My 1098 has a negative value for Property Taxes. TurboTax won’t allow me to enter the negative value. It says “Must be at least 0.” How do I enter the correct value?

If the negative value represents a property tax refund, and the refund was received in 2018, either subtract that amount from property taxes paid in 2018 (if you paid any property taxes in 2018, such as at closing, and the refund is for 2018) or, if you did not pay property tax in 2018, but you did get a refund in 2018 for taxes paid in 2017, enter the refund as a income IF you claimed property taxes paid on your 2017 Federal tax return. In order to have claimed the property taxes on your 2017 return, you would have had to Itemize. If you did not itemize (Schedule A) on your 2017 return, you do not need to claim any refund on your 2018 Federal return.

If you do need to claim the refund (you deducted property taxes on your 2017 return and then got a refund of those property taxes in 2018) Click Federal, Wages & Income, scroll down to Other Common Income and click Show more to open,

Click Start for "Refunds Received for State/Local Tax Returns" 

On the drop down list select "More than one/None"

For Premier Desktop:

Federal Taxes

Wages & Income

Under "1099-MISC and Other Common Income" scroll down and Start for "State and Local Tax Refunds on Form 1099-G" 

Did you get a ...." Yes"

On the following screen, click the State or Locality Drop down 

Please see screen shot below 

[edited 04.01.2019 I 5:52pm]