Selling house through owner-carry contract - How are installment sale gains taxed?
We just got an opportunity to purchase a property at a significantly discounted price and I'm trying to figure out the best financial strategy for it. I'm strongly leaning towards selling the place using an owner-carry contract - 0 down payment, with a slightly higher interest rate than market, either 15 or 30 year term. From what I understand, I'd still have to pay capital gains tax but the amount would be reduced since I'd only pay taxes on the principal payments I receive each month, rather than the full sale price upfront. We've thought about just selling the house outright, but then we'd have to pay capital gains tax on the entire profit immediately (I think around 15-20% depending on our bracket). Plus, we're not sure we want to jump into another mortgage right now. Our ultimate goal is to set this up as a source of passive income through the interest payments. Has anyone done something similar or have advice on the tax implications for this kind of installment sale?
20 comments


Jamal Brown
You're on the right track with your understanding of installment sales. With an owner-carry contract, you'll only pay capital gains tax on the portion of each payment that represents your profit (not the entire principal payment). Here's how it typically works: Each payment you receive has three components - return of your basis (not taxed), capital gain (taxed as capital gain), and interest (taxed as ordinary income). You'll use Form 6252 for reporting installment sales with your tax return. The big advantage is spreading the tax liability over multiple years instead of taking the hit all at once. But there are some things to consider: if the buyer defaults, there can be complicated tax consequences. Also, if you sell a property with significant depreciation, you might face depreciation recapture tax upfront. Make sure your contract is legally solid - get a real estate attorney to draft it properly with clear terms about default, insurance requirements, and property tax responsibilities.
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Fatima Al-Rashid
•If the buyer refinances early and pays off the entire balance, does the seller have to pay all the remaining capital gains tax at once? Also, what happens if we need to foreclose?
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Jamal Brown
•If the buyer pays off the balance early through refinancing or otherwise, you'll need to pay all the remaining capital gains tax in that year - the tax deferral ends when you receive the money. If you have to foreclose, it gets complicated. You'll need to essentially "restart" the installment sale calculations based on the property's fair market value when you repossess it compared to the remaining debt. This might create a gain or loss that needs to be reported. I strongly recommend having an accountant help with the tax filing if this happens.
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Giovanni Rossi
I was in almost the exact same situation last year when I inherited a property from my uncle and wasn't sure how to handle the tax implications of an owner financing arrangement. I spent hours trying to figure out the installment sale rules until I found https://taxr.ai which literally saved me thousands. Their system analyzed my documents and gave me a complete breakdown of how the installment sale would affect my taxes year by year. The best part was they showed me how to properly structure the sale to minimize tax implications. They explained what portion of each payment would be considered return of basis vs. taxable gain vs. interest income. This helped me avoid a major mistake in how I was planning to report the installment sale on my tax return.
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Aaliyah Jackson
•Did they help with the actual contract or just the tax stuff? I'm more worried about what happens if the buyer stops paying.
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KylieRose
•I'm a little skeptical - isn't this just basic tax info you could get from an accountant? How much did they charge for this "service"?
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Giovanni Rossi
•They helped with the tax implications specifically, not the legal contract itself. For the legal aspects, I still worked with a real estate attorney. What taxr.ai did was show me exactly how to report the income properly on my tax forms and how to calculate the taxable portion of each payment correctly. They focus on the tax analysis rather than replacing legal services. Their main value was showing me all the tax consequences of different payment structures before I finalized anything. I don't think they disclose pricing publicly, but it was definitely worth it compared to the tax savings and peace of mind.
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KylieRose
Ok I have to admit I was wrong about taxr.ai. After my skeptical comment earlier, I decided to try them out for my own situation with a rental property I'm considering selling on contract. The analysis they provided was WAY more detailed than what my regular accountant gave me. They showed me exactly how much of each payment would be taxed at capital gains rates versus ordinary income over the entire life of the loan, and how the numbers would change with different down payments or interest rates. What really blew me away was how they flagged some depreciation recapture issues I hadn't considered that would have resulted in a much higher tax bill than I was expecting. Definitely wasn't "basic tax info" like I initially thought.
