Cool How To Get Tax Deduction For Home Office References. You can write off up to 100% of some expenses for your home office, such as the cost of repairs to the space. Section 23(b) of the income tax act states that a tax deduction for home office expenses will only be considered:

If the room is regularly and exclusively used for the purposes. So if your office space breaks down to 10% of your home’s total square. To do this calculation, multiply the square footage of your home office (up to 300 square feet) by $5.