Working from Home Tax Deduction in Canada

If you work from home in Canada, you may be able to deduct a portion of your home expenses on your tax return. The rules differ depending on whether you are an employee or self-employed.

Employee Requirements

To claim home office expenses as an employee, you must meet one of these conditions:

• Your home is where you mainly (more than 50%) perform your employment duties, or
• You use a dedicated workspace in your home exclusively to earn employment income, and you use it on a regular and continuous basis for meeting clients or customers

Your employer must also complete and sign Form T2200, Declaration of Conditions of Employment, confirming you were required to work from home and pay for your own expenses.

Eligible Expenses for Employees

Employees who earn a salary can claim:

• Electricity, heat, and water
• Internet access fees (employment-use portion)
• Maintenance and minor repair costs
• Rent (if you rent your home)

Commission employees can also claim:

• Home insurance
• Property taxes
• A reasonable portion of lease payments for a computer, cell phone, or other equipment

Employees cannot claim mortgage interest, principal payments, or capital cost allowance on the home.

Self-Employed Individuals

Self-employed Canadians have broader deduction options. In addition to the expenses above, they can also claim:

• Mortgage interest (not the principal)
• Property taxes
• Home insurance
• Capital cost allowance (though this may have implications when you sell)

Calculating the Deduction

The most common approach is to calculate the percentage of your home used for work. Divide the area of your workspace by the total finished area of your home.

Example: If your home office is 150 square feet and your home is 1,500 square feet, your business-use percentage is 10%. You would claim 10% of eligible household expenses.

For shared spaces (like a kitchen table), you must also account for the percentage of time the space is used for work.

The Flat Rate Method (Temporary)

During the COVID-19 pandemic, the CRA introduced a simplified flat rate method allowing employees to claim $2 per day worked from home, up to a maximum. This temporary method is no longer available for the 2024 and subsequent tax years. Employees must now use the detailed method with Form T2200.

Filing the Claim

• Employees file Form T777, Statement of Employment Expenses, and enter the result on line 22900
• Self-employed individuals claim home office expenses on Form T2125, Statement of Business or Professional Activities
• Keep Form T2200 on file but do not submit it with your return unless CRA requests it

Common Mistakes to Avoid

1. Forgetting Form T2200 — without it, CRA will deny your employee claim
2. Claiming mortgage principal — only the interest portion qualifies, and only for self-employed
3. Overclaiming shared spaces — be realistic about the time percentage
4. Not keeping records — maintain utility bills, rent receipts, and internet invoices

Sources

• CRA — Home office expenses for employees
• CRA — Form T2200