How to Pay Less Tax in Ontario in 2026 — A Complete Guide for Canadians
Published: April 2026 | Reading time: 10 min | Category: Tax Savings, Personal Finance
If you live in Ontario, you already know the tax bite is real. Between federal and provincial income tax, you could be handing over 43% or more of every extra dollar you earn. The good news? The Canadian tax system is loaded with legal ways to keep more of your money — and most people aren't using all of them.
This guide covers every major strategy available to Ontario residents in 2026, from basic deductions to advanced moves that most people miss. Whether you're employed, self-employed, or earning investment income, there's something here for you.
Why Ontario Residents Pay More Tax Than Most Canadians
Ontario's combined federal and provincial marginal tax rates are among the highest in Canada. Here's what you're actually paying depending on your income in 2026:
| Taxable Income | Combined Federal + Ontario Rate |
|---|---|
| Up to $51,446 | ~20.05% |
| $51,446 – $102,894 | ~24.15% |
| $102,894 – $150,000 | ~43.41% |
| $150,000 – $220,000 | ~46.41% |
| Over $220,000 | ~53.53% |
That top rate means for every extra $1,000 you earn over $220K, you keep only $465. This is why tax planning matters so much in Ontario — the stakes are genuinely high.
1. Max Out Your RRSP First
Your Registered Retirement Savings Plan (RRSP) is the single most powerful tax reduction tool available to most Canadians. Every dollar you contribute reduces your taxable income dollar-for-dollar.
How it works: If you're in the 43% bracket and contribute $10,000 to your RRSP, you save approximately $4,300 in taxes. That's real money back in your pocket today, plus your investments grow tax-free inside the account.
2026 RRSP contribution limit: 18% of your 2025 earned income, up to a maximum of $32,490. Check your Notice of Assessment or CRA My Account for your exact available room — unused room carries forward indefinitely.
Pro tip: If you have a spouse who earns less than you, contribute to a spousal RRSP instead. This shifts future retirement income to the lower-earning spouse, reducing your household tax bill in retirement when you start withdrawing.
2. Open an FHSA If You Haven't Bought a Home Yet
The First Home Savings Account (FHSA) is the best new account the federal government has introduced in years, and many Canadians still aren't using it.
Why it's special: It combines the best features of both the RRSP and TFSA:
- Contributions are tax-deductible (like an RRSP)
- Withdrawals for a first home purchase are completely tax-free (like a TFSA)
2026 limits: $8,000 per year, with a $40,000 lifetime maximum. Unused contribution room carries forward one year.
If you're a first-time buyer or haven't owned a home in the last four years, opening an FHSA and contributing the maximum is essentially free money from the government. At a 43% tax rate, a $8,000 contribution saves you $3,440 in taxes this year alone.
3. Use Your TFSA for High-Growth Investments
Your Tax-Free Savings Account (TFSA) doesn't reduce your tax bill today, but it eliminates taxes on investment growth permanently. Every dollar earned inside a TFSA — interest, dividends, capital gains — is yours to keep with zero tax owing, ever.
2026 cumulative TFSA room: If you've never contributed and were 18 or older in 2009, you now have $102,000 in total contribution room.
Strategy: Prioritize putting your highest-growth and highest-dividend investments inside your TFSA. Stocks, ETFs, and crypto you expect to grow significantly belong here. Low-growth cash savings are better off outside.
4. Claim Every Rental Property Expense
If you own a rental property, you have access to a wide range of deductions that directly reduce your rental income — and your tax bill.
Commonly claimed expenses:
- Mortgage interest (not principal)
- Property taxes
- Insurance premiums
- Repairs and maintenance
- Utilities you pay for
- Property management fees
- Advertising to find tenants
Expenses most landlords miss:
- Vehicle mileage — Track every trip to the property. Gas, insurance, maintenance, and depreciation on your car can all be claimed proportionally based on rental-use kilometres. Keep a mileage log — CRA regularly audits this.
- Home office deduction — If you manage your rental from a dedicated space at home, claim a proportional share of your mortgage interest, property taxes, utilities, and insurance.
- Phone and internet — A reasonable portion (typically 25–50%) of your monthly bill is deductible if you use it to manage the property.
- Accounting and legal fees — The portion of your tax preparation that relates to rental income is deductible.
- Capital Cost Allowance (CCA) — You can depreciate the value of the building over time, though be aware this triggers recapture tax when you sell.
Important distinction: Repairs (restoring something to its original condition) are fully deductible in the year they occur. Improvements (adding value or extending the life of the property) must be capitalized and claimed over multiple years. Replacing a broken furnace = repair. Adding central air conditioning = improvement.
5. Harvest Capital Losses Before December 31
If you hold investments that are currently worth less than what you paid for them, selling before year-end allows you to use those losses to offset capital gains you realized elsewhere in 2026.
How it works: Say you made $15,000 selling a stock earlier this year. You also have a crypto position sitting at a $10,000 loss. Selling the crypto before December 31 reduces your net taxable gain to $5,000 — saving you roughly $1,075 in taxes at a 43% marginal rate on the 50% inclusion amount.
Watch the superficial loss rule: You cannot repurchase the same or identical investment within 30 days of selling it for a loss, or CRA will deny the deduction. Wait 31 days, or buy a similar but not identical investment in the meantime.
Note on the 2024 capital gains inclusion rate change: For individuals, the first $250,000 of annual capital gains is still taxed at the 50% inclusion rate. Gains above $250,000 are now taxed at the 2/3 inclusion rate. If you're planning to realize large gains, timing matters.
