Yes, you can. It would be reported as an itemized deduction on your federal return Form 1040 Schedule A. And a tax payment made in 2017 on your California tax return. If paid on or before 12/31/2017.
To enter, edit or delete estimated taxes paid (Federal, State, Local) -
- Click on Federal Taxes (Personal using Home and Business)
- Click on Deductions and Credits
- Click on I'll choose what I work on (if shown)
- Scroll down to Estimates and Other Taxes Paid
- On Estimates, click on the start or update button
Or enter estimates paid in the Search/Find box located in the upper right of the online program screen. Click on Jump to estimates paid