How are capital gains calculated on owner-financed property sale with stepped up basis?
Title: How are capital gains calculated on owner-financed property sale with stepped up basis? 1 Alright, so I recently inherited a property valued at about $2.4 million. The original value when my father purchased it was around $1.3 million, so I have a stepped up basis of $2.4 million as of the date of his passing last year. I have a potential buyer who wants to purchase the property, but they can only put down $1.2 million in cash and asked if I'd be willing to owner-finance the remaining $1.2 million. I understand that I'll defer capital gains on the financed portion until the buyer makes payments, but I'm confused about how the stepped up basis affects my tax situation for the current year. Will I essentially pay no capital gains tax on the $1.2 million I receive upfront because of the stepped up basis of $2.4 million? Or is the stepped up basis somehow split between the cash portion and the financed portion? I'm trying to figure out my tax liability for this year before I agree to the deal.
19 comments


Juan Moreno
16 You're in a good position tax-wise with this inheritance. When you inherit property, you receive a stepped-up basis to fair market value at the date of death, which in your case is $2.4 million. This completely wipes out the appreciation that occurred during your father's ownership. For an owner-financed sale, you're correct that you'll report the gain using the installment method, which allows you to spread the recognition of gain over the period you receive payments. However, your question about the basis allocation is important. The stepped-up basis is allocated proportionally across the entire property value. Since you're selling for the same amount as your stepped-up basis ($2.4 million), you actually have no capital gain to report at all - neither on the upfront payment nor on the financed portion, assuming the sale price equals your stepped-up basis value. You've essentially reset the tax basis to current market value through inheritance, eliminating any taxable gain on this transaction.
0 coins
Juan Moreno
•8 Thanks for explaining that! But what happens if I decide to sell for more than the stepped-up basis? Say I list it for $2.9 million instead, with $1.5 million down payment and $1.4 million financed. How would the taxes work in that scenario?
0 coins
Juan Moreno
•16 If you sell for more than your stepped-up basis, then you would have a capital gain. In your example, selling for $2.9 million with a $2.4 million basis would create a $500,000 capital gain. For the installment sale portion, you would calculate what's called the "gross profit percentage." This is your total profit divided by the total contract price. So $500,000 ÷ $2,900,000 = approximately 17.24%. This percentage would apply to each payment you receive, including the down payment. So roughly 17.24% of your $1.5 million down payment (about $258,600) would be taxable gain in the year of sale, and 17.24% of each future payment would be taxable in the year received.
0 coins
Juan Moreno
12 I went through almost the exact same situation last year with a property I inherited from my grandmother. I was getting conflicting advice from different tax preparers until I used https://taxr.ai to analyze my documentation. It helped me understand how the stepped-up basis worked with my owner-financed arrangement. The tool analyzed my inheritance documents and sale contract, then explained exactly how much of my basis would be allocated to each portion of the sale. It saved me from potentially overpaying taxes by thousands of dollars because I was initially calculating everything incorrectly.
0 coins
Juan Moreno
•5 How does taxr.ai actually work? Do you just upload your documents and it figures everything out automatically? I've tried using TurboTax for complicated situations like this before and it didn't handle it well.
0 coins
Juan Moreno
•19 I'm interested but skeptical. Did it actually save you more than what an experienced CPA would have found? These inheritance and installment sale situations can be pretty complex.
0 coins
Juan Moreno
•12 You upload your documents and it uses AI to analyze them and explain the tax implications in plain English. It recognized that my deed transfer, appraisal, and installment agreement all contained important information that affected my tax treatment. Then it walked me through exactly how to report everything correctly. It absolutely saved me more than what my previous tax preparer found. My first CPA was going to have me report the entire gain upfront instead of using the installment method correctly. The difference was over $13,000 in taxes I didn't actually owe that year. What's great is it explains everything in detail so you understand why, not just giving you numbers.
0 coins
Juan Moreno
19 Just wanted to update everyone - I decided to try taxr.ai for my own inherited property situation and I'm impressed. I was definitely one of the skeptics but it actually identified that my appraiser had used the wrong date for valuation purposes, which would have resulted in an incorrect stepped-up basis. It also noticed that my installment sale agreement had terms that could trigger immediate taxation under certain conditions. The analysis was surprisingly thorough and picked up nuances that I'm pretty confident would have been missed in a standard tax preparation scenario. It generated a complete explanation that I could provide to my accountant with the correct reporting methodology for my specific situation.
