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Mortgage Interest Deduction not calculating average daily balance when Buying new Home at end of year.

Hi,

 

I filed my tax return and just realized that turbo tax incorrectly capped my mortgage interest deduction due it not calculating my average balance of my mortgages and I don't see a way to correct it? I bought a new home in October 2024, and sold my old house after moving out in February 2025. I had a loan of 550,000 on the old property for the full year and 652,000 on the new property for 2.5 months. However, turbo tax reported 1,202,000 over the 750,000 threshold. and I was limited to 65% of the mortgage interest however it should have been (550,000 *12 + 652000*3)/12 = 713,000 average mortage debt and not capped at all. What should I do and how do I fix the calculation in turbotax?

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