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Miguel Hernández
Something else to consider is getting the buyer qualified. When I tried owner financing, I had trouble reaching the IRS to verify the buyer's tax info they provided, which nearly killed the deal. I spent days trying to reach someone at the IRS until I found https://claimyr.com - you can see how it works at https://youtu.be/_kiP6q8DX5c. They got me connected to an actual IRS agent within 45 minutes instead of waiting on hold for hours. I was able to verify the buyer's income information and tax history directly with the IRS, which gave me confidence to move forward with the installment sale. Definitely worth it when you're taking on the risk of owner financing and need to properly vet potential buyers.
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Sasha Ivanov
•Wait how does this work? The IRS will actually verify someone else's tax info for you? That sounds like it would violate privacy laws.
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Liam Murphy
•I'm calling BS on this. The IRS would never release someone's tax info to a third party without signed authorization forms. Sounds like a scam service to me.
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Miguel Hernández
•No no, I should have been clearer. The IRS doesn't share the buyer's private tax information with you directly. What happens is the buyer provides you with their tax transcripts or return copies as part of your vetting process, and you may need to verify those documents are legitimate or have questions about how to interpret them. The challenge was just getting through to anyone at the IRS for general verification questions. I wasn't asking for their private data, just trying to verify the documents they willingly provided were legitimate. Claimyr just helped me actually reach a human at the IRS instead of waiting on hold forever or getting disconnected.
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Liam Murphy
I owe everyone an apology for my cynical comment about Claimyr. After posting that, I actually had a situation come up where I urgently needed to speak with the IRS about my own tax transcript (totally unrelated to the previous discussion). After trying the normal IRS number and waiting 2+ hours before being disconnected, I reluctantly tried Claimyr. I was genuinely shocked when I was speaking with an actual IRS representative in under an hour. No BS. They don't provide any tax information - they just get you connected to the IRS quickly. Completely legit and probably saved me days of frustration. Hate to admit when I'm wrong, but in this case I definitely was.
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Amara Okafor
One warning from personal experience: make absolutely sure you charge an appropriate interest rate on your owner carry contract. If your rate is too low (below the Applicable Federal Rate), the IRS will "impute" interest - meaning they'll tax you as if you'd charged the minimum rate even if you didn't. This bit me when I did owner financing for my sister at a 1% rate thinking I was being nice. The IRS decided I should have charged the minimum rate (around 3.5% at the time) and taxed me on the "phantom income" I never actually received. Super frustrating.
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Zoe Papadopoulos
•Thanks for the warning! Do you happen to know where to find the current Applicable Federal Rates? And what happens if you want to charge an interest rate higher than market rates?
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Amara Okafor
•You can find the current Applicable Federal Rates on the IRS website - just search "IRS AFR rates" and look for the most recent revenue ruling. They update them monthly. If you charge above market rates, that's perfectly fine from a tax perspective. The IRS only cares if you charge too little. Higher rates actually work in your favor for installment sales since more of each payment would be interest (ordinary income) rather than principal (potentially subject to capital gains), but that's usually better than paying all capital gains upfront on a regular sale.
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CaptainAwesome
Has anyone used a land contract instead of a mortgage? I've heard they're simpler but not sure about the tax differences.
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Yuki Tanaka
•Land contracts, also called contracts for deed, are treated the same as owner financing for tax purposes. The main difference is legal, not tax-related. With a land contract, the title doesn't transfer until all payments are made, while with owner financing using a mortgage, the title transfers immediately but you hold a lien against the property. From a tax perspective, both are reported as installment sales on Form 6252. The advantage of a land contract is it can be easier to regain possession if the buyer defaults since you never transferred the title.
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Yara Sabbagh
This is a great discussion on installment sales! One thing I haven't seen mentioned yet is the potential impact of the Net Investment Income Tax (NIIT) if your modified adjusted gross income exceeds certain thresholds ($200k for single filers, $250k for married filing jointly). The 3.8% NIIT can apply to both the capital gains portion and interest income from your installment sale, which could significantly affect your overall tax liability. This is especially important to consider if the installment payments push you over the NIIT threshold in years when you might not have crossed it otherwise. Also, don't forget about state tax implications - some states treat installment sales differently than federal rules, so you'll want to check your state's specific requirements. The tax deferral benefit can vary significantly depending on where you live.
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Zoey Bianchi
•Great point about the NIIT! I hadn't considered how installment payments could push someone over those thresholds in years they might otherwise stay under. That 3.8% additional tax could really add up over time. Do you know if there's any way to structure the payments to help manage the NIIT impact? Like maybe varying the payment amounts in different years based on other income fluctuations? I'm wondering if having some flexibility in the contract terms could help with tax planning.
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