Form 1098 Seller Financed Mortgage Rules for Note Holders
Every January, owner-financed note holders ask the same question: do I have to send my buyer a Form 1098?
For a large share of individual note holders the answer is no — and the reason is worth understanding, because the same reasoning tells you exactly what you do have to do instead. There is a reporting obligation in a seller-financed sale. It just usually lands on a different form.
What Form 1098 is, and where the duty comes from
Form 1098, the Mortgage Interest Statement, is the information return that lenders use to tell the IRS and the borrower how much deductible mortgage interest the borrower paid during the calendar year. The statutory hook is 26 U.S.C. § 6050H(a), which imposes the return requirement on any person:
“(1) who is engaged in a trade or business, and (2) who, in the course of such trade or business, receives from any individual interest aggregating $600 or more for any calendar year on any mortgage…”
Both conditions have to be met, plus a third from the regulations. Under Treas. Reg. § 1.6050H-1(b)(1), a mortgage is a qualified mortgage only if the payor of record is an individual — not a trust, estate, partnership, LLC, or corporation, even if an individual co-signs and even if every member of the entity is an individual. An obligation is a “mortgage” if real property secures all or part of it (§ 1.6050H-1(b)(2)(i)).
So the filing test is a conjunction of four things: trade or business + received in the course of that trade or business + $600 or more of interest in the calendar year + an individual payor of record on a real-property-secured obligation.
The nuance that decides most cases
The trade-or-business condition is not decorative. Treas. Reg. § 1.6050H-1(c)(1) defines an “interest recipient” as a person engaged in a trade or business — whether or not the trade or business of lending money — who receives the interest in the course of that trade or business. It then gives two examples that map almost exactly onto owner financing:
- A real estate developer lends money to an individual to buy a house in a subdivision the developer owns and developed, taking back a mortgage. The developer is an interest recipient and must report.
- A physician lends money to an individual to buy the physician’s home, taking back a mortgage. The physician is not an interest recipient, “because C will not receive the interest in the course of the trade or business of being a physician.”
The Instructions for Form 1098 say the same thing in plainer words, with an example directly on point: you are not required to file if the interest is not received in the course of your trade or business — for example, you hold the mortgage on your former personal residence and the buyer makes mortgage payments to you.
The practical upshot: an individual who sold one house and carries back one note is frequently not required to file Form 1098 at all, even though the interest exceeds $600 and the buyer is plainly an individual.
But there is a bridging rule that catches people who assume “I’m not a lender, so I’m exempt.” Section 1.6050H-1(c)(1) also provides that if a person holds a mortgage that was originated or acquired in the course of a trade or business, the interest on that mortgage is considered received in the course of that trade or business. A note that came out of a rental or flipping operation, or that was bought as an investment in the course of a note-buying business, does not shed its character because the holder now just deposits checks. Where a portfolio sits on the line, that is a question for a CPA on your specific facts, not a question to answer from a rule of thumb.
Two smaller points. A governmental unit is an interest recipient without regard to the trade-or-business condition (§ 1.6050H-1(c)(4)). And under § 1.6050H-1(a)(3), reporting is optional below the $600 threshold — but an interest recipient who chooses to file when not required becomes subject to the full set of requirements in §§ 1.6050H-1 and 1.6050H-2. Voluntary filing is not a free courtesy; it opts you into the rules.
What the buyer must do — Schedule A
None of the above affects the buyer’s deduction. A buyer may still deduct qualified home mortgage interest paid on a seller-financed note; the absence of a Form 1098 changes only where and how it is reported.
The buyer reports it on Schedule A (Form 1040), line 8b, “Home mortgage interest not reported to you on Form 1098.” The Schedule A instructions direct that if you paid home mortgage interest to the person from whom you bought the home and that person did not give you a Form 1098, you write that person’s name, identifying number, and address on the dotted lines next to line 8b. For an individual seller the identifying number is their SSN; otherwise it is an EIN.
