Pay Quarterly Estimate Tax Online

Save time and money by paying your quarterly estimate income tax online with Keystone’s e-file.

A convenient new feature lets you schedule your quarterly payments to arrive on or before the due date.

Keystone’s new and improved e-file allows you to keep track of your tax payments from your e-file account home page.

By law, quarterly payments are due 15 days following the close of each calendar quarter.

Here is a handy schedule:

  • 1st Quarter due date              April 15, 2018
  • 2nd Quarter due date             July 15, 2018
  • 3rd Quarter due date              Oct. 15, 2018
  • 4th Quarter due date              Jan. 15, 2019

If the due date falls on a weekend or state holiday, payments are due the next business day.

Late-filed payments may be subject to statutory penalty, interest and costs.

For more information on quarterly estimate earned income tax payments, visit Frequently Asked Questions.

April 6, 2018