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Isabella Santos

Tax Deductions for Primary Residence in Multifamily House - Owner Occupied Units

I'm trying to figure out the tax situation for my 4-unit property that I purchased last year. I live in one unit, rent out another unit, and my parents live in the other two units rent-free (they help with maintenance and watching my kids when I'm at work). Before I hire a tax person to help file, I wanted to understand some basics that seem to have conflicting information online: 1. For the rental unit, can I deduct all the renovation costs I did this year (new kitchen, bathroom upgrade) from the rental income immediately? Or do I have to spread these costs out over 27.5 years as depreciation? I spent around $22,000 fixing up that unit. 2. What about the units my parents live in? I renovated both of their bathrooms and replaced the flooring (about $15,000 total). Can I claim any deductions for improvements to units that family occupies for free? 3. For insurance purposes - can I deduct 75% of my homeowner's insurance (for the 3 units I don't personally live in)? The total policy is about $3,400 annually. This is my first time filing taxes with a multi-family property, and I want to make sure I understand the basics before meeting with a professional.

StarStrider

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The tax rules for multi-family properties where you live in one unit can be tricky, but I can help clarify! 1. For the rental unit renovations, you'll need to distinguish between repairs and improvements. Repairs (fixing broken items, minor touch-ups) can be fully deducted in the same year. However, improvements that add value or extend the life of the property (like your kitchen renovation and bathroom upgrade) must be depreciated over 27.5 years. You can't deduct the full $22,000 this year, unfortunately. 2. For the units your parents occupy rent-free, this gets complicated. Since you're not collecting income from these units, you generally can't deduct expenses related to them. The IRS views these as personal use units, similar to your primary residence. The renovations would be considered personal expenses, not deductible for tax purposes. 3. Regarding insurance, you can only deduct the portion related to the rental unit (25% in your case), not the units your parents occupy rent-free. The portion for your primary residence and the rent-free units isn't deductible as a rental expense.

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Thanks for the detailed response. For the rental unit improvements, is there any way to classify some of the work as repairs instead of improvements to get a larger deduction this year? Like if the kitchen renovation was because the old cabinets were water damaged and falling apart? Also, what if I started charging my parents a below-market rent (say $300/month each) - would that change anything about deducting expenses for their units?

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StarStrider

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For the rental unit, you might be able to classify some work as repairs if they truly were fixing damaged items rather than improvements. If cabinets were water damaged and you replaced them with similar (not upgraded) cabinets, you could argue that's a repair. But if you upgraded from laminate to granite countertops or expanded the kitchen layout, that's clearly an improvement that must be depreciated. If you started charging your parents rent, even below-market, those units would then be considered rental properties. You could deduct expenses proportionate to the fair market value percentage. For example, if fair market rent is $1,000 but you charge $300, you could potentially deduct 30% of the expenses for those units. However, the IRS scrutinizes family rental arrangements, so document everything and ensure there's a formal lease agreement in place.

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Ravi Gupta

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I was in a similar situation last year with my duplex and found this amazing tool at https://taxr.ai that saved me thousands. I was confused about exactly what you're asking - which repairs could be deducted immediately vs depreciated. The software analyzed all my renovation receipts and categorized each expense correctly between repairs and improvements. It even flagged some items I thought were improvements that could actually be deducted immediately! For your multi-family situation, it would be perfect since it handles mixed-use properties where you occupy one unit. I uploaded my insurance policy and it automatically calculated the deductible percentages. Much easier than trying to figure it out myself and having the IRS question it later.

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Did it help with the family member occupied units too? My brother lives in part of my triplex and I never know how to handle those expenses.

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Omar Hassan

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How accurate was it compared to what your tax professional advised? I've tried other tax software but they always seem to miss the nuances of rental property, especially with mixed personal/rental use.

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Ravi Gupta

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It definitely handled the family member unit situation. It asks specific questions about your arrangement with family members, whether they're paying rent (even partial rent), and how that impacts deductions. Really clear explanations about what qualifies and what doesn't. The accuracy was actually what impressed my CPA. I had my accountant review everything after I used it, and she said it caught things she would have classified differently. It was especially good with the borderline repair vs. improvement items, where it applies the most recent IRS guidance. She actually asked what I used because it saved her time on the classification work.

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Omar Hassan

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I just wanted to follow up about that taxr.ai recommendation. I was skeptical but tried it for my situation (I own a 4-plex and live in one unit). The tool was incredibly helpful - it walked me through each renovation expense and helped me correctly classify about $5,000 worth of what I thought were improvements as actual repairs that could be deducted immediately. What impressed me most was how it handled the partial personal use situation. It even helped me set up proper documentation for my brother's unit where I charge minimal rent, showing me exactly how to calculate the deductible percentage based on fair market value comparisons. My accountant was surprised at how organized everything was when I brought it to her!

