Introduction
Working from home does not create a deduction. Eligibility depends on your business status, how you use the space, and whether you meet current IRS requirements. Many taxpayers assume a spare-room desk is enough. It usually isn't.
This guide covers U.S. federal rules for tax year 2026. That year's return is generally filed in 2027. It does not cover state, local, or Australian tax rules, and it is not individualized tax advice.
We'll walk through eligibility, deductible expenses, the simplified and regular methods, reporting, and recordkeeping.
Key Takeaways
- The deduction is for qualifying self-employed taxpayers who use space regularly and exclusively for business.
- Compare the simplified and regular methods, and confirm 2026 figures against final IRS instructions.
- Direct expenses are deducted fully, while indirect home expenses need a business-use allocation.
- Measurements, receipts, and entity-specific reporting support the deduction.
Who Qualifies for the Business Use of Home Deduction?
Sole proprietors, freelancers, independent contractors, and partners may qualify if the home use relates to a real trade or business. A profit-seeking activity that isn't a trade or business does not qualify.
W-2 employees cannot claim an individual home office deduction in 2026, even if the employer requires remote work. The One Big Beautiful Bill Act (P.L. 119-21, section 70110) removed the sunset on the miscellaneous itemized deduction bar, so it is now permanent. A separate self-employed activity stands on its own, so a freelancer who also holds a job isn't automatically disqualified.
Exclusive and regular use tests
Exclusive use means a specific area is used only for business. A spare room with a desk, files, and nothing else passes. A dining table that doubles as a workspace fails.
Regular use means ongoing, not occasional. Answering emails at the kitchen counter a few times a month doesn't count.
Principal place of business and other qualifying uses
Your home office can qualify through any one of three routes:
- Principal place of business: you do administrative or management work there, and no other fixed location hosts substantial administrative work.
- Client meetings: you regularly meet clients, patients, or customers there in the normal course of business.
- Separate structure: a detached garage, studio, or similar building is used regularly and exclusively for business.
IRS Publication 587 gives an example. An attorney works three days a week in rented office space and two in an exclusively business home office, where she regularly meets clients. She qualifies through the client-meeting route despite the rented office.
Exceptions and special situations
Two exceptions waive the exclusive-use rule.
- Inventory or product samples: you run a wholesale or retail business, the home is your only fixed business location, storage is regular, and the space is separately identifiable and suitable.
- Daycare: you provide regular care for children, people 65 or older, or people unable to care for themselves, and you hold or are exempt from required licensing.
A few other rules apply:
- Each business is tested separately. Qualified businesses sharing one home share one simplified-method cap.
- More than one home can qualify. You may use the simplified method for only one home per year and actual expenses for the others.
- S corporation shareholder-employees follow a different route, covered below.
Multiple businesses or homes warrant a professional review.
What Home and Business Expenses Can You Deduct?
Direct, indirect, and unrelated expenses
| Category | Examples | Treatment |
|---|---|---|
| Direct | Painting or repairing only the office | Fully business-allocable |
| Indirect | Whole-home insurance, utilities, general repairs | Multiplied by business-use percentage |
| Unrelated | Lawn care, painting a personal bedroom | Not deductible as home office costs |
Under the regular method, eligible costs include rent, mortgage interest, real estate taxes, insurance, utilities, repairs, maintenance, depreciation, and qualifying casualty losses. Interest, taxes, and casualty losses carry their own limits.
Home office costs versus other business expenses
Advertising, wages, supplies, software, dues, and equipment depreciation are ordinary business expenses. They sit outside the home office deduction. Don't claim the same dollar twice.
You can't deduct the personal share of a mixed-use expense. Telephone is a common trap:
- Basic local service on your first residential landline is personal and nondeductible.
- Business long-distance calls and an exclusively business second line are separate business deductions.
"Writing off a house"
You can't deduct a home's purchase price or all household costs. You deduct the business-use percentage of eligible costs. Depreciation uses the business percentage times the smaller of adjusted basis or fair market value at conversion, excluding land, over 39 years straight-line.
Two consequences follow:
- The deduction cannot exceed your qualifying business income.
- When you sell, gain tied to depreciation allowed or allowable after May 6, 1997 cannot be excluded as home-sale gain.
How to Calculate the Deduction for 2026
Two approaches exist: the simplified method and the regular (actual-expense) method.
Verify before filing. Before you file, confirm the simplified rate and square-footage cap in the final 2026 Publication 587 and Form 8829 instructions. Draft versions may still show the existing figures, and drafts are not for filing.
The simplified method
According to the 2026 Schedule C draft, the formula is business square footage times $5, capped at 300 square feet. That gives an arithmetic ceiling of $1,500, before income and partial-year limits.
Advantages:
- No allocation of actual expenses
- Lighter recordkeeping
- Mortgage interest and property taxes stay available on Schedule A without a business-use reduction
Limitations:
- No home depreciation
- No new carryover when the limit disallows a deduction
- Earlier actual-method carryovers can't be used in a simplified year
For partial years, add the allowable area for each month, divide by 12, and apply the 300 sq ft monthly cap. A month with fewer than 15 days of qualifying use counts as zero.
The regular or actual-expense method
- Find your business-use percentage: office area divided by total home area. Any reasonable, accurate method works. If rooms are roughly equal in size, you can divide business rooms by total rooms.
- Deduct qualifying direct expenses in full.
