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Form 1098: Reporting Mortgage Interest and How to File

A comprehensive guide to IRS Form 1098, which taxpayers use to report mortgage interest and related expenses totaling $600 or more. Learn about filing requirements, definitions, and key considerations.

Internal Revenue Service (IRS) Form 1098, also known as the Mortgage Interest Statement, is a form used by taxpayers to report the amount of interest and related expenses paid on a mortgage during the tax year when the total amounts to $600 or more. This form is filed by lenders and provides essential information for borrowers claiming deductions on their tax returns.

Key Information

Form 1098 provides crucial data that helps taxpayers:

  • Detail Mortgage Interest: Amount of mortgage interest paid.

  • Report Points Paid: Points paid for securing the mortgage.

  • Enumerate Other Expenses: Pertinent expenses such as mortgage insurance premiums.

Filing Requirements

Any institution that received interest on a mortgage of $600 or more must file Form 1098 with the IRS and provide the borrower with a copy.

Box-by-Box Breakdown

  • Box 1: Mortgage Interest Received: Reports the total interest received.

  • Box 2: Outstanding Mortgage Principal: Amount of remaining mortgage principal as of January 1.

  • Box 3: Mortgage Origination Date: When the mortgage originated.

  • Box 4: Refund of Overpaid Interest: Refunds of previously reported interest.

  • Box 5-6: Mortgage Insurance Premiums and Points Paid: Additional deductible expenses.

Common Data Elements

  • Borrower Details: Name, address, and taxpayer ID.

  • Lender Details: Issuer of the mortgage, including their EIN.

Filing Process

  • Electronic Filing: Preferred method using the IRS FIRE system.

  • Paper Filing: Requires submission of Form 1096 if filing on paper.

Deadlines

  • To IRS: By the last day of February (or March 31 if filed electronically).

  • To Borrower: By January 31.

Form 1098 vs Form 1098-T

  • Form 1098: Mortgage interest.

  • Form 1098-T: Tuition payments.

  • Form 1040: The U.S. Individual Income Tax Return where deductions from Form 1098 are claimed.

  • Schedule A: The part of Form 1040 where itemized deductions, including mortgage interest, are listed.

  • [Mortgage: A Loan Secured by Real Property]({< ref “/mortgages-and-real-estate-finance/mortgage” >} “Mortgage: A Loan Secured by Real Property”)

  • [Amortization Schedule: The Payment-by-Payment Map of a Loan]({< ref “/mortgages-and-real-estate-finance/amortization-schedule” >} “Amortization Schedule: The Payment-by-Payment Map of a Loan”)

  • [Loan-to-Value Ratio]({< ref “/mortgages-and-real-estate-finance/loan-to-value-ratio” >} “Loan-to-Value Ratio”)

  • [Fixed-Rate Mortgage: Meaning and Borrower Tradeoff]({< ref “/mortgages-and-real-estate-finance/fixed-rate-mortgage” >} “Fixed-Rate Mortgage: Meaning and Borrower Tradeoff”)

FAQs

Do I need to file Form 1098 if I paid less than $600 in mortgage interest?

No, Form 1098 is filed only if the interest paid totals $600 or more.

Can I claim mortgage interest paid if I didn’t receive Form 1098?

Yes, but you must keep detailed records and documentation to support the deduction.
Revised on Monday, May 18, 2026