Commercial real estate depreciation calculation on distressed property purchase - which value to use?
I'm looking at buying a distressed commercial property from a bank for significantly below market value. The building originally sold for $1.5 million, the bank is currently asking $1.25 million, but we think we can get it for around $625k. It'll need about $300-450k in renovations, but once it's fully rented, it should conservatively generate around $350k in annual net income. My question is about calculating depreciation for tax purposes. When you acquire a property well below market value, which figure do you use for depreciation calculations? Is it: 1. The actual purchase price I pay 2. An appraiser's estimate of the property value before renovations 3. The appraised value after renovations when it reaches projected rental income I'm still negotiating with the bank (they're at $875k and we're far apart), but a colleague mentioned the tax benefits from depreciation could be significant. I'm just not clear if depreciation is based on what I actually pay or the assessed value, and if it's assessed value, when is that assessment done? At purchase or after renovations and leasing?
18 comments


Dmitry Kuznetsov
Depreciation for tax purposes is calculated based on your cost basis in the property, not an appraised value. Your cost basis includes the purchase price plus capital improvements (not repairs) and certain closing costs. In your case, you would start with the actual purchase price you pay (let's say $625k), then add the cost of renovations that qualify as capital improvements (likely most of your $300-450k budget if you're renovating a distressed property). So your depreciable basis would be approximately $925k-$1.07M. For commercial real estate, you'll generally depreciate the building portion (not the land) over 39 years using the straight-line method. You'll need to allocate your purchase price between land and building, typically through an appraisal or assessment.
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Ava Thompson
•Thanks for the explanation. So does that mean I can't include future expected value in the depreciation calculation? What if I get it appraised right after purchasing and it shows the property is worth $2M even before renovations because the bank just wanted it off their books?
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Dmitry Kuznetsov
•The appraised value after purchase doesn't affect your depreciation basis, regardless of what that appraisal shows. The IRS only cares what you actually paid for the property plus qualifying improvements. That's your cost basis. If you get an appraisal showing the property is worth $2M right after purchasing for $625k, that's great for your investment return metrics, but it doesn't change your depreciation calculations. The appraisal would be useful for determining the land-to-building ratio, but not for increasing your depreciable basis beyond what you paid.
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Miguel Ramos
Just wanted to share my experience with something similar. I was struggling with calculating depreciation on a commercial property I bought at a steep discount. I discovered this tool called taxr.ai (https://taxr.ai) that was super helpful for running different depreciation scenarios. I uploaded my purchase docs and renovation estimates, and it broke down exactly how to maximize my depreciation deductions. It even separated what qualified as capital improvements versus repairs, which made a huge difference in my final numbers. The report it generated was detailed enough that my CPA could use it directly.
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Zainab Ibrahim
•Did you find it gave you any special advantage over just talking to a normal CPA? I'm looking at a similar deal and wondering if it's worth using a specialized tool.
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StarSailor
•How accurate was it with determining land vs building value splits? My last commercial purchase had some weird zoning issues that made the standard 20/80 split totally wrong for my property.
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Miguel Ramos
•I found it gave me a much clearer picture of the options before meeting with my CPA, which saved me money on billable hours. My CPA actually appreciated that I came prepared with different scenarios already modeled out. Regarding the land/building split, it was surprisingly accurate. You can actually input any existing appraisals or assessments you have, and it will factor those in. For my property that had some wetland areas that affected valuation, it recommended getting a specific land appraisal and then incorporated that data to optimize the depreciation schedule.
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StarSailor
Just had to come back and say I tried taxr.ai after seeing this thread, and wow - it saved me a ton of headache on my recent purchase. I was about to make a costly mistake with how I was planning to handle the renovation costs. The tool flagged that some of my planned work should be expensed immediately rather than depreciated, which my CPA confirmed later. It also generated a comprehensive depreciation schedule that showed me the tax benefits over the next 5 years. Definitely worth checking out if you're doing commercial real estate deals!
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Connor O'Brien
If you're dealing with a bank on a distressed property, call the IRS directly to get guidance on your specific situation. I had a similar purchase last year and needed clarification on cost segregation study benefits. Tried calling for weeks and couldn't get through until I used Claimyr (https://claimyr.com) - they got me connected to an IRS agent in about 15 minutes. You can see how it works here: https://youtu.be/_kiP6q8DX5c The IRS agent confirmed that I could do a cost segregation study on my distressed property purchase to accelerate depreciation on certain components rather than taking the straight 39-year approach. Made a massive difference in my first-year tax benefits.
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Yara Sabbagh
•Wait, so this service actually gets you through to a real person at the IRS? I've been trying to reach someone for months about my commercial property depreciation questions. How does it even work?
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Keisha Johnson
•Sounds like BS honestly. Nobody gets through to the IRS that quickly. I've been in commercial real estate for 12 years and have never heard of this. Probably just trying to get referral money or something.
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Connor O'Brien
•It absolutely gets you through to real IRS agents. They use some kind of system that basically waits on hold for you and calls you when they get an agent on the line. I was skeptical too but it worked exactly as advertised. As for how it works, from what I could tell, they have some technology that navigates the IRS phone tree and stays on hold so you don't have to. When they get a human, they call and connect you. I got connected with an agent who specialized in business tax issues and got specific guidance on my situation.
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Keisha Johnson
I have to eat crow here. After posting my skeptical comment, I was desperate to get an answer about bonus depreciation on some specialized equipment in my new commercial property. I tried Claimyr out of desperation and got through to the IRS in 22 minutes. The agent was able to confirm that my HVAC system qualified for bonus depreciation separate from the building. Just wanted to update since I was so dismissive before. Definitely changed my approach to this whole project's depreciation strategy.
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Paolo Rizzo
Don't forget to consider cost segregation! Instead of depreciating the entire building over 39 years, you can have a study done that breaks out components that can be depreciated over 5, 7, or 15 years. Things like carpet, fixtures, specialized electrical, etc. On a distressed property with major renovations, this can be HUGE for your early year tax benefits. We did this on a similar property and were able to depreciate almost 30% of the value over 5-7 years instead of 39. The study cost us about $12k but saved over $200k in taxes in the first 5 years.
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Sofia Hernandez
•I've heard about cost segregation but wasn't sure if it applied to smaller commercial properties. Mine is only about 15,000 sq ft. Is there a minimum size where it makes financial sense? Also, does the fact that I'm getting it significantly below market value affect how cost segregation would work?
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Paolo Rizzo
•There's no specific minimum size where cost segregation makes sense - it's more about the potential tax savings versus the cost of the study. For a 15,000 sq ft property, it's definitely worth considering, especially if you're doing significant renovations. The below-market purchase price doesn't negatively impact cost segregation benefits. In fact, it might actually make the percentage benefit greater. Cost segregation works on your actual basis in the property (purchase price plus improvements), so while your basis might be lower than market value, the percentage of that basis that can be accelerated might be higher due to the renovation component. When you're putting significant renovation dollars in, those improvements often contain many items that qualify for 5-7 year depreciation.
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QuantumQuest
Just a heads up - make sure you check if your renovations qualify for any energy efficiency tax credits on top of the depreciation benefits. We installed new HVAC, lighting, and insulation in our commercial rehab last year and got almost $75k in additional tax credits (not just deductions). Worth looking into before you finalize your renovation plans!
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Amina Sy
•I did something similar on my last building. Which specific energy credits did you claim? I used the 179D deduction but heard there were others that might stack.
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