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Hannah Flores

How can renters properly claim home office deduction on IRS Form 8829?

I'm in a bit of a confusing situation with the home office deduction for my husband's freelance business. We're currently renting our apartment, and have a dedicated room that's exclusively used for his graphic design work. I'm trying to fill out Form 8829 for his business, but I keep running into issues with how the form seems structured. I noticed that the allowable operating expenses on Form 8829 is calculated as the smaller of lines 15 or 26. Line 15 seems to be based on mortgage interest, property taxes, and casualty losses - none of which apply to us as renters. Line 26 includes our actual expenses like rent, utilities, renter's insurance, etc. Since we don't have mortgage interest or property taxes, our line 15 is always going to be $0. Does this mean we can never deduct our actual rental expenses on Form 8829? Is using the simplified method ($5 per square foot up to 300 sq ft) our only option as renters? I feel like I must be missing something since surely renters with home offices should be able to deduct their expenses too. Any guidance would be much appreciated!

You're definitely not missing anything - this is a confusing part of Form 8829 that trips up many renters with home offices! As a renter, you actually CAN claim your home office deduction using Form 8829, despite how the form might appear. The key is understanding how to properly allocate your expenses. For renters, you'll still calculate your business percentage (line 7) based on the square footage used exclusively for business. Where it gets tricky is the "Operation Expenses" section. You're right that line 15 will be zero since you don't have mortgage interest or property taxes. However, as a renter, you'll enter your rent and utility expenses on lines 16-19 (the "Other expenses" section). Your rent would go on line 18. After completing the form correctly, your deduction will flow through to Schedule C. Many tax software programs handle this automatically once you input that you're a renter with a home office. That said, the simplified method ($5 per square foot, up to 300 square feet) is certainly easier and might be sufficient depending on your actual expenses and office size. If your office is larger than 300 sq ft or your allocated rent is significantly higher than the simplified deduction would provide, it's worth doing both calculations to see which gives you the better deduction.

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Thanks for this explanation! I'm also a renter with a home office and was super confused. Quick question - when entering rent on line 18, do I enter the full year's rent for the entire apartment, or just the portion allocated to my office? And for utilities like internet that I use for both business and personal, do I put the full amount or try to figure out what percentage is business?

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For rent on line 18, you should enter the full annual rent for your entire apartment. The form will automatically calculate the business portion based on the business percentage you entered on line 7. For utilities like internet that are used for both business and personal purposes, enter the full annual amount on the appropriate line. Again, the form will apply your business percentage to determine the deductible portion. However, if you have any utilities that are 100% business (like maybe a dedicated business phone line), you wouldn't include those here - those would be direct business expenses on Schedule C.

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Did it help you determine whether to use the regular method or simplified method? I'm trying to decide which is better for my situation. My home office is about 180 sq ft in a 900 sq ft apartment with $1600/month rent.

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It actually calculated both methods side by side and showed me that in my situation, the regular method gave me a much larger deduction - almost $1,800 more than the simplified method would have! With your numbers, your office is 20% of your apartment, so potentially $3,840 in rent allocation alone (20% of $19,200 annual rent), which is way more than the simplified $900 maximum (180 sq ft × $5). The service was definitely worth it for me. The IRS instructions are free but honestly they're confusing, especially for renters using Form 8829. The tool not only figured out the best approach but also provided documentation showing exactly how I determined my business percentage and expense allocations in case of an audit.

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I'm an accountant and I see this confusion with my clients all the time. Here's a simplified breakdown: For renters with home offices: 1. You CAN use Form 8829 and potentially get a larger deduction than the simplified method 2. Your rent goes on line 18 (Other expenses) 3. Utilities, insurance, etc. go on lines 19-20 4. Line 15 will be zero, but that's OK 5. Your business percentage (line 7) will automatically be applied to calculate your deduction Do a quick comparison: - Simplified: $5 × sq ft (max 300 sq ft = $1,500) - Regular: Business % × (rent + utilities + insurance) For example, if your office is 15% of your home, rent is $2000/month, and utilities are $300/month, your annual deduction could be around $4,140 using the regular method versus a maximum of $1,500 with simplified. The regular method requires more record-keeping, but the larger deduction is often worth it, especially in high-rent areas.

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This is so helpful, thank you! I've been filing Schedule C for years but always used the simplified method because I was intimidated by Form 8829. If I switch to the regular method this year, will that raise audit flags since I'm changing methods?

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Changing from simplified to regular method is completely allowed and won't inherently trigger an audit. The IRS understands that taxpayers' situations change, and they may choose different methods in different years. However, once you use the regular method for a specific home, you cannot switch back to the simplified method for that same home in future years. So make sure the regular method truly benefits you before switching, as it's somewhat of a one-way decision unless you move to a new residence.

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Quick tip from someone who does this every year - take PICTURES of your home office space! I learned this from a tax preparer friend. Having dated photos showing the space is exclusively used for business can be super helpful if you ever get questioned about the deduction. I keep a folder with: - Photos from multiple angles showing the dedicated space - A floor plan with measurements - Pics of business equipment in the space - Utility bills and rent statements This documentation has saved me twice during IRS correspondence audits. They specifically questioned my home office deduction both times, and having this ready-to-go evidence made it a non-issue.

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That's a great idea! Do you take new pictures every year? And how do you handle the floor plan - do you draw it yourself or use something more official?

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