Prepaid interest (or points) you paid when you took out your mortgage is generally 100% deductible in the year you paid it along with other mortgage interest.
If you refinance your mortgage and use that money for home improvements, any points you pay are also deductible in the same year.
But if you refinance to get a better rate or shorten the length of your mortgage, or to use the money for something other than home improvements, such as college tuition, you’ll need to deduct the points over the life of your mortgage. Say you refi into a 10-year mortgage and pay $3,000 in points. You can deduct $300 per year for 10 years.
So what happens if you refi again down the road?
Example: Three years after your first refi, you refinance again. Using the $3,000 in points scenario above, you’ll have deducted $900 ($300 x 3 years) so far. That leaves $2,400, which you can deduct in full the year you complete your second refi. If you paid points for the new loan, the process starts again; you can deduct the points over the life of the loan.
Home mortgage interest and points are reported on Schedule A of IRS Form 1040.
Your lender will send you a Form 1098 that lists the points you paid. If not, you should be able to find the amount listed on the HUD-1 settlement sheet you got when you closed the purchase of your home or your refinance closing.
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