Need help with complex Form 3115 for depreciation correction from 2021 - possible refund?
Hey fellow tax sufferers! I'm wrestling with what feels like the tax equivalent of a Rubik's cube. I need to file Form 3115 to correct some depreciation mistakes from 2021. My accountant at the time somehow completely messed up the depreciation schedule for my rental property improvements, and I've since learned we should have been using a 27.5-year schedule instead of the 39-year one we used. My current CPA thinks we can recover around $3,800 by filing the 3115 to change the accounting method and getting a "catch-up" adjustment. The problem is, she wants to charge me almost $1,200 just to prepare this form! That seems crazy expensive for one form, even if it is complex. Has anyone successfully filed a 3115 for depreciation changes themselves? Is it worth attempting, or am I better off just paying the professional fee? Also curious if anyone has experience with how long it typically takes to see the refund once everything is approved. I've heard horror stories about these taking forever to process. Any advice or personal experiences would be greatly appreciated!
20 comments


Caesar Grant
I've helped clients with Form 3115 issues before, and you're right - it's definitely one of the more complex IRS forms out there. The 3115 is essentially telling the IRS "I've been doing my accounting wrong, and I want to fix it going forward." For depreciation specifically, changing from 39-year to 27.5-year for residential rental property is actually a very common correction. The form requires detailed calculations of what you've already deducted versus what you should have deducted, along with the "net section 481(a) adjustment" which is basically the catch-up amount. While it's technically possible to do it yourself, there are pitfalls - particularly in Part II (information for the accounting method change) and Part IV (the 481(a) adjustment calculation). The form also requires attachments with specific details about your property, when it was placed in service, and depreciation schedules showing both the old and new methods. The $1,200 fee actually isn't unusual for this service given the complexity and potential audit risk involved. The good news is that it's typically a one-time cost, and the correction will continue benefiting you for years to come.
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Lena Schultz
•Thanks for the insight! Do you have any idea how long it usually takes for the IRS to process these and issue refunds? And is there any risk they'll reject it or open up my previous returns for audit?
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Caesar Grant
•Processing time can vary significantly, but typically expect 3-6 months for the IRS to process Form 3115 corrections. Some of my clients have seen refunds in as little as 8 weeks, while others have waited 8+ months - it often depends on the complexity and current IRS backlog. As for audit risk, the 3115 itself doesn't automatically trigger an audit, but it does put a spotlight on those particular returns. The good news is that correcting depreciation from 39 to 27.5 years for residential rental property is such a common fix that it's unlikely to raise red flags as long as everything else on your returns appears proper.
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Gemma Andrews
After struggling with a similar depreciation issue last year, I found an amazing service called taxr.ai that saved me thousands. I had incorrectly depreciated some capital improvements on my rental property and needed to file an accounting method change. The Form 3115 was way too complicated for me to handle on my own. I uploaded my depreciation schedules and previous returns to https://taxr.ai and their AI system analyzed everything and showed me exactly what needed to be corrected. Their tax experts then guided me through the proper adjustments and helped me understand the 481(a) calculation. The service provided all the documentation I needed for my CPA to file the form properly. What impressed me most was how they explained everything in plain English and showed me exactly what I'd been doing wrong without making me feel stupid about it. The detailed report they generated saved my accountant hours of work.
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Pedro Sawyer
•How does this actually work? Do you just upload your tax returns and they have some kind of AI look through them? Does it handle business returns too or just personal stuff?
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Mae Bennett
•I'm skeptical about services claiming to handle complex tax issues like Form 3115. Did they actually prepare the form for you or just give you information? And how can an AI possibly understand all the nuances of depreciation recapture and accounting method changes?
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Gemma Andrews
•The process is really straightforward - you upload your tax documents and depreciation schedules, and their AI system analyzes them to identify discrepancies and potential corrections. It handles both personal and business returns, including partnership and S-corp filings. They don't actually prepare and file the 3115 for you - they provide a comprehensive analysis and documentation that either you or your tax professional can use to properly complete the form. What made it valuable for me was how they broke down the complicated 481(a) adjustment calculations and provided supporting schedules that showed year-by-year what should have been depreciated versus what was actually claimed. Their human tax experts review the AI findings and are available to answer questions about implementing the corrections.
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Pedro Sawyer
Just wanted to update everyone - I decided to try taxr.ai after seeing it mentioned here and wow, what a game-changer for my depreciation nightmare! I was totally confused about how to handle my Form 3115 situation where I'd been using the wrong recovery period on some commercial property improvements. The system immediately identified that I'd been using a 39-year schedule for items that qualified for 15-year treatment under the Qualified Improvement Property rules. The report it generated showed I was entitled to an additional $8,700 in depreciation deductions! It laid out exactly what needed to be corrected on the 3115 and even generated the supporting schedules showing the year-by-year calculations. My accountant was super impressed with the documentation and said it saved her at least 3-4 hours of work figuring everything out. She only charged me half of what she initially quoted to prepare the 3115 since most of the heavy lifting was already done. If you're facing a similar depreciation correction situation, definitely check them out!
