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7 Tax Changes in 2026 That Could Cut Your Federal Bill by Thousands
By Chris Adkins profile image Chris Adkins
2 min read

7 Tax Changes in 2026 That Could Cut Your Federal Bill by Thousands

The CRA indexed the 2026 federal tax brackets by 2.7% in January, which lifted the top threshold of the 15% bracket to $55,867. That shift alone saves someone earning $60,000 roughly $135 in federal tax.

But the real leverage in 2026 isn't bracket indexing. It's the seven specific rule changes and expanded thresholds that stack when you know which ones apply to you.

1. Open a First Home Savings Account before you file.

The FHSA contribution limit stayed at $8,000 for 2026, with a $40,000 lifetime cap. Contribute by Dec 31 and you deduct the full $8,000 on your return. That's $1,200 back at the lowest bracket, $2,640 at the top. Unlike an RRSP, when you pull the funds to buy your first home, they come out tax-free. No clawback later.

2. Claim the Multigenerational Home Renovation Tax Credit on a secondary suite.

New in 2023, expanded in 2026. If you built or renovated a secondary unit to house an elderly relative or an adult child with a disability, you can claim 15% of up to $50,000 in qualifying expenses. That's $7,500. The unit must meet CRA's "self-contained" test: private entrance, kitchen, bathroom. Keep all contractor invoices and the building permit.

3. Max the TFSA room at $7,000 before doing anything else.

The 2026 annual limit is $7,000, indexed to inflation in $500 increments. Anyone eligible since 2009 who has never contributed now has $102,000 of room. Every dollar you shelter grows tax-free forever. No deduction going in, but no tax coming out. For someone in the 26% bracket, $7,000 contributed to an RRSP saves $1,820 today but creates future taxable income. In a TFSA, all gains stay yours.

4. Track all side income and claim the flat-rate home office deduction if you qualify.

The CRA's simplified method for 2026 is $2 per day for each day you worked from home, maximum $500. You don't need floor plans or utility bills. A T2200S form from your employer (for employees) or self-employed status is enough. If your actual expenses (internet, utilities, rent) exceed $500, file Form T777 instead and deduct the full amount. Most people leave this unclaimed.

5. Defer capital gains into 2027 if you're close to the $250,000 threshold.

The 2024 rule change stuck: gains under $250,000 are taxed at a 50% inclusion rate. Above that, 66.67%. If you're selling a rental property or a portfolio of equities that will realize $260,000 in gains, splitting the sale across two years saves roughly $2,500 in federal tax. Coordinate the closing date.

The 2026 annual limit is $2,500, but most people don't realize they've been accruing it. For every year since 2019 that you earned income and filed a return, the CRA adds to your unused training credit room. Check your most recent Notice of Assessment for your balance. Tuition, exam fees, and certain professional development courses count. Non-refundable, but reduces tax owed directly.

7. Adjust your payroll deductions if you got a big refund last year.

A $4,000 refund means you loaned the government $333 a month at 0% interest. File a new TD1 with your employer and reduce withholding by the correct amount. The CRA won't call. You adjust it. The form is on the CRA site. Line-by-line instructions included.

The one most people skip is #4, even though it's the easiest to document and costs nothing to claim.