Home Office Deduction Calculator

Self-employed individuals, freelancers, and sole proprietors who use part of their home exclusively and regularly for business can claim the home office deduction on Schedule C. W-2 employees cannot claim this deduction since the 2017 Tax Cuts and Jobs Act (TCJA) suspended the miscellaneous itemized deduction through 2025. The space must be your principal place of business or where you meet clients/customers.

The IRS Simplified Method allows you to deduct $5 per square foot of your home office, up to a maximum of 300 square feet — so the maximum deduction is $1,500 per year. This method requires no depreciation calculation and is easier to use, but it may result in a lower deduction than the Regular Method if your actual home expenses are high.

The Regular Method calculates your deduction based on the percentage of your home used for business (office sq ft ÷ total home sq ft). This business-use percentage is then applied to 'indirect' home expenses — rent or mortgage interest, utilities, insurance, and repairs — that benefit the entire home. You can also deduct 100% of 'direct' expenses (costs that apply only to the office, like painting just that room). The Regular Method often yields a larger deduction for high-expense homes.

No. Under either method, your home office deduction cannot exceed your gross business income for the year. If your calculated deduction is larger than your income, the excess amount can be carried forward to the next tax year (Regular Method only). The Simplified Method deduction cannot be carried forward.

Yes. You can choose whichever method gives you a better result each tax year. There is no requirement to use the same method every year. However, if you switch from the Regular Method (which includes depreciation) back to the Simplified Method, there are special rules about unallowed depreciation from prior years. Consult a tax professional if you've claimed depreciation under the Regular Method.