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Official form guide
Form 1098: Mortgage Interest Statement
Form 1098, Mortgage Interest Statement, reports mortgage interest paid by a borrower to a lender. Lenders file it to inform the IRS and the borrower for tax deduction purposes.
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IRS Form 1098 - Mortgage Interest Statement
Form 1098, Mortgage Interest Statement, reports mortgage interest paid by a borrower to a lender. Lenders file it to inform the IRS and the borrower for tax deduction purposes.
Risk Radar
Scan points- 1A single digit error in the interest amount can invalidate the borrower’s deduction and trigger an audit.
- 2Entering the wrong borrower SSN or EIN
- 3Mis‑reporting interest amount by a few dollars
- 4Omitting points or mortgage‑insurance premiums
- 5Filing after the Jan 31 deadline
Plain English
When you pay interest on a home loan, the bank sends you a 1098 showing how much you paid. You use that number on your tax return to claim the mortgage‑interest deduction. The bank also sends a copy to the IRS.
Submission Date
- Filing date: Form 1098 is due to the IRS by January 31 of the year following the tax year, and a copy must be mailed to the borrower by the same date.
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use when you received $600+ of mortgage interest from an individual borrower.
- Do not use for business‑purpose loans or for interest paid by corporations.
- If you only collected points or insurance premiums, see Form 1098‑ES.
Form selector
Use this form or another form?
Business loan interest
Business interest is reported on 1099‑INT, not 1098
✓ Verify entity type before filing
Student loan interest
Student loans are reported on 1098‑E, not 1098
✓ Check loan purpose
Real‑estate transaction without mortgage
No mortgage interest paid
✓ Confirm no interest was charged
Deadline or filing window
The lender must file Form 1098 with the IRS and provide the borrower’s copy by January 31 following the close of the tax year. Extensions are not available for this deadline; late filing can incur a $50‑per‑form penalty that increases over time.
- —Total mortgage interest paid | Sum of all interest transactions for the year | Interest amount to report | Verify that all payments are included
Checklist
What you need before filling it out
Borrower name & address
Loan agreement, borrower’s account statement · Form 1098, line 1
Borrower TIN
Copy of SSN/EIN verification · Form 1098, line 2
Interest paid
Annual mortgage interest statement · Form 1098, line 1
Points paid
Settlement statement (HUD‑1) · Form 1098, line 5
Mortgage insurance premiums
Insurance policy statements · Form 1098, line 6
Outstanding loan balance
Monthly statements · Form 1098, line 7
Before you submit
- 1Verify borrower’s legal name and TIN match IRS records.
- 2Confirm total interest, points, and insurance premiums are summed correctly.
- 3Check that the form version matches the 2024 edition.
- 4Ensure the filing method (FIRE or mail) is appropriate for volume.
- 5If filing paper, use the correct IRS mailing address.
- 6Confirm the January 31 deadline is met.
- 7Send a copy to the borrower by the same date.
- 8Retain all loan statements and settlement documents for 3 years.
- 9Run the IRS validation file (if electronic) before transmission.
- 10Document any corrections made after initial entry.
How to file this form
- 1Log into the IRS FIRE system with your Transmitter Control Code.
- 2Upload the completed 1098 file in the required layout (ASCII, pipe‑delimited).
- 3Run the pre‑submission validation and resolve any errors.
- 4Transmit the file and capture the acknowledgment receipt.
- 5Print or generate PDF copies for each borrower.
- 6Mail paper copies to borrowers (if required) and retain proof of mailing.
- 7Archive the electronic file and supporting documentation.
Known limitations
- 1Form 1098 does not capture deductible points for refinance unless used for home acquisition.
- 2Electronic filing requires a valid TCC; new filers must apply for one first.
- 3The form does not accept interest paid by entities other than individuals.
- 4IRS instructions may change annually; always verify the current year’s guidance.
Field map
Compact field-by-field guide
Lender
1 items
Mortgage servicer or lender that received interest payments.
Borrower
1 items
Your personal information as shown on the mortgage.
Box 1
1 items
Total interest received by lender. Deductible on Schedule A (up to $750,000 loan balance for post-2017 mortgages).
Box 2
1 items
Balance of the mortgage as of January 1 of the tax year.
Box 5
1 items
PMI and qualified mortgage insurance premiums paid (may be deductible).
Box 10
1 items
Property taxes collected through escrow and paid by lender.
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Fillable formOpen in Editor->Form 1098 is actively used for tax years 2022 onward. The latest revision is the 2024 edition, released October 2023.
What changed or needs a fresh check
- Edition date: 2024 (released Oct 2023)
- Fee: none for electronic filing; paper filing may incur postage
- Mailing address: see IRS Instructions for Form 1098, page 3
- Electronic filing: required for >250 forms per year
- Paper form size: 8½" × 11"
- Signature: not required on electronic submission
Quick Facts
Downloads
After you file
- 1Store the IRS acknowledgment receipt for at least three years.
- 2File borrower copies in a secure, organized binder or digital folder.
- 3Reconcile the total interest reported with your internal accounting ledger.
- 4Monitor IRS notices for any post‑filing corrections.
- 5Update your lender’s compliance calendar for next year’s deadline.
- 6Document any late‑filing penalties paid.
- 7Review the process for errors and improve data‑capture procedures.
Sources
- SRCIRS Instructions for Form 1098, 2024 editionconfirms filing deadline Jan 31.
- SRCIRS FIRE System Publicationdetails electronic filing requirements.
- SRCForm 1098 PDFshows line items for interest, points, insurance, loan balance.
- SRCIRS Publication 936explains mortgage interest deduction rules.
- SRCIRS Penalty Scheduleoutlines $50‑per‑form late‑filing penalty.
- SRCNot clearly stated in the provided official sourceexact mailing address for paper filing.
- SRCNot clearly stated in the provided official sourcewhether electronic filing is mandatory for <250 forms.
Common confusion points
Interest vs. principal
Borrowers think all payments are interest
→ Verify loan amortization schedule
Points on refinance
Points may not be deductible
→ Check loan purpose and IRS rules
Mortgage‑insurance vs. private insurance
Both appear on statements
→ Confirm which line to use
Electronic vs. paper filing threshold
250‑form cutoff unclear
→ Refer to FIRE instructions
Borrower TIN format
Hyphens cause errors
→ Use digits only
Year‑end balance vs. average balance
Some lenders use average
→ Follow IRS guidance for line 7
Multiple loans for one borrower
Separate 1098 per loan
→ Consolidate only if permitted
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 1098‑C – correction form for previously filed 1098
- Form 1099‑INT instead of 1098
Source transparency
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