If you're talking about taxes owed (not total tax liability), then your employer didn't withhold enough taxes from your paychecks. Be sure to adjust your withholding allowances if this is the case. If you're talking about your total tax liability that increased, then agreed...it is probably due to limitations on SALT deductions (state and local income taxes max out at $10k). So if you live in a high property tax state and pay more than $10k in property tax, you may lose out on that deduction. You definitely lose out on that deduction if your SALT is greater than the married filing jointly standard deduction of $24k.
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