Things You'll Need:
- Form 8829
- Form 1040
- Schedule C tax form
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Step 1
Get an accounting of your state and local real-estate taxes and hold onto these documents. If you paid escrow funds to cover your property taxes, your mortgage statement should list how much you paid.
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Step 2
Determine how much square footage of your home is used for business purposes including a home office space and/or storage of inventory.
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Step 3
Derive a percentage of business use of your home by dividing the business use square footage by the total square footage of your home.
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Step 4
Enter real-estate taxes on Line 11 of Form 8829 from the IRS (see Resources below). You use form 8829 to deduct expenses for the business use of your home.
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Step 5
Follow the instructions on Form 8829 for calculating the business percentage of real estate taxes and other related expenses. In general, you will multiply your real-estate taxes by the business-use percentage.
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Step 6
Attach Form 8829 to Schedule C and Form 1040 from the IRS and file your tax returns.
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Step 7
Deduct the remaining real-estate tax expense after subtracting the business-use portion on your personal itemized tax returns.