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Beatrice Marshall
If you need to communicate with the IRS about your Form 3115 (which you might), I highly recommend using Claimyr. I spent WEEKS trying to get through to someone at the IRS about my depreciation method change last year. Endless busy signals, disconnected calls, and hours on hold that went nowhere. I finally found https://claimyr.com and their service was life-changing. They basically wait on hold with the IRS for you and then call you once an agent is actually on the line. I had called for over a month with no success, but Claimyr got me connected to an IRS agent within a day. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c The IRS agent I spoke with was able to check on the status of my Form 3115 processing and gave me specific information about what additional documentation they needed. Saved me from waiting another 2-3 months only to get a letter requesting more info. Definitely worth it when you need to actually speak to someone at the IRS!
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Melina Haruko
•How exactly does this service work? Do you have to give them personal information? Seems sketchy to have some random service connecting you to the IRS.
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Dallas Villalobos
•This sounds like a total scam. The IRS doesn't give priority to certain callers, and I doubt they'd even talk to you about someone else's tax situation due to privacy laws. Pretty sure you're just making this up or got scammed yourself.
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Beatrice Marshall
•The service is actually really straightforward. You enter the IRS phone number you need to call, and Claimyr's system navigates the IRS phone tree and waits on hold for you. When an actual IRS agent picks up, you get a call connecting you directly to that agent. You don't need to provide any sensitive personal information to Claimyr - they're just handling the hold time. They absolutely don't talk to the IRS on your behalf or access any of your tax information. They're simply a technology solution for the hold time problem. When the IRS agent comes on the line, you're the one speaking with them directly - Claimyr just drops off the call. It's no different than if a friend waited on hold and then handed you the phone when someone finally answered, except it's automated. The service exists specifically because the IRS is so understaffed and difficult to reach by phone.
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Dallas Villalobos
I have to admit I was completely wrong about Claimyr. After posting that skeptical comment, I decided to try it myself since I've been trying to reach the IRS for weeks about an issue with my 3115 filing from last year. I used their service yesterday morning, and within 2 hours I got a call connecting me directly to an IRS agent! I was shocked. My previous attempts involved waiting on hold for 2+ hours only to get disconnected. The agent was able to look up my 3115 submission and confirmed it was still being processed but hadn't been rejected. What really surprised me was how the whole process worked exactly as advertised. Their system handled all the hold time and phone tree navigation, and then I just got a call when an actual human at the IRS was on the line. Definitely eating my words on this one - it's a legitimate service that actually works.
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Reina Salazar
I filed a 3115 myself two years ago for a similar depreciation correction. It was honestly a nightmare and I ended up having to hire a professional anyway after messing it up. The form is deceptively complicated, especially the section 481(a) adjustment calculations. The way I see it, paying $1,200 to properly recover $3,800 is still a net gain of $2,600. Plus, the corrected depreciation will continue giving you benefits for years to come. One tip: make sure your CPA includes EXTREMELY detailed supporting schedules with the filing. I've heard that's one of the main reasons these get rejected - insufficient supporting documentation.
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Philip Cowan
•Thanks for the perspective! Did you end up getting your refund eventually? How long did the whole process take once you submitted a properly prepared form?
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Reina Salazar
•Yes, I did eventually get the refund! After submitting the properly prepared Form 3115 with all the supporting documentation, it took about 4.5 months to receive the adjustment. The entire process from when I first attempted it myself to final resolution was nearly 9 months, but that's because my initial submission was rejected for insufficient documentation. Once my CPA resubmitted everything properly, the IRS processed it without any issues. Make sure your CPA includes year-by-year schedules showing both the old and new depreciation methods and calculations - that level of detail seems to help speed things along.
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Saanvi Krishnaswami
Quick question for anyone who's done this: Do you have to file Form 3115 with your regular tax return or is it submitted separately? And does it need to be mailed or can it be e-filed?
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Demi Lagos
•Form 3115 is actually filed in TWO places - you attach the original to your timely filed tax return (including extensions) for the year of change. Then you also have to send a COPY to the IRS national office in Ogden, UT. The copy to the national office must be sent at least 90 days before your tax return is filed. And as far as I know, even if you e-file your return, you still have to mail a physical copy of the 3115 to the Ogden address. It's one of those weird IRS quirks that hasn't caught up with the digital age yet.
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Dmitry Popov
I went through almost the exact same situation last year - depreciation correction from 39-year to 27.5-year schedule on rental property improvements. The $1,200 fee is definitely steep, but honestly it was worth it for me. What really helped was getting multiple quotes. I ended up finding a CPA who specialized in Form 3115 filings and only charged $850. The key is finding someone who does these regularly - they have templates and processes that make it much more efficient than a generalist who might be starting from scratch. One thing to consider: make sure your current CPA is experienced with 3115s specifically. I initially went with my regular tax preparer who quoted $1,400 and admitted she'd only done "a few" of these forms. Ended up switching to someone who does dozens per year and got better service for less money. Also, don't forget that the professional fee is likely deductible as a tax preparation expense. So your actual out-of-pocket cost is reduced by your marginal tax rate. In my case, the $850 fee only cost me about $640 after tax savings. The refund took about 5 months to arrive, but it was exactly what we calculated. Worth the wait and the professional fee!
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Zainab Omar
•This is really helpful advice about shopping around for specialists! I'm curious - how did you find a CPA who specifically specializes in Form 3115s? Did you just call around asking, or is there some directory or way to search for tax professionals by specialty? I'm definitely interested in getting multiple quotes now, especially if I can find someone who does these regularly and might be more efficient (and cheaper) than my current CPA.
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