Contents:
- Brief Overview
- Pros of the Simplified Method
- Pros of the Regular Method
- A Seasonal Timeline
- What the Pros Know
- Differences Table
- When to Pick Simplified vs Regular
- Wrap-Up
- FAQ
- Can I switch methods from year to year?
- Does the regular method affect my home’s tax basis when I sell?
- Do I qualify for either home office deduction if I’m an employee, not self-employed?
- Does my home office need to be used exclusively for business?
- Can renters claim a home office deduction, or only homeowners?
What if the home office tax deduction sitting quietly available in your spare bedroom is genuinely worth several hundred dollars more than what you’re currently claiming each year?
Brief Overview
The IRS offers two methods for claiming a home office deduction: the simplified method, using a flat $5 per square foot, and the regular method, which calculates actual percentage-based expenses across your entire home.
Pros of the Simplified Method
The simplified method requires far less recordkeeping, calculated as $5 per square foot up to 300 square feet, capping the maximum deduction at $1,500 but saving significant time on documentation.
Pros of the Regular Method
The regular method often yields a larger deduction for homeowners with a sizable home office, calculating the business-use percentage of mortgage interest, utilities, insurance, and depreciation across the entire home.
A Seasonal Timeline
Choosing your method before year-end and tracking expenses accordingly throughout the year prevents a scramble each January trying to reconstruct actual home expense records after the fact.
What the Pros Know
Experienced accountants recommend calculating your deduction both ways before filing, since the simplified method’s convenience sometimes costs you a genuinely larger deduction available under the regular method.
Differences Table
- Calculation: Simplified uses $5 per square foot; regular uses actual percentage-based expenses.
- Maximum deduction: Simplified caps at $1,500; regular has no fixed cap.
- Recordkeeping: Simplified requires minimal documentation; regular requires detailed expense tracking.
- Depreciation: Simplified doesn’t allow home depreciation; regular does, with recapture implications at sale.
When to Pick Simplified vs Regular
Choose simplified if your home office space is modest and you want minimal paperwork, and choose regular if you have a larger office and meticulous expense records that would yield a bigger deduction.
Wrap-Up

Neither method is universally better, and running the actual numbers both ways each tax season ensures you’re claiming the genuinely larger deduction you’re legally entitled to.
FAQ
Can I switch methods from year to year?
Yes, you can choose a different method each tax year, though switching from regular back to simplified affects how you calculate any home depreciation previously claimed.
Does the regular method affect my home’s tax basis when I sell?
Yes, depreciation claimed under the regular method must be recaptured as taxable income when you eventually sell the home, an important consideration.
Do I qualify for either home office deduction if I’m an employee, not self-employed?
No, current tax law limits the home office deduction to self-employed individuals and business owners, not W-2 employees working from home.
Does my home office need to be used exclusively for business?
Yes, both methods require the space be used regularly and exclusively for business, so a kitchen table doubling as a workspace generally doesn’t qualify.
Can renters claim a home office deduction, or only homeowners?
Renters can claim the deduction too, calculating their business-use percentage against rent and utilities rather than mortgage interest and home depreciation.