2021 Tax Calendar for Individuals

January 15, 2021 The fourth installment of 2020 Federal estimated tax is due.  Use Form 1040-ES.

The fourth installment of 2020 Ohio estimated taxes is due.  Use Form IT 1040ES.

The fourth installment of 2020 Ohio municipal estimated tax is due.  Find your municipal taxing agency through the Ohio Department of Taxation site.

April 15, 2021 The first installment of 2021 Federal estimated tax is due.  Use Form 1040-ES.The first installment of 2021 Ohio tax estimate is due.  Use Form IT 1040ES.

The first installment of your 2021 School District estimated tax is due.  Use Form SD 100 ES.

The first installment of 2021 Ohio municipal estimated tax is due.  Find your municipal taxing agency through the Ohio Department of Taxation site.

May 15, 2021 Deadline to file your 2020 Individual Tax Return (Form 1040) unless filing Form 4868 Application for Automatic Extension.  If filing an application for an extension, include payment of estimated taxes. (Due date extended from April 15, 2021 to May 15, 2021).

Deadline to file your Form IT 1040 (Ohio Individual Income Tax Return) for 2020, if not extending your tax return.  Remit payment of estimated taxes if you are extended your tax return.  (Due date extended from April 15, 2021 to May 15, 2021).

Deadline to file your Form SD 100 (School District Income Tax Return) for 2020 if applicable and not extending your tax return.  Remit payment of estimated taxes if you are extending your tax return.  To see if you are subject to school district income tax, enter your address on the Ohio Department of Taxation Finder site.  (Due date extended from April 15, 2021 to May 15, 2021).

Deadline to file your municipal income tax return.  Find your municipal taxing agency through the Ohio Department of Taxation site.  (Due date extended from April 15, 2021 to May 15, 2021).

June 15, 2021 The second installment of 2021 Federal estimated tax is due.  Use Form 1040-ES.

The second installment of 2021 Ohio tax estimate is due.  Use Form IT 1040ES.

The second installment of your 2021 School District estimated tax is due.  Use Form SD 100 ES.

The second installment of 2021 Ohio municipal estimated tax is due.  Find your municipal taxing agency through the Ohio Department of Taxation site.

September 15, 2021 The third installment of 2021 Federal estimated tax is due.  Use Form 1040-ES.

The third installment of 2021 Ohio tax estimate is due.  Use Form IT 1040ES

The third installment of your 2021 School District estimated tax is due.  Use Form SD 100 ES.

The third installment of 2021 Ohio municipal estimated tax is due.  Find your municipal taxing agency through the Ohio Department of Taxation site.

October 15, 2021 Deadline to file:

  • Individual Tax Return (Form 1040),
  • Ohio Individual Income Tax Return (Form IT 1040),
  • School District Income Tax Return (Form SD 100),
  • Municipal income tax return for 2020

if you timely requested an extension.

January 15, 2022 The fourth installment of 2021 Federal estimated tax is due.  Use Form 1040-ES.

The fourth installment of 2021 Ohio tax estimate is due.  Use Form IT 1040ES

The fourth installment of your 2021 School District estimated tax is due.  Use Form SD 100 ES.

The fourth installment of 2021 Ohio municipal estimated tax is due.  Find your municipal taxing agency through the Ohio Department of Taxation site.