While the Tax Cuts and Jobs Act (TCJA) reduces most income tax rates and expands some tax breaks, it limits or eliminates several itemized deductions that have been valuable to many individual taxpayers. Here are five deductions you may see shrink or disappear when you file your 2018 income tax return:
1. State and local tax deduction. For 2018 through 2025, your total itemized deduction for all state and local taxes combined — including property tax — is limited to $10,000 ($5,000 if you’re married and filing separately). You still must choose between deducting income and sales tax; you can’t deduct both, even if your total state and local tax deduction wouldn’t exceed $10,000.
2. Mortgage interest deduction. You generally can claim an itemized deduction for interest on mortgage debt incurred to purchase, build or improve your principal residence and a second residence. Points paid related to your principal residence also may be deductible. […]