 | $26,400 | 3.4 years |
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⚠ Estimate Disclaimer: These are only ROUGH estimates that can vary wildly. Do not take these numbers as gospel. Having a defined scope of work and exact selections will give you clarity.
Full Financial Picture (10-Year View)
Investment: $90,000 for a legal 1-bedroom suite
- Year 1 property value increase: $120,000
- Year 1 rental income: $15,600
- 10-year cumulative rent (with 3% increases): $179,000
- 10-year property value increase (with 3% appreciation): $190,000
- Total 10-year value: $369,000 on a $90K investment
Additional Benefits
- Qualifies for rental income on mortgage qualification
- May help with refinancing
- Provides housing flexibility (aging parents, adult kids)
- Hedges against economic uncertainty
Potential Downsides
- Landlord responsibilities (tenant management, repairs)
- Property taxes may increase slightly
- Insurance may cost more
- Loss of basement as private family space
Ready to Add a Suite?
Contact Olympic City Renovations for a free consultation.
Olympic City Renovations serves Calgary, Priddis, Okotoks, and surrounding communities. We specialize in kitchen renovations, bathroom renovations, basement developments, and luxury garage builds.
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Planning your renovation? Start with our complete Calgary renovation guide.

