Tax Deadlines

Below are some important tax deadlines.  Please note that not all deadlines are included below.  The dates below are for informational purposes only. Be sure to check with your accountant to double verify the accuracy and your specific situation.

January 19, 2017

IRS begins accepting tax returns for processing. Some types of tax returns, however, will need to wait until late February to mid-March.


January 31, 2017

Deadline for employers to mail out Form W-2 and for businesses to furnish Form 1099 statements reporting, among other things, non-employee compensation, bank interest, dividends, and distributions from a retirement plan.

Deadline for self-employed individuals to file and to pay their tax and avoid an penalty for not making your 4th quarter estimated tax payment.

February 15, 2017

Deadline for employees who claim exemption from withholding to file a new Form W-4 with their employers.

Deadline for financial institutions to mail out Form 1099-B, relating to sales of stock, bonds or mutual funds through a brokerage account, and Form 1099-S, relating to real estate transactions.


March 15, 2017

Deadline for corporate tax returns (Forms 1120, 1120A, and 1120S), or to request automatic 6-month extension of time to file (Form 7004).

Final deadline to file an amended corporate tax return (Form 1120X) for tax year 2009 and still claim a tax refund.


April 15, 2017

Deadline to file individual tax returns (Form 1040, 1040A, or 1040EZ) or to request an Automatic Extension (Form 4868) for the year 2013. An extension provides an extra six months to file your return. Payment of the tax is still due by April 15th. You can submit payment for tax along with the extension form.

Last day to make a contribution to traditional IRA, Roth IRA, Health Savings Account, SEP-IRA or solo 401(k) for the 2012 tax year. (However, if you get an extension, you will have until October 15th to fund a SEP-IRA or solo 401(k).)

1st quarter estimated tax payments due for the 2014 tax year.

Deadline to file estate income tax or trust income tax returns (Form 1041) or to request an automatic 5-month extension of time to file (Form 7004).

Deadline to file partnership tax returns (Form 1065) or to request an automatic 5-month extension of time to file (Form 7004).

May 15, 2017

Deadline for non-profit organizations to file information returns (Form 990), or request an extension (Form 8868).

June 17, 2017

2nd quarter estimated tax payments due for the 2014 tax year.

Deadline for US citizens living abroad to file individual tax returns and to pay any tax due. You can request an additional 4-month extension (Form 4868). (You can request an automatic extension by April 15th instead if you want to.) I provide useful information for claiming theForeign Earned Income Exclusion and the Foreign Tax Credit, two tax breaks essential for Americans working abroad.

September 16, 2017

3rd quarter estimated tax payments due for the 2017 tax year.

Final deadline to file corporate tax returns if an extension was requested. (Forms 1120, 1120A, 1120S).

Final deadline to file trust income tax returns (Form 1041) if an extension was requested.

Final deadline to file partnership tax returns (Form 1065) if an extension was requested.


October 1, 2017

Final deadline for self-employed persons or small employers to establish a SIMPLE-IRA for the year 2016.


October 15, 2017

Final deadline to file individual tax returns (with extension). (Forms 1040, 1040A, 1040EZ.)

Last day the IRS will accept an electronically filed tax return for the year 2016. If filing after October 15th, you’ll need to mail in your tax return for processing.

Final deadline to fund a SEP-IRA or solo 401(k) for tax year 2016 if you requested an automatic extension of time to file


November 2017

Start planning any year-end tax moves.


December 1, 2017

If you are covered by an HSA-compatible health insurance policy as of December 1st, you’ll be eligible to contribute the full amount to a Health Savings Account for the year.


December 31, 2017

Last day to make any tax moves for the year 2017. Last day to set up a solo 401(k) for self-employed persons.

Marital status on this date determines your marital status for the whole year.