Common Questions About: 1098 and 1099 Filing for Seller Carry Holders

Whether a seller carry holder files Form 1098 or Form 1099-INT depends on how many seller-financed mortgages you have originated and whether interest received reaches the IRS reporting threshold. Most individual sellers with one or two notes use the 1099-INT; those originating multiple notes in the same year generally fall under the 1098 requirement instead.

Why These Questions Come Up

Seller carry notes sit in an unusual position in the tax code. The IRS treats the interest you collect differently depending on your level of activity as a lender – and the obligation to file correctly falls on you, the note holder. The questions below address what seller carry holders ask most often.

Common Questions and Answers

Do I have to report the interest my borrower pays me?

Yes. Interest income from a seller-financed mortgage is taxable in the year you receive it, regardless of how the note is structured. You report it on your personal tax return, and depending on your origination volume, you may also owe an informational return to the IRS and a copy to your borrower.

What is the difference between Form 1098 and Form 1099-INT?

Form 1098 (Mortgage Interest Statement) is filed by lenders who receive mortgage interest on a property that serves as the borrower’s principal or secondary residence. Form 1099-INT reports interest income more broadly. For seller carry holders, the distinction turns primarily on whether you qualify as being “in the trade or business of lending money” – not simply on whether you hold a note. A full comparison is available at 1098 vs. 1099-INT: Private Lender Comparison.

What triggers the Form 1098 filing requirement?

The IRS requires a Form 1098 when a lender who is “in the trade or business of lending money” receives qualifying mortgage interest that meets a minimum annual threshold. For most individual seller carry holders who completed one or two transactions, the IRS does not consider them to be in the lending trade or business, so the 1098 is not required. Those who originate multiple seller-financed mortgages on a regular basis may cross that threshold. A tax advisor familiar with seller financing should make that determination before filing season begins – not during it.

If I am not required to file a Form 1098, what do I file instead?

Sellers who do not meet the 1098 requirement still report interest income on Schedule B of their personal return. They may also need to send the borrower a Form 1099-INT if the interest collected during the year meets the applicable reporting threshold. The 1099-INT goes to the borrower, and a matching copy goes to the IRS.

What information do I need to complete either form?

For Form 1098, you need the borrower’s name, address, and taxpayer identification number; the property address; total mortgage interest received during the year; and the outstanding principal balance as of January 1. For Form 1099-INT, you need the borrower’s name, address, taxpayer identification number, and the total interest paid to you during the year.

Accurate payment-by-payment records are essential to arrive at both figures. On a seller-financed note with a principal balance of $200,000 at 7% interest, a monthly payment of roughly $1,331 allocates approximately $1,167 to interest in the first month, with the remainder reducing principal. That split shifts with every payment as the loan amortizes – which is why a full amortization schedule, maintained throughout the year, produces reliable year-end totals rather than estimates.

What is the filing deadline?

Paper filings of Form 1098 and Form 1099-INT are generally due to the IRS by February 28 of the year following the tax year being reported. Electronic filings receive an extension to March 31. Copies sent to the borrower are due by January 31. Missing these deadlines triggers per-form penalties that escalate the longer the filing is delayed.

Does my borrower receive a copy of whatever I file?

Yes. If you file a Form 1098, the borrower receives a copy by January 31. If you file a Form 1099-INT, the borrower also receives a copy by that date. The borrower uses the form to support a potential mortgage interest deduction on their own return, so accuracy on your filing protects both parties from mismatches during the IRS document-matching process.

What happens if I file the wrong form?

Filing a 1099-INT when the IRS determines you were required to file a 1098 – or the reverse – can trigger notices, amended return requirements, and potential penalties. It can also create a mismatch between what you reported and what the borrower claimed as a deduction. Consistent, accurate reporting on the correct form eliminates that exposure. See 7 Common Mistakes with 1098 and 1099 Filing for Seller Carry Holders for additional filing errors that trip up seller carry holders each year.

Can I file late if I missed the deadline?

Yes, but late filing incurs per-form penalties that increase in tiers depending on how delayed the submission is. Filing voluntarily after the deadline is almost always preferable to not filing at all. The IRS also distinguishes between an unintentional oversight and intentional disregard of the requirement – with significantly higher penalty exposure for the latter category.

Does using a professional servicer eliminate these obligations?

A qualified private mortgage servicer tracks every payment throughout the year, maintains a running amortization schedule, and prepares the required year-end interest statements. NSC handles 1098 preparation as part of its standard annual reporting for the private mortgage notes it services, so note holders receive accurate figures without reconstructing payment histories themselves at year-end. See 1098 and 1099 Filing for Seller Carry Holders for how that process works in practice.

What if my borrower missed payments or paid inconsistently during the year?

You report the interest you actually received, not what the payment schedule called for. If the borrower skipped payments entirely, you do not report interest that was never collected. If late payments arrived in a different calendar year, the interest follows the cash and is reportable in the year received. Payment disruptions are one of the primary reasons servicer-maintained ledgers are more reliable than self-kept records – particularly when any irregularity occurred during the year.

Does the IRS match what I report against what my borrower files?

Yes. The IRS document-matching program compares the interest reported by the note holder with the interest the borrower claims as a deduction. A discrepancy – even an unintentional one – can generate a notice to one or both parties. Consistent, accurate reporting on both sides is the most straightforward way to avoid unnecessary IRS correspondence.

Are there state-level reporting requirements in addition to federal ones?

Some states have interest reporting requirements that parallel or extend federal rules, and certain states require state-specific forms alongside federal filings. Requirements vary by state and by property location. A local tax advisor or your private mortgage servicer can confirm what applies in the state where the collateral property sits.

Expert Take

The 1098 versus 1099-INT question is where seller carry holders make filing errors most consistently, and those errors almost always trace to one of two sources: uncertainty about whether they qualify as being “in the trade or business” of lending, or incomplete payment records that make it impossible to separate interest from principal at year-end. Both problems are preventable. The trade-or-business determination should be made with a tax advisor before filing season begins – not during it. The recordkeeping problem disappears when a qualified servicer maintains the loan ledger throughout the year. Sellers who resolve both of those structural issues before January rarely face a difficult tax season.

Additional Resources

• 1098 vs. 1099-INT: The Private Mortgage Tax Reporting Guide
• 5 Steps to 1098 and 1099 Filing for Seller Carry Holders
• 8 Best Practices for 1098 and 1099 Filing for Seller Carry Holders
• 7 Tax Reporting Obligations Private Mortgage Lenders Overlook
• 5 Year-End Reporting Mistakes Private Lenders Make
• 2026 Tax Season: New IRS Rules Reshape Private Mortgage Interest Reporting
• 10 Record-Keeping Requirements for Private Mortgage Note Servicers