|Estimate: 3rd Quarter, 2018||Mon, Sep 17, 2018|
|Prior Year Annual Tax Return with Extension (FYE: Dec, 2017)||Mon, Sep 17, 2018|
|Estimate: 4th Quarter, 2018||Mon, Dec 17, 2018|
|Annual Tax Return: Fiscal Year ending Dec, 2018||Fri, Mar 15, 2019|
The due date(s) shown above apply to your Federal tax filings. Most states follow the federal due dates, however, you should check with your state's tax department to be sure.