Residential vs Commercial Mortgage Investing

Investors comparing mortgage investments soon find that the property behind a loan matters as much as the rate on it. Residential vs commercial mortgage investing is really a question about what is being relied on for repayment: a household’s income and a home many people might buy, or a building’s rents and a valuation built on assumptions about them. This guide sets the two side by side for Canadian investors — direct, syndicated or through a mortgage investment corporation (MIC) — without declaring a winner, because in general there is none.

Mortgage investments are not guaranteed. Returns are targets, not promises, and principal can be lost on either kind of loan. This is general education, not investment, tax or legal advice.

What separates residential from commercial mortgage investing?

The dividing line is the property and how it earns its value. In Canadian lending practice, residential mortgage investing usually means loans secured on homes of one to four units — detached and semi-detached houses, townhouses, condominium units and small multiplexes — whether owner-occupied or rented. Commercial mortgage investing in Canada covers property held to produce business income: offices, retail plazas, industrial buildings, mixed-use buildings and, usually, apartment buildings of five or more units, which lenders underwrite as commercial (multi-residential) loans even though people live in them. Land, construction and development loans are often grouped separately again because their risks are different.

Our guides to residential mortgage investing in Canada and commercial mortgage investing in Canada cover each market alone; this page covers the trade-offs.

Labels can mislead: a rented duplex is residential lending even though the borrower is an investor, and the Income Tax Act test for a MIC uses its own definitions from the National Housing Act, which do not map neatly onto a lender’s product categories.

How is each type of property valued?

Residential and commercial property are usually valued by different methods, and the method shapes how far the loan-to-value figure can be trusted. A residential appraisal normally relies on the direct comparison approach: the appraiser looks at recent sales of similar homes nearby and adjusts for differences. Where there are many recent comparable sales, the value is anchored to what buyers actually paid.

A commercial appraisal of an income-producing property usually leans on the income approach. The appraiser estimates net operating income (NOI) — rent collected minus operating costs — and divides it by a capitalization rate (cap rate), the yield buyers are assumed to require for that kind of property. The cost approach (what it would cost to rebuild, less depreciation, plus land) is used for special-purpose buildings with few comparable sales. Each method rests on inputs an investor can ask about, and whether the value is “as is” or “as complete” matters too — see our guide to as-is and as-complete appraisals.

So a residential value moves with the local sales market, while a commercial value moves with two inputs at once: the rent roll and the cap rate.

Worked example (illustrative): how one assumption moves a commercial LTV

Assume a small Ontario retail plaza with net operating income of $200,000 a year and a first mortgage of $2,000,000. All figures are illustrative round numbers, not market data.

1. At an assumed cap rate of 6.0%, value = $200,000 ÷ 0.060 = $3,333,333. Loan-to-value = $2,000,000 ÷ $3,333,333 = 60.0%.
2. At an assumed cap rate of 6.5%, value = $200,000 ÷ 0.065 = $3,076,923. Loan-to-value = $2,000,000 ÷ $3,076,923 = 65.0%.
3. If a tenant leaves and NOI falls 20% to $160,000 while the cap rate is 6.5%, value = $160,000 ÷ 0.065 = $2,461,538. Loan-to-value = $2,000,000 ÷ $2,461,538 = 81.3%.

Nothing about the loan changed. Half a percentage point on the cap rate and one lost tenant shrank the equity cushion from 40% of value to under 19%.

Compare a residential first mortgage of $520,000 on an Ontario house appraised at $800,000: loan-to-value = 65.0%. If comparable sales fall 10%, the value becomes $720,000 and loan-to-value = $520,000 ÷ $720,000 = 72.2%. Residential values fall too, but they respond to what similar homes sell for rather than to a formula with two moving inputs.

Who repays the loan?

Residential loans are repaid mainly from the borrower’s own income or from a refinance or sale of the home; commercial loans are repaid mainly from the property’s rents. That difference changes what an underwriter checks and what can go wrong.

On a residential loan, the lender assesses the borrower’s income, credit and other debts, and the exit — commonly a refinance or a sale at maturity. If the borrower loses income, payments can stop even though the house is unchanged.

On a commercial loan, the borrower is usually a corporation, and the lender looks at the property’s cash flow: the rent roll, lease expiries, the strength of the tenants and the debt service coverage ratio (DSCR), which is NOI divided by the annual loan payments. The owners often sign personally as guarantors, and lenders commonly take an assignment of rents as additional security. If a major tenant leaves, the cash flow that services the loan shrinks at the same moment the property’s value falls — a double hit residential lending does not usually face in the same form.

Which is safer, residential or commercial mortgage investing?

Neither is safer as a category. The risk of a particular loan depends far more on its loan-to-value, security position, borrower, exit plan and province than on whether the building is a house or a plaza. A conservative first mortgage on a fully leased industrial building can carry less risk than a high-ratio second mortgage on a house, and the reverse is just as possible.

