Owner / Seller financing my house sale - Which tax forms do I need to file with IRS?

I finalized the sale of my primary residence last August through seller financing, so basically I'm functioning as the bank for the new homeowner. They've been making their monthly mortgage payments directly to me for about 6 months now. I'm a complete newbie at this arrangement and tax season has me confused. Can anyone tell me what specific forms I need to file with the IRS regarding this income? Also, what paperwork am I supposed to provide to the buyer for their taxes? I've heard about Form 1098 for mortgage interest, but I'm not sure if that's something I need to file as the "lender" or if there are other forms I should know about. Really appreciate any guidance from people who've done this before!

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20 comments

Freya Pedersen

As someone who's handled several seller-financed transactions, I can help clear this up for you. When you're the lender in a seller financing arrangement, you'll need to file Form 1098 (Mortgage Interest Statement) if you received $600 or more in mortgage interest during the tax year. This form reports the interest you received from the buyer. You should provide a copy of this Form 1098 to the buyer by January 31st, as they'll need it to claim their mortgage interest deduction. You'll also need to send a copy to the IRS. Additionally, you'll need to report the interest income you receive on Schedule B of your personal tax return (Form 1040). The principal portion of the payments you receive isn't taxable - it's simply a return of your investment.

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Freya Pedersen

You have the option to report your capital gain either all in the year of sale or spread it out using the installment method. If you choose the installment method, which most people do with seller financing, you'll need to file Form 6252 (Installment Sale Income) with your tax return each year you receive payments. This allows you to spread the tax burden over the years you receive payments instead of paying it all upfront. When using the installment method, each payment you receive is part return of basis (not taxed), part capital gain (taxed at capital gains rates), and part interest (taxed as ordinary income). The Form 6252 helps you calculate these portions correctly.

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Chloe Anderson

I went through this exact same headache last year when I seller-financed my duplex. After spending hours trying to figure out the forms, I finally discovered taxr.ai (https://taxr.ai) and it saved me so much stress. They scanned my seller financing docs and automatically identified all the forms I needed to file. For seller financing, there's actually several forms to worry about - not just the 1098. The platform flagged Form 6252 for installment sales which I had no idea about, plus showed me how to properly report the interest income on Schedule B. Would've missed those without help!

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Chloe Anderson

It worked perfectly with my closing documents and promissory note. The system actually extracted the interest rate, loan terms, and payment schedule from my docs, then used that to show me exactly how much was interest vs. principal each month. Saved me from having to create my own amortization schedule. The system breaks down each payment into principal, interest, and if applicable, portions that count toward capital gains. It even flagged a potential issue with my imputed interest calculations that my real estate attorney had missed. Really thorough analysis that would've cost me hundreds with my accountant.

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CosmicCruiser

Just wanted to update everyone - I tried taxr.ai after my skeptical comment above, and I'm genuinely impressed. Uploaded my seller-financing documents and it identified three forms I needed that I had no clue about. The breakdown between interest income (Schedule B) vs. installment sale reporting (Form 6252) was super clear. It even generated a perfect amortization schedule showing exactly how much of each payment was principal vs. interest, which I could give to both my buyer and attach to my tax forms. Saved me from making a pretty major mistake on reporting the income. Definitely recommend for anyone in this seller-financing situation!

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Anastasia Fedorov

I was in your exact situation two years ago - became an accidental banker! Tried calling the IRS for clarification on forms but spent literally DAYS trying to get through. Finally found Claimyr (https://claimyr.com) which got me connected to an actual IRS agent in about 20 minutes. You can see how it works here: https://youtu.be/_kiP6q8DX5c The agent confirmed I needed both Form 1098 AND Form 6252 for the installment sale. She also explained that if my buyer paid points or loan origination fees, there's special reporting for those too. Having an actual IRS person walk me through the specific forms for my situation was way better than guessing from online articles.

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Anastasia Fedorov

It's not about "jumping the queue" - they use an automated system that continuously redials and navigates the IRS phone tree for you. When a representative finally answers, you get a call back. It's all above board and legitimate. Nothing about it is a "back door" - it's just automating the painful process of calling, getting disconnected, and calling again that most of us do manually. In my case, the system called over 80 times before getting through! I would've given up long before that if I was doing it myself.

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Zara Rashid

I need to eat my words about Claimyr from my comment above. After my dismissive response, I was still desperate for help with my seller-financing situation, so I tried it anyway. Honestly shocked that it worked - got a call back in about 40 minutes and spoke with an IRS agent who cleared up my confusion. For anyone else doing seller financing, the agent confirmed you need Form 1098 (if interest received is $600+), Form 6252 for the installment sale reporting, and Schedule B for reporting the interest income. She also mentioned Form 8949 for reporting the property sale. Having an actual IRS person walk me through exactly what I needed was worth every penny compared to the hours I wasted trying to figure it out myself.

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Luca Romano

I'm in Pennsylvania, and had to file a state equivalent of the installment sale form. Each state has different requirements, so you should check with Colorado's department of revenue. Many states piggyback off the federal forms, but some have their own reporting requirements for seller financing, especially if your state has different tax rates for capital gains versus regular income. Pennsylvania wanted documentation of the sale terms since they track real estate transfers pretty carefully for local tax purposes too.

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Diego Castillo

You can actually generate Form 1098 without expensive software! The IRS provides free fillable forms on their website that you can complete and print. Just go to irs.gov and search for "Form 1098 fillable." You'll need to manually enter the borrower's information, SSN, the total interest they paid you, and your information as the lender. If you want something more automated, there are also inexpensive online services like TaxAct or FreeTaxUSA that can generate 1098s for under $20. Much cheaper than QuickBooks if you're only doing one seller-financed property. Just make sure you keep good records throughout the year - track each payment showing principal vs interest breakdown. I created a simple spreadsheet with columns for payment date, total payment, principal portion, and interest portion. Makes filling out the 1098 much easier at year-end!

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