Idaho State Tax Commission

Idaho State Tax Commission

2018 Estimated Payments

You can make a 2018 estimated payment using the 2017 Form 51, Estimated Payment of Idaho Individual Income Tax, with a paper check. Make sure you mark the 2018 box on the form. Our online payment portals can’t accept 2018 electronic payments until Jan. 1.

 Edited to remove direct link as the form has been updated. Here is a listing of Form 51 for all years.

Posted 12-15-2017
tax pros general

This information is for general guidance only. Tax laws are complex and change regularly. We can't cover every circumstance in our guides. This guidance may not apply to your situation. Please contact us with any questions. We work to provide current and accurate information. But some information could have technical inaccuracies or typographical errors. If there's a conflict between current tax law and this information, current tax law will govern.