Entering Excess Home Mortgage Interest with more than four loans in Lacerte

Down below we'll discuss how to enter Excess Mortgage Interest for more than four loans on Schedule A in Intuit Lacerte.

Future changes for tax year 2026

For tax years beginning after December 31, 2025, the One Big Beautiful Bill act will make changes to the make the Deduction for Mortgage Interest by making the $750,000 acquisition indebtedness limit permanent and eliminating the the previous treatment of mortgage insurance premiums as deductible interest. These changes will go into effect in tax year 2026.

To enter the Excess Home Mortgage Interest:

You should start off by printing the Excess Mortgage Worksheet to manually calculate all loans (including the additional loans). From there:

1. Go to Screen 25, Itemized Deductions.
2. Scroll down to the Interest section.
3. Report the total of all loans in the field Home Mortgage interest & Points on Form 1098 [A] (Ctrl+E) (code 21).

It is important to note that Lacerte does not generate any additional columns in excess of four mortgage loans.