Home Office Deduction Calculator

Calculate your IRS home office deduction as a self-employed person. Compare simplified vs regular method, see your tax savings, and understand the depreciation recapture risk.

sq ft
sq ft
$
Best Deduction (Regular Method)
$2,400
Tax savings at 22%: $528 · Office: 10.0% of home
Simplified Method
$900
Regular Method
$2,400
Simplified Tax Savings
$198
Regular Tax Savings
$528

Enter your actual home expense categories for the most accurate regular method comparison.

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Simplified Method
$900
180 sq ft × $5/sq ft
Tax savings: $198
No depreciation recapture at sale. Cannot carry forward excess.
Regular Method
$3,020
10.0% of $30,200 total expenses
Tax savings: $664
Depreciation recapture risk at sale. Can carry forward unused deduction.
Recommendation: The regular method saves you $466 more per year. Worth the extra recordkeeping.

The regular method deducts the office percentage of each home expense category. Use the inputs from the Advanced section above — results are shown here proportionally.

Expense CategoryTotal AnnualOffice % (10.0%)Deductible Amount
Mortgage Interest$12,00010.0%$1,200
Property Taxes$4,80010.0%$480
Home Insurance$1,80010.0%$180
Utilities$3,60010.0%$360
Repairs & Maintenance$2,00010.0%$200
Home Depreciation$6,00010.0%$600
Total$30,200$3,020
Total Deduction
$3,020
Federal Tax Savings
$664
vs. Simplified Savings
$466
Regular vs Simplified
Effective Deduction Rate
10.0%

How to Use This Home Office Deduction Calculator

This calculator is for self-employed individuals, freelancers, and business owners who work from home. W-2 employees cannot claim the federal home office deduction after the Tax Cuts and Jobs Act of 2017 suspended that benefit through 2025.

Simplified vs. Regular Method

Simplified: Deduction = Office Sq Ft (max 300) × $5 = Max $1,500/year

Regular: Office % = Office Sq Ft / Total Home Sq Ft
Deduction = Office % × Total Home Expenses

The simplified method was introduced by the IRS in 2013 to reduce paperwork. It caps the deduction at $1,500 (300 sq ft × $5) and does not allow a carry-forward of unused deductions. The regular method requires tracking all home expenses but typically produces a much larger deduction — and crucially, it allows you to deduct the office's share of home depreciation.

The break-even point depends on your office percentage. For a 10% office-to-home ratio, the regular method wins when your total home expenses exceed $15,000/year. For high-cost markets (California, New York), total expenses easily clear $40,000+, making the regular method far superior on the federal level.

Example: Home Office Deduction Comparison

180 sq ft office in a 1,800 sq ft home — 10%

Mortgage Interest$12,000
Property Taxes$4,800
Insurance$1,800
Utilities$3,600
Repairs$2,000
Total Home Expenses$24,200
Regular Method Deduction (10%)$2,420
Simplified Method Deduction$900
Additional Deduction (Regular)$1,520 more
Extra Tax Savings at 22%$334/year

The regular method wins by $334/year in this example — but requires careful recordkeeping and creates depreciation recapture risk at sale.

Frequently Asked Questions

No. The Tax Cuts and Jobs Act (2017) suspended the employee business expense deduction (Form 2106) for W-2 employees through 2025. Remote employees — even those required to work from home by their employer — cannot deduct home office expenses on their federal return. Self-employed individuals, sole proprietors, and some partners in partnerships can still claim it on Schedule C or Schedule E.
The IRS requires the space be used only for business — no personal activities. A dedicated room with the door closed is ideal. A corner of your living room used for both work and watching TV generally does not qualify. The IRS does allow exceptions for licensed daycare facilities and inventory storage. The space does not need to be a separate room — a clearly defined area within a room can qualify if it is used exclusively for business.
Use this calculator to compare both methods for your specific situation. The regular method almost always wins if you have significant home expenses (mortgage interest, high property taxes) and a large office space. The simplified method is better when: (1) your home expenses are low, (2) you plan to sell soon and want to avoid depreciation recapture, or (3) the recordkeeping burden of the regular method is not worth the extra savings.
When you use the regular method and deduct the office's share of home depreciation, those depreciation deductions must be "recaptured" when you sell your home — even if you no longer have a home office. The recaptured amount is taxed at 25%, not your normal capital gains rate. This is true even if the sale otherwise qualifies for the $250,000 ($500,000 MFJ) primary residence exclusion. The IRS tracks this as "unrecaptured Section 1250 gain."
No — state conformity varies significantly. Several major states including California, New York, New Jersey, Pennsylvania, Massachusetts, Illinois, and North Carolina do NOT allow the home office deduction at the state level. This means your federal savings are real, but you get no additional state tax benefit. Conversely, states like Texas, Florida, and Washington have no income tax at all, so the federal deduction is the only one that matters.

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