6. Split Income With Your Spouse
Canada taxes individuals, not households. If you and your spouse are in very different tax brackets, shifting income from the higher earner to the lower earner can save significant taxes.
Legal income-splitting strategies:
- Spousal RRSP contributions — Contribute to your spouse's RRSP to equalize retirement income later
- Lending money to your spouse — At the CRA prescribed rate, your spouse can invest the funds and pay tax on the income at their lower rate
- Rental co-ownership — If your rental property is jointly owned, rental income is split proportionally. Consider structuring ownership to favour the lower-income spouse
- Paying your spouse a salary — If you're self-employed, you can pay your spouse a reasonable salary for legitimate work they do in the business
7. Maximize Every Tax Credit Available to Ontario Families
Tax credits directly reduce the amount of tax you owe — dollar for dollar. Here are the ones Ontario families most commonly miss:
Federal credits:
- Medical expenses — You can claim eligible medical costs for yourself, your spouse, and your children that exceed 3% of your net income (approximately $2,800 threshold for average incomes). Eligible expenses include prescriptions, dental work, orthodontics, glasses, physiotherapy, and more.
- Canada Caregiver Credit — If you support a dependent with a physical or mental impairment
- First-Time Home Buyers' Tax Credit — $1,500 credit (15% of $10,000) for qualifying first-time buyers
- Canada Training Credit — Up to $250/year toward eligible courses and professional development (accumulates over time)
Ontario provincial credits:
- Ontario Trillium Benefit — Combines the Ontario Energy and Property Tax Credit, Northern Ontario Energy Credit, and Ontario Sales Tax Credit. File Schedule ON-BEN with your return to claim it.
- Ontario Senior Homeowners' Property Tax Grant — If you're 64 or older and own your home, you may qualify for up to $500
- Ontario Political Contribution Tax Credit — Often overlooked; donations to Ontario political parties generate a substantial provincial tax credit
8. Deduct Work-From-Home Expenses
If your employer requires you to work from home and has provided you with a signed T2200 form, you can deduct a range of home office expenses using the detailed method:
- Rent or mortgage interest (proportional to office space)
- Utilities — electricity, heat, water
- Internet service
- Office supplies and equipment (with some limitations)
- Home maintenance costs related to the office space
How to calculate: Divide your home office square footage by your home's total square footage. That percentage applies to eligible home costs.
For example: 150 sq ft office in a 1,500 sq ft home = 10%. If you spend $24,000/year on rent and eligible utilities, you can deduct $2,400.
9. If You're Self-Employed, Deduct Everything Legitimate
Self-employed Canadians in Ontario have access to far more deductions than employees. If you run any kind of business — freelance, consulting, side hustle, or full-time — you can deduct:
- Business use of your home (same calculation as above)
- Vehicle expenses proportional to business use
- Business insurance
- Professional subscriptions and dues
- Marketing and advertising
- Business meals (50% deductible)
- Professional development and courses
- Accounting and legal fees
- Equipment and technology
When to consider incorporating: Once your self-employed net income consistently exceeds $80,000–$100,000, incorporating may make sense. Ontario's combined small business tax rate is approximately 12.2%, compared to personal rates of up to 53.53%. This doesn't mean you pay no personal tax — money you pay yourself as salary or dividends is still taxed personally — but it allows you to defer tax on retained earnings in the corporation.
10. Contribute to Your Children's RESP
A Registered Education Savings Plan (RESP) won't reduce your taxable income, but it generates free government money through the Canada Education Savings Grant (CESG): Ottawa adds 20% on the first $2,500 you contribute per child per year — that's $500 in free money annually, up to a $7,200 lifetime per child.
The real tax benefit: investment growth inside the RESP is taxed in the child's hands when withdrawn. Since most students have little or no income, they pay almost zero tax on the withdrawals — versus you paying your marginal rate if the money grew in a taxable account.
Quick Action Checklist for 2026
Before your tax return is due (April 30, 2026 for most people; June 15 for self-employed):
- [ ] Check your RRSP room on CRA My Account and contribute before the deadline
- [ ] Open an FHSA if you're eligible and contribute $8,000
- [ ] Gather all rental property receipts and categorize repairs vs. improvements
- [ ] Log vehicle mileage for rental property trips (reconstruct from calendar/Google Maps if needed)
- [ ] Review your investment accounts for capital losses to harvest
- [ ] Collect medical receipts for the year
- [ ] Confirm your employer has provided a T2200 if working from home
- [ ] File Schedule ON-BEN to claim the Ontario Trillium Benefit
- [ ] Contribute to your children's RESP to capture the CESG grant
The Bottom Line
At Ontario's marginal tax rates, every tax strategy you implement has a real, significant dollar value. A $20,000 RRSP contribution alone can save you $8,600 in taxes if you're in the 43% bracket. Add in rental deductions, capital loss harvesting, and credits, and it's realistic to reduce your tax bill by $10,000–$20,000 or more through careful planning.
The key is not to wait until tax time. The best tax strategies — RRSP contributions, TFSA investing, income splitting, mileage tracking — need to be implemented throughout the year, not scrambled together in April.
If your situation involves rental income, investments, and self-employment, consider working with a CPA who specializes in these areas. The fee is tax-deductible and typically pays for itself many times over.
Disclaimer: This article is for informational purposes only and does not constitute professional tax advice. Tax rules change regularly. Consult a qualified tax professional for advice specific to your situation.
You might also like:
- RRSP vs TFSA vs FHSA — Which Should You Prioritize in 2026?
- Rental Property Expenses Canadians Forget to Claim
- How Crypto is Taxed in Canada — What CRA Expects From You
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