10/28/2026
"You already have an office somewhere else, so no home-office deduction."
That's what an IRS auditor told a self-employed real estate agent. Her CPA agreed. They were both wrong.
She had a shared desk at her brokerage, which she used for floor duty every other week and two sales meetings a month. Everything else happened in her home office: billing, scheduling, record keeping, and managing files.
Since 1999, your home office can count as your principal place of business when:
1. You use it regularly and exclusively for administrative or management work for your business, and
2. You have no other fixed location where you do substantial administrative or management work.
IRS Publication 587 says you can have more than one business location, including your home, for the same business. It also says that having space available somewhere else, and choosing to do that work at home instead, doesn't disqualify you.
The 2026 trap: W-2 employees can't deduct a home office at all, and that rule is now permanent. If you're paid as an independent contractor, keep your contractor agreement on file, because it's what keeps you out of the employee category. If you own a corporation and work for it as an employee, the right route is a reimbursement from your company, not a deduction on your personal return.
And "exclusive" still means exclusive. A guest room that doubles as your office won't qualify.
Not sure your home office would hold up in an audit? Let's review it before you file.
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