Business Use of Home

Office in the Home Sch-C Filers

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For sole proprietors filing Schedule C, Form 8829 is used to claim the home office deduction under either the traditional or simplified method. Choosing the traditional method under Form 8829 typically provides the greatest tax savings, especially for those with higher home expenses or who may need to carry forward deductions.

Traditional Method

The traditional method allows you to deduct a portion of mortgage interest, rent, property taxes, utilities, depreciation, and direct expenses based on the percentage of your home used exclusively for business. If deductions exceed business income, indirect expenses carry forward to offset future profits, ensuring no tax benefits are lost.

Simplified Method

The simplified method provides a flat $5 per square foot, up to 300 sq. ft. ($1,500 max), eliminating the need to track actual expenses. However, it does not allow carryforward deductions in a loss year and often results in a smaller deduction compared to the traditional method.

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S-Corp and Partnership filers:

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Accountable Plan (No Sch-E):

An S-Corp can utilize the same home office deduction methods as a Schedule C filer, but instead of deducting expenses directly, the business must reimburse you personally through an Accountable Plan. This requires a formal agreement stating that the S-Corp will cover a percentage of home office expenses and classify the payments as Office Expenses, ensuring compliance while maximizing deductions. This method would not allow you to Depreciate on your property.

More In-depth Plan (max deductions)(with Sch-E)

Renting your home to your business offers tax benefits if structured properly. A formal lease agreement with fair market rent and actual payments from the business to your personal account is required. The self-rental rule disallows losses if you own over 50% of the business, but setting rent to match expenses helps minimize taxable rental income. Expenses must be allocated by business use, with direct expenses fully deductible and indirect expenses proportionally allocated. Depreciation can be claimed on the business-use portion. Disallowed losses are carried forward if rental income is depleted, preserving deductions.