0 coins
Juan Moreno
3 After spending 6 weeks trying to reach someone at the IRS about how to properly report my installment sale with stepped-up basis, I finally used https://claimyr.com and got through to an IRS representative in about 15 minutes. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c Before using Claimyr, I was on hold for literally hours every time I called before eventually getting disconnected. The IRS agent I spoke with confirmed exactly how to report the sale on Form 6252 and explained how to properly allocate my stepped-up basis. She also walked me through some potential complications with imputed interest that I hadn't even considered.
0 coins
Juan Moreno
•22 Wait, you're telling me there's a service that actually gets you through to a real person at the IRS? How does that even work? I thought getting through their phone system was literally impossible these days.
0 coins
Juan Moreno
•7 Sounds too good to be true honestly. The IRS is basically unreachable and has been for years. I've tried calling dozens of times about my own investment property sale and never got through. Why would this service work when nothing else does?
0 coins
Juan Moreno
•3 It works by using technology to navigate the IRS phone tree and wait on hold for you. They call you back when they've reached an actual IRS representative. So instead of you spending hours on hold, they handle that part. Yes, the IRS is absolutely reachable, it's just that most people can't dedicate hours of their day to waiting on hold. The service just handles the waiting part for you. When I got the call back, I was connected to an IRS agent immediately who had expertise in installment sales and capital gains.
0 coins
Juan Moreno
7 I need to eat my words here. After seeing the post above, I decided to try Claimyr since I was desperate for answers about my own installment sale reporting issues. Got a call back in about 40 minutes with an actual IRS agent on the line. The agent confirmed exactly how to allocate my stepped-up basis between the down payment and installment portion of my sale. Turns out I had been incorrectly calculating my gain by not using the gross profit ratio method, which would have resulted in significantly overpaying my taxes. They even sent me the relevant IRS publications that explained the proper reporting method. I've been trying to get this information for months - literally one call solved everything. I hate being wrong on the internet, but credit where credit's due.
0 coins
Juan Moreno
2 Something everyone should consider here - make sure you're also accounting for state taxes on this transaction. I sold inherited property in California last year, and while I had minimal federal tax due to the stepped-up basis, California still took a decent chunk at their capital gains rate. Different states have different rules about conforming to federal stepped-up basis provisions.
0 coins
Juan Moreno
•4 Does anyone know how Illinois handles this? I'm inheriting a property there but live in Florida now, and I'm trying to figure out if I'll owe Illinois taxes when I eventually sell it.
0 coins
Juan Moreno
•2 Illinois generally conforms to the federal stepped-up basis rules, so you'd have the same basis for Illinois tax purposes as federal. However, as a non-resident seller of Illinois property, you'll likely need to file an Illinois non-resident return to report the sale and pay tax on any gain attributable to Illinois. Even with the stepped-up basis, if you sell for more than that amount, the gain will be taxable in Illinois. Florida doesn't have a state income tax, but that doesn't exempt you from Illinois tax on Illinois-sourced income.
0 coins
Juan Moreno
11 Has anyone here used owner financing as a buyer rather than a seller? I'm considering purchasing a property this way and wondering about tax implications from the buyer's perspective.
0 coins
Juan Moreno
•18 I purchased a property through owner financing last year. The main tax benefit is that you can deduct the interest portion of your payments just like a regular mortgage, assuming you itemize deductions and use the property as your primary or secondary residence. You'll get a yearly statement from the seller (Form 1098) showing how much interest you paid.
0 coins
KingKongZilla
One thing to keep in mind with owner financing is the imputed interest rules. If you're not charging adequate interest on the financed portion (currently around 5.5% for long-term AFR), the IRS may impute interest income to you and treat part of your principal payments as interest income taxable at ordinary rates rather than capital gains rates. Also, make sure your purchase agreement clearly states the allocation of the purchase price if there are any personal property items included (like appliances or furniture). The stepped-up basis only applies to the real property portion, so you want to make sure everything is properly documented for tax purposes. Given the complexity of installment sales with inherited property, I'd strongly recommend getting everything reviewed by a tax professional before finalizing the sale agreement. The tax implications can be significant if not structured properly.
0 coins