- Multiply indirect expenses by the percentage.
- For partial-year use, include only expenses paid or incurred during qualifying use.
Limits, carryovers, and choosing a method
The deduction can't exceed business income from the home use, reduced by other business deductions. The 2026 draft Form 8829 applies the limit in order: casualty losses, mortgage interest, and real estate taxes first, then operating expenses, then excess casualty losses and depreciation. Disallowed amounts carry forward under the regular method.
You can switch methods each year. You choose on a timely filed original return and can't change that year's method later.
Consider the regular method when:
- Housing costs are high
- The office is large
- You own and want depreciation
Consider the simplified method when:
- You want less paperwork
- The office is small
- Your housing costs are modest
Run both calculations before filing.
Hypothetical example
These figures are invented to show the process. They are not a tax result or an IRS statistic.
A freelancer has a 150 sq ft office in a 1,500 sq ft home. Annual rent is $24,000, utilities are $3,000, and a repainted office wall cost $200.
- Simplified: 150 × $5 = $750
- Regular: 10% × ($24,000 + $3,000) = $2,700, plus $200 direct = $2,900
The regular method yields more here, assuming business income covers it. It also requires receipts and a Form 8829.
How to Claim the Deduction and Report It on the Correct Forms
Step-by-step workflow
- Confirm eligibility and the qualifying test (exclusive and regular use).
- Measure the office and the whole home for your business-use percentage.
- Gather expense records for the year you are claiming.
- Separate direct costs from indirect (shared) costs.
- Choose the simplified or actual expense method.
- Apply the income limitation so the deduction does not create a loss.
- Transfer the result to the correct return or schedule.
Reporting by taxpayer type
| Taxpayer | Reporting |
|---|---|
| Schedule C proprietor, actual method | Form 8829, with the total flowing to Schedule C line 30 |
| Schedule C proprietor, simplified | Schedule C instructions worksheet to line 30; no Form 8829 |
| Partner | Unreimbursed partnership expenses via the Publication 587 worksheet; Schedule E, separate line (labeled UPE) |
| Farmer | Publication 587 worksheet to Schedule F |
| S corporation shareholder-employee | No personal deduction; the corporation may reimburse under an accountable plan |
| Single-member LLC | Reports as Schedule C, E, or F as appropriate |
| LLC taxed as a corporation | Follows corporate treatment |
Partner rules depend on the partnership agreement and on the expense being required and unreimbursed. Verify line numbers against current-year instructions, since they can shift.
An accountable plan requires:
- A business connection for the expense
- Substantiation within a reasonable period
- Return of any excess advances
A reimbursement cannot simply replace wages.
VJM Global's tax and accounting professionals can help U.S. business owners review documentation, choose a calculation method, and keep reporting compliant. VJM Global also prepares Form 1040 returns for U.S. individual taxpayers. Final treatment depends on your facts and current IRS rules.
Records to Keep and Common Mistakes to Avoid
Documentation checklist
- Floor plan or measurements, and total home square footage
- Lease or ownership and purchase records
- Utility, insurance, and repair bills
- Receipts and cancelled checks
- Dates and description of business use
- Evidence of business purpose, such as client meeting logs
Keep business and personal finances separate, store digital copies, and reconcile regularly. Follow the IRS record-retention guidance. Property and basis records should be kept through the limitations period for the year you dispose of the property.
When evidence fails in court
In Thunstedt v. Commissioner (T.C. Memo. 2013-280), the Tax Court denied a deduction. The taxpayer did substantial administrative work at home, but square footage figures first raised in a reply brief were not accepted as evidence. The storage exception also failed because an outside storage facility meant the home wasn't the sole fixed location.
Common errors
- Claiming the deduction as an ineligible employee
- Using a shared personal workspace
- Overstating the business area
- Failing to prorate partial-year use
- Overlooking the income limitation
- Double-counting expenses
- Using outdated rates
- Ignoring depreciation recapture or entity-specific rules
The IRS "Home Office Deduction" web page carries an archival warning. Don't treat it as current law. Rely on current Publication 587, the Form 8829 instructions, and the Schedule C instructions.
Frequently Asked Questions
How do I calculate the home office deduction?
Under the regular method, divide office area by total home area, deduct direct costs fully, and multiply indirect costs by that percentage. Or use the simplified method at $5 per square foot. Both are subject to income limits.
What is the simplified method for business use of home?
It's an IRS safe harbor (Rev. Proc. 2013-13) using a set rate per square foot up to 300 square feet. You skip allocating actual expenses, but get no home depreciation or new carryover.
How do I claim work-from-home expenses in 2026?
Self-employed taxpayers claim qualifying costs on Schedule C, with Form 8829 for the actual method. Employees can't deduct ordinary remote-work costs individually. Check the final 2026 form instructions.
What is the maximum home office deduction for 2026?
The 2026 draft simplified method has an arithmetic ceiling of $1,500 ($5 × 300 sq ft), though income and partial-year limits may lower it. The regular method has no flat cap but remains subject to income limits.
Who is ineligible to claim the deduction?
W-2 employees, taxpayers whose space isn't used regularly and exclusively (absent an exception), and those who can't substantiate business use. Shareholder-employees of S corporations also can't claim it personally.
What can I deduct from my home office?
Direct office costs, the business share of indirect home costs, and actual-method depreciation. Other business expenses are deducted separately. Personal costs and duplicate claims are off-limits.
