A quick valuation metric calculated by dividing the property's purchase price by its gross annual rental income. A property priced at $600,000 generating $30,000 per year in rent has a GRM of 20. Lower GRMs generally indicate better income potential relative to the price, though the metric ignores operating expenses, vacancies, and financing costs.
Why It Matters
GRM is useful for fast comparisons when evaluating multiple GTA investment properties side by side. A condo with a GRM of 18 looks better on paper than one at 25, but you need to dig deeper into expenses and vacancy risk before drawing conclusions. Use GRM as a first-pass filter, then follow up with more detailed metrics like cap rate and cash-on-cash return.
Real-World Example
You are comparing two GTA investment properties. Property A is a condo in Mississauga listed at $480,000, renting for $2,200 per month or $26,400 per year -- a GRM of 18.2. Property B is a condo in downtown Toronto listed at $650,000, renting for $2,800 per month or $33,600 per year -- a GRM of 19.3. Property A has a lower GRM, suggesting better income potential per dollar spent, but you still need to compare condo fees, location risk, and appreciation potential before deciding.
Ontario & GTA Context
GRM values in the GTA vary significantly by municipality and property type. Downtown Toronto condos typically have GRMs of 20 to 28 due to high purchase prices relative to rents. Properties in the 905 region -- Oshawa, Hamilton, Brampton -- often show GRMs of 14 to 20, reflecting lower purchase prices and relatively strong rents. Freehold houses with legal secondary suites tend to have the lowest GRMs in the GTA because they generate higher gross rents relative to purchase price.
How It Works in Practice
Use GRM as a quick screening tool when browsing dozens of listings. Calculate it mentally by dividing the asking price by estimated annual rent. If the GRM is above 25, the property will almost certainly have negative cash flow without a very large down payment. Shortlist properties with GRMs below 20 for deeper analysis with cap rate and cash flow models.
Common Questions
What is a good GRM for a rental property in the GTA?▾
Why does GRM ignore expenses?▾
Related Guides
Related Tools
Need Guidance?
Get a second opinion on your real estate situation. No pressure, no obligation.
The RAZZ Report
Market insights and practical advice delivered to your inbox.