2025 Ontario Landlord Tax Guide

A practical Ontario landlord tax guide covering CRA rental reporting, deductible expenses, CCA rules, Ontario 2026 rates, and common filing mistakes.

Disclaimer: This guide is for informational purposes only. Consult a tax professional for advice specific to your situation.

2025 Ontario Landlord Tax Guide

Overview

If you own rental property in Ontario, your rental tax reporting rules are primarily federal CRA rules. In practice, you calculate rental results on Form T776, then carry totals to your T1 return. (CRA T4036, CRA Form T776, Completing T776)

Ontario-specific impact comes through provincial tax brackets, credits, and forms administered via CRA (ON428, ON479, ON-BEN). Net rental income can move you through Ontario brackets. (CRA Ontario package, Ontario 2026 PIT XLSX)

Most landlord filing errors are classification/documentation issues: current vs capital, interest vs principal, and weak mixed-use allocation support. (CRA current vs capital, CRA deductible expenses)

Table of Contents

  1. Income reporting: forms, lines, and workflow
  2. Deductible expenses and non-deductible traps
  3. CCA (depreciation): classes, limits, recapture
  4. Key deadlines and instalments
  5. Common Ontario landlord mistakes
  6. Ontario-specific 2026 brackets/rates and forms
  7. Worked example
  8. Vacancy, below-FMV rent, documentation
  9. Free alternatives vs this guide
  10. Filing checklist + advanced scenarios + Q&A
  11. Official resources

1) Income reporting: forms, lines, and how to file correctly

Form T776 is your rental worksheet

For most individual Ontario landlords, Form T776 is where rental income and expenses are computed before anything is entered on the T1. (CRA T776, CRA T4036)

T1 line mapping

  • Line 12599 = gross rental income
  • Line 12600 = net rental income (or loss)

(CRA lines 12599/12600)

The full guide covers: every CRA expense category, current-vs-capital decision rules, CCA classes/limits, terminal loss mechanics, 2026 Ontario bracket extraction from official XLSX, ON428/ON479/ON-BEN usage context, GST/HST caution for long-term rental treatment, a full worked landlord example, and a filing checklist.
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