Is Your Rental Property Actually Profitable? 5 Numbers Every Landlord Should Track

Are You Making Money or Just Collecting Rent?

Getting rent every month feels good. But does that automatically mean your rental property is profitable?

Not necessarily.

After mortgage payments, property taxes, insurance, maintenance, and other expenses, you might be surprised by how little is actually left.

That’s why landlords shouldn’t focus on rental income alone. They need to understand the numbers behind their investment.

Here are five important numbers every landlord should track to understand how their rental property is really performing.

1. Gross Rental Income

Start with how much your property generates in rent.

For example, if your rental brings in $2,200 per month:

$2,200 × 12 months = $26,400 in potential annual rental income.

However, remember that potential income isn’t always the same as what you actually collect.

Vacancies, unpaid rent, and other income interruptions can reduce your total.

Track:

• Monthly rental income.
• Annual rent collected.
• Missed or unpaid rent.
• Vacancy periods.

Why it matters: You need to know how much money your property actually brings in before evaluating its profitability.

2. Operating Expenses

Next, look at what it costs to keep the property running.

Common rental operating expenses include:

• Property taxes.
• Insurance.
• Maintenance and repairs.
• Utilities paid by the landlord.
• Property management fees.
• Landscaping and cleaning.
• Other recurring operating costs.

Let’s say your property generates $26,400 annually but costs $8,000 in operating expenses.

That’s a significant difference between what you collect and what you actually retain from operations.

It’s also important to distinguish regular repairs from capital improvements. The CRA treats these differently for tax purposes. Read the CRA’s rental expense guidelines.

Why it matters: Tracking expenses helps you identify where your rental income is going and where costs might be reduced.

3. Net Operating Income (NOI)

Net Operating Income, or NOI, shows how much your property earns from its operations after operating expenses.

The formula is:

NOI = Effective Rental Income − Operating Expenses

Using our example:

• Annual rental income collected: $26,400
• Operating expenses: $8,000
• Annual NOI: $18,400

One important distinction: NOI is calculated before mortgage payments, income taxes, and major capital expenditures.

Why it matters: NOI helps you understand how well the property performs independently of your financing arrangements.

4. Monthly Cash Flow

This is the number many landlords care about most.

Cash flow tells you how much money remains after operating expenses and mortgage debt payments.

Let’s continue with our example:

• Annual NOI: $18,400
• Annual mortgage payments: $14,400
• Annual cash flow: $4,000

That’s approximately $333 per month in positive cash flow.

However, don’t forget to budget separately for major repairs, future replacements, and unexpected expenses.

A property can have positive cash flow on paper but still put pressure on your finances when a major repair comes along.

Why it matters: Positive cash flow helps you understand whether the property is generating money after its regular operating and financing costs.

5. Cash-on-Cash Return

Finally, look at your cash-on-cash return.

This measures the annual pre-tax cash flow compared with the actual cash you invested in the property.

The formula:

Cash-on-Cash Return = Annual Pre-Tax Cash Flow ÷ Initial Cash Investment × 100

For example:

• Initial cash investment: $80,000
• Annual pre-tax cash flow: $4,000
• Cash-on-cash return: 5%

This gives you a way to evaluate how effectively your invested cash is generating rental income.

It can also help when comparing different investment opportunities.

Why it matters: A property might generate positive cash flow, but you also want to understand how that return compares with the money you put into it.

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What Hamilton and Niagara Landlords Should Keep in Mind

Rental profitability isn’t determined by rent alone.

Local vacancy rates, competition, property condition, maintenance costs, and tenant demand can all affect your investment.

CMHC’s 2025 Rental Market Report recorded purpose-built rental vacancy rates of:

• Hamilton: 3.6%
• St. Catharines–Niagara: 3.9%

These figures show why landlords should pay attention to local rental conditions when reviewing their property’s performance. Individual properties and neighbourhoods can have very different results.

Explore CMHC’s Canadian Rental Market Report.

How Professional Property Management Can Help

Keeping track of rental income and expenses is important, but managing the property behind those numbers matters just as much.

At Welcome Home Management, we help landlords across Hamilton and Niagara with:

• Rental pricing and tenant placement.
• Rent collection.
• Maintenance coordination.
• Property inspections.
• Tenant communication.
• Day-to-day rental administration.

Having consistent management systems can help landlords stay organized, monitor expenses, and make more informed decisions about their investments.

If you’re unsure whether your rental property is performing as well as it should, professional management can help you take a closer look.

Book a 15-minute conversation with Welcome Home Management.

The Bottom Line

Owning a rental property is about more than collecting rent every month.

You need to understand what comes in, what goes out, and what you’re actually earning.

Start tracking these five numbers:

1. Gross rental income.
2. Operating expenses.
3. Net operating income.
4. Monthly cash flow.
5. Cash-on-cash return.

You don’t need to be an accountant to understand your rental property’s performance. But you do need to know your numbers.

Because the goal isn’t simply to own rental property. It’s to own rental property that makes financial sense.

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This article is for general educational purposes only and is not financial, tax, or investment advice. Actual rental property returns depend on individual circumstances. Consult a qualified accountant or financial professional for advice specific to your investment.