Working from home is common, but not everyone can deduct their home office on their taxes. Here is exactly who qualifies, which method to use, and the mistakes that trigger audits.
The Big Rule: W-2 Employees Do Not Qualify
If you are a W-2 employee, you cannot claim the home office deduction on your federal return — even if you work from home full-time. The Tax Cuts and Jobs Act eliminated the unreimbursed employee expense deduction starting in 2018 through 2025. Some states still allow it (New York and California, for example), but on your federal 1040, it is off the table.
The deduction is available to self-employed individuals, sole proprietors, independent contractors, and partners or members of an LLC who receive a Schedule K-1. If you file a Schedule C, you are likely eligible.
The Exclusive Use Test
Your home office space must be used regularly and exclusively for business. That means a dedicated room or clearly defined area. If your desk doubles as the family homework station or a dining table, it does not pass the test. The IRS takes this requirement seriously.
There are two narrow exceptions: if you use part of your home for daycare services or for storing inventory or product samples for a retail business, the exclusive use requirement is relaxed.
Simplified Method vs. Regular Method
The IRS gives you two ways to calculate the deduction, and you pick whichever benefits you more each year.
Simplified method: Multiply your office square footage (up to 300 sq ft) by $5. Max deduction is $1,500. No depreciation, no tracking receipts. Fast and easy.
Regular method: Calculate the actual expenses of your home — mortgage interest or rent, utilities, insurance, repairs, depreciation — and allocate the percentage that your office occupies. If your office is 200 sq ft in a 2,000 sq ft home, you deduct 10% of those expenses.
The regular method usually produces a larger deduction, but it requires meticulous record-keeping and introduces depreciation recapture when you sell your home. For most people earning under six figures from self-employment, the simplified method is the better trade-off.
Common Mistakes That Trigger Problems
- Claiming a shared space: A corner of your living room where you sometimes answer emails does not qualify. It must be a dedicated workspace.
- W-2 employees claiming it: Filing Form 8829 when you are not self-employed is a red flag.
- Inflating square footage: Measure your actual office, not the general area around it.
- Forgetting depreciation recapture: If you use the regular method and later sell your home, the IRS will want taxes on the depreciation you claimed.
Bottom Line
The home office deduction is valuable for self-employed people who have a dedicated workspace. Choose the simplified method for ease, or the regular method if your actual expenses are high. Either way, keep records and make sure you pass the exclusive use test.