2021 Federal Tax Deadlines
Updated: Apr 19, 2021
JANUARY 15
Individual: Form 1040-ES 4th Quarter Estimated Tax Payment (on income for September - December)
FEBRUARY 1
Forms W-2; 1099-NEC
MARCH 15
S Corp: Form 1120S or Extension Form 7004
Partnership: Form 1065 or Extension Form 7004
APRIL 15
Individual: Form 1040-ES 1st Quarter Estimated Tax Payment (on income for January - March)
C Corp: Form 1120 or Extension Form 7004
Estates and Trusts: Form 1041 or Extension Form 7004
MAY 17
Individual: Form 1040 (and tax payment) or Extension Form 4868
[changed from April 15th by the IRS on March 13, 2021]
Exempt Organization: Form 990 or Extension Form 8868
JUNE 15
Individual: Form 1040-ES 2nd Quarter Estimated Tax Payment (on income for April - May)
SEPTEMBER 15
Individual: Form 1040-ES 3rd Quarter Estimated Tax Payment (on income for June - August)
S Corp: Form 1120S (if extended)
Partnership: Form 1065 (if extended)
SEPTEMBER 30
Estates and Trusts: Form 1041 (if extended)
OCTOBER 15
Individual: Form 1040 (if extended)
C Corp: Form 1120 (if extended)
NOVEMBER 15
Exempt Organization: Form 990 (if extended)
IRS Date Extensions: https://www.irs.gov/newsroom/irs-extends-additional-tax-deadlines-for-individuals-to-may-17