Publication 936 adds the reciprocity and the sanction: the seller must give the buyer that number and the buyer must give the seller theirs, and failure to meet any of these requirements may result in a $50 penalty for each failure.
What the seller must do — Schedule B
The seller’s side is where the real, commonly missed obligation lives.
The Schedule B instructions list, among the conditions requiring you to file Schedule B, that you received interest from a seller-financed mortgage and the buyer used the property as a personal residence. That condition stands on its own — it is not subject to the ordinary $1,500 interest threshold that otherwise triggers Schedule B.
On line 1, the instructions say: if you sold your home or other property and the buyer used the property as a personal residence, list first any interest the buyer paid you on a mortgage or other form of seller financing, and show the buyer’s name, address, and SSN. You must also let the buyer know your SSN. If you do not show the buyer’s name, address, and SSN, or do not give the buyer your SSN, you may have to pay a $50 penalty.
So the interest does get reported to the IRS in a seller-financed deal — it is simply reported by both parties on their own returns, with each identifying the other, rather than by an information return from a lender.
| Who | Where | What must appear |
|---|---|---|
| Buyer deducting the interest | Schedule A, line 8b | Amount paid; seller’s name, identifying number, and address |
| Seller reporting the income | Schedule B, line 1, listed first | Amount received; buyer’s name, address, and SSN |
| Seller in a trade or business receiving $600+ from an individual | Form 1098 to the payer of record and to the IRS | Interest received during the calendar year, plus the § 6050H(b) data elements |
What you need at year end either way
Notice what every row of that table depends on: a defensible number for interest received during the calendar year. Not interest accrued. Not the interest column of an amortization schedule printed at origination. Individuals report on the cash basis, and the Form 1098 instructions themselves direct that box 1 shows the interest received on the mortgage from borrowers during the calendar year.
That means the ledger you maintain during the year has to produce, at minimum:
- every payment received, dated by when it was actually received, not when it was due;
- each payment split into interest and principal using the correct payment application order, with late fees and any escrow or impound amounts broken out separately rather than folded into interest;
- the calendar-year interest total — the figure that goes on Schedule B, or in box 1 if you file;
- the year-end principal balance, and the balance at the beginning of the year, since § 6050H(b)(2)(D) requires outstanding principal at the start of the year if you do file;
- the buyer’s name, address, and TIN, and your own TIN furnished to the buyer.
A skipped month, a partial payment applied in the wrong order, or an extra principal payment absorbed into the wrong bucket does not just distort one year’s interest figure — it changes the amortization for every year afterward, and both parties’ returns diverge from the truth in opposite directions. The same ledger is what produces a certified payment history when the borrower refinances, which is usually when a decade of casual bookkeeping gets audited by someone else. Producing that record correctly is precisely the problem OwnerNote is being built to solve.
Two adjacent issues worth raising with a tax professional rather than resolving from a web page. First, if you sold at a gain and are collecting the price over time, the principal portion is not interest income and is generally accounted for under the installment sale rules, which are reported separately. Second, if the note carries little or no stated interest, the imputed interest and original issue discount rules can recharacterize part of what you thought was principal as interest. Neither of those is a Form 1098 question, but both change the numbers on your return.
If you do have to file
The mechanics are ordinary information-return mechanics. The statement goes to the payer of record; the return goes to the IRS. The recipient statement is generally due at the end of January, with the IRS copy due at the end of February on paper or the end of March if filed electronically — confirm the exact dates for the year in question, since they shift for weekends and holidays. Note the e-file threshold: if you are required to file 10 or more information returns during the year, aggregated across all form types, you must file electronically.
Tax rules and form line numbers change annually. The line references above are drawn from the 2025 instructions for Schedule A, Schedule B, and Publication 936, and from the current Instructions for Form 1098. Verify each against the instructions for the year you are filing, and confirm the trade-or-business analysis for your own notes with a CPA before deciding not to file.