DawnC
Expert Alumni

Deductions & credits

Yes, it is an average.  TurboTax will calculate your average mortgage balance.   You enter the mortgage balance as of Jan 1st when you enter the 1098.   So for a 2023 tax return and 1098, you will enter the mortgage balance as of Jan 1, 2023.    See Pub 936 for details on how it is calculated.   

**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"