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Department of Taxation and Finance

Estimated tax payment due dates

If you file your income tax or fiduciary return on a calendar-year basis, you must make your first estimated tax payment for 2018 by April 17, 2018. You can either pay all your estimated tax with this first payment or pay it in four equal installments due on:

  • 1st payment: April 17, 2018
  • 2nd payment: June 15, 2018
  • 3rd payment: September 17, 2018
  • 4th payment: January 15, 2019

Special rules apply if you are a:

  • Fiscal-year filer
  • Farmer or fisherman

For more information see:

If you are a nonresident filing one of the following forms, see the instructions below for due dates:

Updated: