Tax Calender
January 31
February 15
February 28
March 15
Partnerships must file for 1065 for the calendar year and pay any taxes due.
S Corporations must file form 1120S for the calendar year and pay any taxes due.
April 17
2017 individual income tax returns due, along with any tax, interest, and penalties due.
Last day to contribute to a traditional IRA, Roth IRA, or SEP-IRA for the 2017 tax year.
Estimated tax for the 1st quarter of 2018 due for those who do not pay their income tax throughout the year through withholding.
C Corporations must file form 1120 for the calendar year and pay any taxes due.
June 15
2017 individual income tax returns due for those who live outside the United States.
Estimated tax for the 2nd quarter of 2018 due for those who do not pay their income tax throughout the year through withholding.
September 17
Estimated tax for the 3rd quarter of 2018 due for those who do not pay their income tax throughout the year through withholding.
Partnerships tax returns due for those businesses that were given a 6-month extension to file returns for 2017.
S Corporations tax returns due for those businesses that were given a 6-month extension to file returns for 2017.
October 15
Individual income tax returns due for those who were given a 6-month extension to file income tax returns for 2017, along with any tax, interest, and penalties due.
C Corporations tax returns due for those businesses that were given a 6-month extension to file returns for 2017.