How to File Taxes for the First Time in Canada 2026: Step-by-Step Guide

Last April, my client Aisha almost missed out on $1,400 in government credits. She was 19, had her first part-time job, and assumed she did not need to file taxes because she made only $11,000. Her mom told her “you do not make enough to owe anything.” Mom was right about not owing tax, but wrong about not needing to file. By filing her first return, Aisha received a $519 GST/HST credit, $360 in Ontario Trillium Benefit, and built $1,980 in RRSP contribution room for the future. That 20-minute task was worth $1,400 in cash and set the foundation for a lifetime of smart tax planning.

Step 1: Gather Your Tax Documents

Before you open any tax software, collect these documents. Most employers and financial institutions issue tax slips by the end of February.

Step 2: Choose Your Free Tax Software

You do not need to pay for tax software. Canada has several excellent free options that are certified by the CRA for electronic filing.

Step 3: Fill Out Your Return

With Wealthsimple Tax, the process takes most first-time filers 20-40 minutes. Here is the general flow. For context on how much tax you will actually owe, check our 2026 Marginal Tax Rates guide.

Step 4: Claim Every Credit You Deserve

First-time filers often miss valuable credits because they do not know they exist. Here are the ones most relevant to you:

GST/HST Credit (Refundable)

This quarterly payment offsets the sales tax burden for low- and moderate-income Canadians. For 2026, singles can receive up to $519 per year. You must file a return and check the GST/HST credit box to receive it. Payments are issued quarterly (July, October, January, April). You qualify if your net income is below approximately $50,000 for singles.

Ontario Trillium Benefit (Refundable)

This combines three Ontario credits: the Ontario Energy and Property Tax Credit, the Northern Ontario Energy Credit, and the Ontario Sales Tax Credit. If you pay rent or property tax in Ontario, you can receive monthly payments. For renters, enter your total rent paid for the year and your landlord's name. You do not need rent receipts to file, but keep them in case CRA asks.

Tuition Tax Credit (Non-Refundable)

If you attended post-secondary school, your T2202 slip shows eligible tuition amounts. The federal credit is 15% of eligible tuition. If you do not have enough income to use the full credit this year, it carries forward indefinitely until you do. You can also transfer up to $5,000 of unused credit to a parent, grandparent, or spouse. Do not let these credits go unclaimed.

Canada Child Benefit (If Applicable)

If you are a first-time filer with children, filing your return is essential to receive the Canada Child Benefit. For 2026, the maximum is $7,787 per child under 6 and $6,570 per child aged 6-17. Both parents must file returns for the household to receive this benefit.

Step 5: Set Up CRA My Account

CRA My Account is your portal to the Canadian tax system. Setting it up now saves you time every year going forward.

Common First-Timer Mistakes to Avoid

After You File: What Happens Next

Once your return is NETFILE-submitted, here is the timeline:

• Immediately: You receive a NETFILE confirmation number. Save this.
• Within 2 weeks: Your Notice of Assessment (NOA) appears in CRA My Account if you filed electronically with direct deposit.
• Within 2 weeks: Your refund is deposited if you set up direct deposit.
• July 2026: First GST/HST credit payment arrives (if eligible).
• Monthly: Ontario Trillium Benefit payments begin (if eligible).
• Check your NOA carefully: It confirms your return was processed and shows your RRSP deduction limit for next year.