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New to Canada With Side Income? How to File Your First Canadian Tax Return

12/19/2025

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​If you are new to Canada and earning side income, filing your first Canadian tax return can feel confusing.

Freelance work, rideshare driving, tutoring, or selling online often start as small side gigs. Then tax season arrives and you are left wondering what the CRA expects and whether you have done something wrong.

You are not alone. Most newcomers with side income feel this way.

This guide explains how side income is taxed in Canada, what counts as self employment income, and how to file your first return with confidence.

What counts as side income or self employment income in Canada?

In Canada, income earned outside a regular T4 job is usually considered self employment income by the CRA.
This includes income from:
  • Freelance or contract work
  • Uber, Lyft, DoorDash, Instacart, and other app based work
  • Etsy, Shopify, or Facebook Marketplace sales
  • Tutoring, consulting, design, or translation services
  • Short term gigs like photography or home repairs
If no tax was deducted before you were paid, the CRA expects this income to be reported on your tax return.

The good news is that you are taxed on net income, not total sales. This means you can deduct reasonable business expenses such as supplies, platform fees, tools, and the business portion of your phone or internet.

Keeping receipts from the start makes filing easier and protects you if the CRA ever asks questions.

Do I need to file taxes in Canada if my side income is small? 

Yes, in most cases you should still file.

Filing your Canadian tax return does more than report income. It helps establish your financial history in Canada.
When you file:
  • You may qualify for GST or HST credits and other benefits
  • You build RRSP contribution room for future savings
  • You create income records needed for rentals, loans, or mortgages
  • You avoid future CRA issues by staying compliant early

Skipping filing often leads to bigger problems later. A clean first return keeps things simple as your income grows.

How to prepare your first Canadian tax return with side income

You do not need complicated systems. You need clear records.

Set up your CRA account

Create your CRA My Account and register for direct deposit. This allows you to receive refunds, credits, and notices without delay.

If possible, open a separate bank account for your side income. It keeps business and personal transactions clear.

Track your income and expenses

Focus on three areas:
  • Income records like invoices, app payout summaries, or sales reports
  • Expense receipts with notes about their business use
  • Mileage logs if you drive for work, including dates and kilometres
Consistency matters more than perfection.

Understand your profit and loss


A simple profit and loss summary shows how much you earned after expenses. This helps you plan for taxes and avoid surprises.

Filing your tax returnYou can file using certified tax software or work with a tax professional. You will complete the self employment section of your return, which calculates your net business income.

Always review your return before submitting. Even when you get help, you are responsible for what is filed.

First time filing taxes in Canada checklist
  • CRA My Account set up
  • Direct deposit active
  • Side income records collected
  • Expense receipts organized
  • Mileage or home office notes
  • Simple profit and loss summary
  • Questions written down in advance

Need help filing taxes as a newcomer with side income?

I have created a short guide with examples and a starter checklist for newcomers earning side income in Canada.

If you want clarity and peace of mind, reach out for one to one support. Your first Canadian tax return does not have to be stressful.

Book a coffee chat or message me to get your checklist.
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    Author

    Dayani Castro is a Cuban-born, proud Canadian bookkeeper and tax consultant known for bringing calm, clarity, and confidence to entrepreneurs who want more than “just bookkeeping.”

    She arrived in Canada in 2008 with her daughter, a suitcase, and a determination to create a different kind of future. She wanted independence, opportunity, and stability for her family. Starting over from zero taught her the power of community, clarity, and resilience.

    In 2012, she opened her own firm with a simple mission: to help other immigrants and small business owners avoid the confusion and financial stress she once faced. Today, she supports clients across Ontario with reliable monthly bookkeeping, practical tax guidance, and clear explanations that often make people say, “Now it finally makes sense.” Her vision goes far beyond balanced books and always is looking for learning opportunities to improve her skills and help others.

    Dayani helps people build the kind of financial confidence that opens new possibilities for their business, their family, and their community.

    IMPORTANT: this blog is for informational and educational purposes only. 

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