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I've been dealing with the IRS for three years trying to get clarification on my multi-family property deductions! After spending literally hours on hold and getting disconnected repeatedly, I found https://claimyr.com which got me connected to an actual IRS agent in less than 20 minutes. You can see how it works here: https://youtu.be/_kiP6q8DX5c The agent I spoke with gave me clear guidance on exactly your situation - particularly about the family-occupied units and what documentation I needed to support my deductions. Apparently there are specific rules about "fair rental" tests that apply when family members live in your property. The agent walked me through everything and now I have written documentation from the IRS supporting my deduction approach.

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How does this actually work? Do they just call the IRS for you? Couldn't I just keep calling myself and eventually get through?

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Diego Vargas

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Diego Vargas

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CosmicCruiser

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I own a 5-unit building and had the same questions last year. Here's what I learned: 1) Improvements are ALWAYS depreciated over 27.5 years - kitchen renovations, new bathrooms, etc. But be smart about how you categorize! Example: Instead of "new kitchen cabinets" (improvement), break it down. Cabinet removal = repair. Patching drywall = repair. Only the new cabinets themselves = improvement. 2) For family units, start charging nominal rent ($100/month) with a formal lease. Makes a HUGE difference tax-wise. 3) Track EVERYTHING separately by unit. This saved me during an audit. Also, don't forget about depreciation recapture when you eventually sell! That bit me hard last time.

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Thanks for the advice! How did you handle splitting up utilities for tax purposes? My building has some shared meters for water and gas.

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CosmicCruiser

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For split utilities, I calculate square footage percentages for each unit and allocate accordingly. So if the rental unit is 30% of total building square footage, I deduct 30% of shared utilities as rental expenses. Keep a spreadsheet showing your calculation method - this is exactly what the IRS asked for during my audit. For water specifically, I installed separate flow meters ($200 each) on the main water lines to each unit. This gives exact usage and strengthens my deduction claims. Best $1000 I spent on the property honestly, since it also helped me identify a major leak in one unit that would have cost thousands more if undetected.

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Has anyone here used TurboTax for a multi-family property situation? I'm wondering if it handles all these allocation issues correctly or if I need specialized rental property software?

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Sean Doyle

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I used TurboTax last year for my duplex and it was adequate but not great. It doesn't have good guidance for family-occupied units and struggled with some of the repair vs improvement categorization. I ended up using their "talk to a tax pro" add-on service which cost extra. This year I'm going with a dedicated rental property accountant.

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Ryan Vasquez

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I'm in a similar situation with my triplex and wanted to share what I learned from my CPA last year. One key thing not mentioned yet is the "exclusive use" test for your personal residence unit. Make sure you're not accidentally claiming deductions for shared spaces like hallways, basements, or common areas that you use personally - these can't be allocated to rental units. Also, for the family-occupied units, consider having your parents pay for their own utilities separately if possible. This helps establish a clearer business relationship and makes the rental nature more defensible if questioned. Even if they're not paying rent, having them cover their own electric/gas bills creates better documentation. One more tip: if you're doing significant renovations, take detailed before/after photos and keep all receipts organized by unit. During tax season, this makes the repair vs improvement determination much clearer, and it's invaluable if you ever face an audit.

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Great point about the exclusive use test! I hadn't considered that shared spaces could be an issue. Quick question - what about a shared laundry room in the basement that all units use? Can I still allocate a portion of basement expenses to the rental units, or does my personal use of the laundry facilities disqualify the entire space? Also, regarding the utility separation idea for family members - did your CPA mention anything about how this affects the "fair rental" calculation? I'm wondering if having them pay utilities might actually require me to reduce any nominal rent I charge since they're covering additional expenses.

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Lucas Kowalski

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I've been managing rental properties for over a decade and wanted to add a few important points that might help: For your renovation expenses, document everything with contractor invoices that clearly separate labor from materials. The IRS often looks more favorably on repairs when you can show you were fixing specific problems rather than just upgrading. For example, "replaced water-damaged subfloor and matching laminate" reads very different from "installed new luxury vinyl plank flooring." Regarding your parents' units, there's actually a middle ground option many people miss: you could establish a "services in lieu of rent" arrangement. If they're genuinely providing property maintenance and childcare services, document the fair market value of those services and treat it as if they're paying rent equal to that value, then you're paying them for services. This requires careful documentation but can make those units qualify as rental property for tax purposes. One critical point about the insurance deduction - make sure you're not double-counting. If you're deducting insurance as a rental expense for the rental unit, you can't also claim it as part of your homeowner's deduction on Schedule A. The IRS catches this overlap frequently. Finally, consider setting up a separate business checking account for all property-related expenses, even for your primary residence portion. It makes record-keeping much cleaner and shows the IRS you're treating this seriously as a business operation.

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