Why am I getting less mortgage interest credit than I have reported mortgage interest?

[ljb13]

I have reported mortgage interest of $14,390.37 however, I am only getting an intemized deduction credit of $4,257.00.  Why is this?

[Vanessa]

Was any of your mortgage a cash out refinance? or home equity loan?

[ljb13]

yes - i consolated a first and home equity on two different houses and took out some cash to pay off my credit cards

[Vanessa]

Mortgage interest is only deductible on the part of the mortgage that was used to buy, build or substantially improve your home, so when you finished answering the questions in TurboTax and entered the amount that was used to buy, build or substantially improve your home, it was likely about 30% of your total balance.

"No matter when the indebtedness was incurred, you can no longer deduct the interest from a loan secured by your home to the extent the loan proceeds weren't used to buy, build, or substantially improve your home."https://www.irs.gov/publications/p936