Property Types
Mortgages for Mixed-Use Properties
A mixed use property mortgage in Canada depends on how lenders classify the building. Learn down payments, rates, CMHC rules, and how to qualify at a lender.
A mixed use property mortgage finances a building that combines residential and commercial space — think a ground-floor shop with apartments above. In Canada, the mortgage you qualify for depends on how lenders classify the property. If the building qualifies as residential, you may access residential rates, longer amortizations, and in some cases CMHC mortgage default insurance. If lenders classify it as commercial, expect bigger down payments, shorter amortizations, and higher rates.
What counts as a mixed-use property in Canada
Mixed-use is a broad label. Common examples include:
- A retail storefront, café, or convenience store on the main floor with one or more apartments above.
- A purpose-built live-work unit where you run a business from part of the home.
- A small professional office — accounting, dental, law — attached to a residence.
- A building with a few residential units plus a leased commercial space.
What matters is not the label but the numbers: floor area, appraised value, and rental income split between the residential and commercial sides. Municipal zoning is the starting point. Many cities have mixed-use or commercial-residential zones that permit both, while some strictly residential zones restrict or ban business activity. Verify permitted uses with your local planning department before you make an offer — a property that cannot legally be used as you intend is a financing problem, not just a paperwork one.
Residential or commercial? Why classification decides everything
Most Canadian lenders draw a line based on how much of the property is commercial. A common approach is to treat a building as residential when the commercial portion is limited, often around half the space or value, but the exact cutoff is lender policy rather than law. Ask each lender where it draws that line before you apply.
| Feature | Residential-classified | Commercial-classified |
|---|---|---|
| Down payment | Can be as low as 5% where the property qualifies, though many lenders ask for 20% or more in practice | Commonly 20% to 35% |
| CMHC default insurance | Possible if the property meets residential criteria | Not available |
| Qualification test | GDS/TDS plus the federal stress test | Lender's debt service coverage and net worth tests |
| Typical amortization | Generally up to 25 years for insured mortgages, longer in some cases | Often 15 to 25 years |
| Interest rate | Closer to residential rates | Typically higher, priced as a spread over prime rate or a bond benchmark |
The difference matters because commercial mortgages are underwritten as business loans. Federally regulated lenders apply the federal mortgage stress test to residential mortgage applications, but commercial lending is assessed using the lender's own policy, usually built around a debt service coverage ratio rather than GDS and TDS.
Down payments, rates, and amortization
If the property qualifies as residential, standard residential down payment rules may apply — as little as 5% on the insurable portion, with CMHC mortgage default insurance when your down payment is under 20%. Because the building contains a business, though, many lenders still ask for 20% or more and treat the file as higher risk.
If it is classified as commercial, expect a larger down payment and a different rate card. Commercial mortgage rates are typically higher than residential rates and move with the Bank of Canada policy rate and prime rate plus a spread the lender sets. Amortizations are usually shorter, often in the 15- to 25-year range.
Read the prepayment terms carefully. Commercial mortgages and many fixed-rate residential mortgages charge an interest rate differential (IRD) penalty or a three-month interest penalty if you break the term early — see IRD explained.
Qualifying: GDS/TDS, the stress test, and DSCR
On a residential-classified file, lenders calculate your gross debt service (GDS) and total debt service (TDS) ratios, and federally regulated lenders also apply the federal stress test: you must qualify at the higher of your contract rate plus two percentage points or the published qualifying-rate floor. Confirm the current floor with OSFI or your lender, and run your numbers through a mortgage stress test calculator.
On a commercial-classified file, the property has to carry itself. The lender reviews net operating income from the commercial lease and residential rents, then measures it against the mortgage payment using a debt service coverage ratio. A weak or month-to-month commercial tenant can sink the deal. Your personal income and net worth still matter, but the property's cash flow leads.
Zoning, property tax, insurance, and tax on the commercial portion
Mixed-use ownership carries costs a straightforward home does not:
- Property tax. Municipalities often assess the commercial and residential portions in different tax classes, so the commercial square footage can be taxed at a higher rate.
- Insurance. You generally need commercial liability coverage for the business space on top of residential property insurance, and standard home policies often exclude business use.
- GST/HST. The commercial portion of a purchase may attract GST/HST, and commercial rent is generally taxable. Some buyers can claim an input tax credit; confirm your situation with the CRA or a tax professional.
- Land transfer tax. Rules differ by province and sometimes treat the commercial portion separately. See land transfer tax in Canada.
If you plan to live in the building, ask whether you can use the RRSP Home Buyers' Plan or the First Home Savings Account (FHSA). Both have rules about what counts as a qualifying home, and a partly commercial building can complicate that. Confirm eligibility with the CRA before you rely on those funds.
Documents and steps to get approved
- Confirm zoning and permitted uses with the municipality.
- Get the lender's position on classification — residential or commercial — in writing.
- Order an appraisal that values the residential and commercial components separately.
- Prepare leases, rent rolls, and commercial tenant history if the space is tenanted.
- Gather your own income, tax, and net worth documents.
- Compare at least a few lenders, including a commercial lender and a broker who works with mixed-use files.
Budget for the possibility that a residential lender declines and you end up in the commercial market. That path is workable but costs more. Run your overall numbers with a mortgage affordability calculator, and if the residential units will be tenanted, read the guide to mortgages for rental properties.
Frequently asked questions
Can I get a residential mortgage on a mixed-use property?
Sometimes. Many lenders will treat the building as residential when the commercial portion is limited, often around half the space or value, but that cutoff is lender policy. If the commercial side is larger, the file usually moves to commercial lending. Ask each lender how it classifies your property before you apply, and get the answer in writing.
How much down payment do I need for a mixed-use property in Canada?
It depends on the classification. If the property qualifies as residential, standard rules can apply, including as little as 5% down with CMHC default insurance on the insurable portion. If it is commercial, expect a larger down payment, commonly in the 20% to 35% range. Confirm the lender's minimum for your specific building.
Does CMHC insure a mixed-use property mortgage?
CMHC mortgage default insurance is designed for residential properties, so a building with a significant commercial component generally will not qualify. If the commercial use is minor and the property meets CMHC's residential criteria, insurance may be possible. Check the current requirements on the CMHC website or with your lender before assuming you are eligible.
What is the difference between a mixed-use and a commercial mortgage?
A mixed-use mortgage covers a building with both residential and commercial space; a commercial mortgage covers a property that lenders treat as business-use only. The label depends on how much of the building is commercial. Mixed-use files can sometimes be underwritten as residential, which usually means a smaller down payment, a longer amortization, and a lower rate.