What each type tends to offer, and to cost, is different:

• Resale depth. Homes in most Canadian cities sell to a broad pool of buyers. Commercial buyers are fewer and more specialised, so a sale can take longer and the price is harder to predict, especially for special-purpose property.
• Loan size and diversification. Residential loans are generally smaller, so a pool can spread capital across many borrowers. One commercial loan can be a large share of a fund, so a single default matters more.
• Information. Commercial borrowers produce leases, rent rolls and operating statements a lender can test; residential lending relies on personal income documents and a comparable-sales appraisal.
• Enforcement tools. Both are enforced through provincial processes — power of sale in Ontario, court-supervised proceedings in British Columbia and Alberta, for example. With income property, a lender may also collect rents directly or ask the court to appoint a receiver while the building is sold.

Higher potential return comes with higher risk. If a commercial loan is priced above a comparable residential one, the extra yield is the market’s compensation for tenant, valuation and concentration risk, not free income.

Residential and commercial mortgage investments side by side

The table compares a typical private first mortgage on each type of property. It compares characteristics, not rates or results, and either column can hold a high-risk or a lower-risk loan.

Where each kind of loan can lose money

Both kinds of loan lose money in the same basic way: the borrower stops paying, the property is sold through enforcement, and the net proceeds after costs and prior claims are less than what is owed. What differs is the route to that shortfall.

Residential losses tend to come from falling local prices combined with a high combined loan-to-value — especially on second mortgages, which are repaid only after the first — and from borrower financial distress. Commercial losses tend to come from lost tenants, rising cap rates, deferred maintenance, environmental contamination or a property so specialised that few buyers want it. Our guide to property value and marketability risk explains how a sale price can fall short of an appraisal, and mortgage enforcement across Canada explains how the sale itself works in each province.

Either way, unpaid interest, legal fees and sale costs are added to the debt during enforcement, so investors can lose some or all of the principal on a defaulted loan.

How the MIC rules shape the residential-commercial mix

For investors in a MIC, the balance between residential and commercial lending is partly set by tax law. Paragraph 130.1(6)(f) of the Income Tax Act requires that, throughout the year, at least 50% of the cost amount of a MIC’s property be residential mortgages (on houses or housing projects as defined in the National Housing Act), deposits insured by the Canada Deposit Insurance Corporation or held in a credit union, and money. A MIC can hold commercial mortgages, but they must fit within the balance.

Within that limit, MICs differ: some lend only on homes, others also hold commercial, construction or land loans. Lendmax Capital MIC, for example, lends residential first and second mortgages on one- to four-unit properties in Ontario, British Columbia and Alberta. Each MIC’s offering memorandum (OM) states its lending policy; its audited financial statements show what it actually holds.

What to check before investing in either

The questions are the same for both — what is the property worth, who repays, and what happens if they don’t — and each item below names where it is usually found.

• Lending policy by property type — the offering memorandum.
• Portfolio breakdown by property type, position and province — the audited financial statements and their notes, or the MIC’s investor reporting.
• Valuation approach, and whether the value is as-is or as-complete — the appraisal report; for a pooled fund, the OM’s description of its valuation policy.
• Weighted average loan-to-value, by property type where available — investor reporting or the OM.
• Rent roll, lease expiries and environmental site assessment (commercial) — the lender’s loan file, summarised in the mortgage commitment.
• Prior-ranking charges and arrears — the title search.
• Impaired loans and loss provisions — the audited financial statements.

One gap is worth stating plainly: investors in a pooled vehicle such as a MIC usually see portfolio-level information, not individual appraisals, rent rolls or credit files. Direct and syndicated investors usually see more of the individual loan file. It is worth asking what will be disclosed before investing, not after.

Common mistakes when comparing the two

• Treating “residential” as a risk rating. A high-ratio second mortgage on a house can carry more risk than a conservative first mortgage on a leased industrial building.
• Accepting a commercial value without its cap rate. An income-approach value is only as reliable as the NOI and cap-rate assumptions behind it.
• Assuming enforcement works the same everywhere. Mortgage enforcement is provincial, and a specialised commercial property can take longer to sell than a house.
• Assuming either resembles a bank deposit. Neither residential nor commercial mortgage investments are deposits, and neither carries CDIC deposit insurance.

What this means for a mortgage investor

Residential and commercial mortgage investing differ in how the property is valued, who repays the loan and how readily the property sells if the loan goes wrong; neither is safer by category. Residential lending usually offers deeper resale markets and smaller loans, while commercial lending adds tenant, cap-rate and concentration risk alongside fuller property information and additional enforcement tools. The label matters less than the seven axes on which every mortgage investment varies: the borrower, the property, the loan-to-value, the security position, the term, the jurisdiction and the investment structure. Reading each of them in the documents comes before comparing yields.