Here's what homeowners must remember at tax time this year

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By Tina Orem, NerdWallet

Homeownership traditionally comes with some great tax breaks, but lots of things are different this year due to new tax rules. Here are four things that could put a wrinkle in your tax return this filing season if you’re a homeowner.

1. The mortgage interest deduction is different

Mortgage interest is tax-deductible, but this year the deduction has been adjusted. The deduction is limited to interest on up to $750,000 of debt ($375,000 if you’re married filing separately) instead of $1 million of debt ($500,000 if married filing separately).

The key date here is Dec. 15, 2017. If you took out your mortgage before then, the rule change likely doesn’t affect you, according to Ruthann Woll, a certified public accountant and principal in the tax services group at RKL LLP in Wyomissing, Pennsylvania. There’s an exception for people who were under contract to buy a home before Dec. 15, 2017, as long as they were scheduled to close by Jan. 1, 2018.

Also, the law treats refinanced mortgages as if they originated on the old loan’s date, which means the old limit of $1 million still applies. (If you refinance to borrow more than your current mortgage balance, different rules may apply, though.)

source: nbcnews.com