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Rental Property Expenses You Can Deduct in Ontario

Learn which rental costs Ontario landlords can deduct, including interest, repairs, insurance and property tax, and which must be treated as capital.

Real Estate4 min readTSLBy the Treadstone Law Team · OntarioUpdated October 28, 2026
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Key takeaways
  • A landlord can deduct any reasonable expenses incurred to earn rental income.
  • A repair that restores the property to its original condition is generally deductible, while a capital expense gives a lasting benefit.
  • Mortgage principal and land transfer tax are not deductible rental expenses.
  • If you rent only part of a property, you can claim only the expenses that relate to the rented area.

When you file your taxes as a landlord, the question is rarely whether you can deduct expenses. It is which ones, and whether a particular bill counts as a current expense this year or a capital cost that is handled differently.

This article goes through the usual categories: interest, property tax, insurance, repairs and improvements, and the costs that are not deductible. It describes the general approach, and the right answer for a given bill can depend on the facts.

The basic test

A landlord can deduct any reasonable expenses incurred to earn rental income. The expenses go on Form T776, and the net result is reported on line 12600 of your T1 return.

Income is reported on a calendar-year basis, and the accrual method is the default. In practice that means expenses are matched to the year they relate to, so keep invoices and dates.

Interest, property tax and insurance

If you refinance and use some of the money for something personal, such as a vacation or paying off a personal debt, keep a clear record of how the funds were used. The deductible interest follows the use of the money.

Repairs versus capital expenses

This is the area where landlords most often go wrong. A repair that simply restores a property to its original condition is generally a current expense, which means you can deduct it in the year. A capital expense generally gives a lasting benefit or advantage.

Repairs that are capital in nature cannot be deducted as repairs. Capital cost allowance (CCA) may be claimed on them instead. For the purposes of the tax you pay on a later sale, capital improvements are added to the adjusted cost base, while current expenses such as maintenance and repairs are not.

Type of costGenerallyTreatment
Restoring something to its original conditionCurrent expenseDeductible in the year
Work that gives a lasting benefit or advantageCapital expenseNo repair deduction; CCA may be claimed
Capital improvementsAdded to costIncrease the adjusted cost base

Whether a particular job is a repair or an improvement depends on the facts. Replacing a worn part is different from upgrading to something better, and a large renovation may include both. Ask your accountant to classify bigger jobs.

Costs that are not deductible as rental expenses

Mortgage principal repayments are not deductible. Land transfer taxes are added to the property's cost rather than deducted as a rental expense. Costs of selling, such as brokers' fees, legal fees and advertising, are outlays and expenses of the sale. They reduce the capital gain and cannot be deducted from other income.

Landlords sometimes assume that because the money was spent on the property it must be deductible. The tax system looks at what the money was for, not just where it went.

Renting part of a property or below market

If only part of a property is rented, you can claim only the expenses that relate to the rented area. The split can be based on square metres or number of rooms, for example 3 of 12 rooms is 25%. Expenses for renting part of a property cannot be claimed if there is no reasonable expectation of profit.

Renting below fair market value is treated as a cost-sharing arrangement, so a rental loss cannot be claimed. This can matter if you rent to a relative at a reduced rate.

What to do next

Frequently asked questions

Can I deduct my mortgage payments?

Only part of them. Interest on money borrowed to buy or improve the property is deductible. Mortgage principal repayments are not deductible.

How do I know if a cost is a repair or an improvement?

A repair that restores the property to its original condition is generally a current expense. A capital expense generally gives a lasting benefit or advantage. Borderline jobs depend on the facts, so ask your accountant.

Can I deduct land transfer tax on my rental purchase?

No, not as a rental expense. Land transfer taxes are added to the property's cost.

I rent out a basement or a few rooms. What share can I claim?

You can claim only the expenses that relate to the rented area. The split can be based on square metres or number of rooms. Expenses cannot be claimed if there is no reasonable expectation of profit.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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