The due date to file taxes is April 17th for Federal Income Tax Returns. ... Just a reminder if you still have to file your 2017 tax return, April 17, 2018 is the due date. This tax filing deadline is so you can file your return or pay any taxes you owe. If you need an extension you can contact Federal Tax Management at 877.237.2919 Ext. 102 to be filed for free when you use our services for 2017 Tax Preparation.