2020 Tax Dues Dates

DateDetails
September 15, 2020Individuals – Make a payment of your 2020 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment date for estimated tax in 2020.
S Corporations – File a 2019 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension. Provide each shareholder with a copy of Schedule K-1 (Form 1120S) or a substitute Schedule K-1.
Partnerships – File a 2019 calendar year return (Form 1065). This due date applies only if you were given an additional 6-month extension. Provide each partner with a copy of Schedule K1 (Form 1065) or a substitute Schedule K1.
Corporations – Deposit the third installment of estimated income tax for 2020. A worksheet, Form 1120-W, is available to help you make an estimate of your tax for the year.
October 15, 2020Individuals – If you have an automatic 6-month extension to file your income tax return for 2019, file Form 1040 or Form 1040-SR and pay any tax, interest, and penalties due.
Corporations – File a 2019 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension.
December 15, 2020Corporations – Deposit the fourth installment of estimated income tax for 2020. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.

2021 Tax Due Dates

DateDetails
January 15, 2021Individuals – Make a payment of your 2020 estimated tax if you are not paying your income tax for the year through withholding. Use Form 1040-ES. This is the fourth installment date for estimated tax in 2020.
March 15, 2021S Corporations – File a 2020 calendar year income tax return (Form 1120S) and pay any tax due. This is the initial due date of the tax return, an automatic 6-month extension is available.
Partnerships – File a 2020 calendar year return (Form 1065). This is the initial due date of the tax return, an automatic 6-month extension is available.
April 15, 2021Individuals – File a 2020 calendar year income tax return (Form 1040) and pay any tax due. This is the initial due date of the tax return, an automatic 6-month extension is available.
Individuals – Make a payment of your 2021 estimated tax if you are not paying your income tax for the year through withholding. Use Form 1040-ES. This is the first installment date for estimated tax in 2021.
Trusts – File a 2020 calendar year income tax return (Form 1041) and pay any tax due. This is the initial due date of the tax return, an automatic 6-month extension is available.
Corporations – File a 2020 calendar year income tax return (Form 1120) and pay any tax due. This is the initial due date of the tax return, an automatic 6-month extension is available.
CA LLC’s and S Corporations – Make a minimum payment of $800 to the CA Franchise Tax Board to satisfy the annual franchise tax for California LLC’s and S Corporations. Use CA form 3522 for LLC’s and CA form 100-ES for an S Corporation.
May 17, 2021Non-Profit Organizations – File a 2020 calendar year income tax return (Form 990) and pay any tax due. This is the initial due date of the tax return, an automatic 6-month extension is available.
June 15, 2021Individuals – Make a payment of your 2021 estimated tax if you are not paying your income tax for the year through withholding. Use Form 1040-ES. This is the second installment date for estimated tax in 2021.
September 15, 2021Partnerships – File a 2020 calendar year return (Form 1065). This due date applies only if you were given an additional 6-month extension.
S Corporations – File a 2020 calendar year income tax return (Form 1120S) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension.
Individuals – Make a payment of your 2021 estimated tax if you are not paying your income tax for the year through withholding. Use Form 1040-ES. This is the third installment date for estimated tax in 2021.
October 15, 2021Individuals – File a 2020 calendar year return (Form 1040) and pay any tax, interest, and penalties due. This due date applies only if you were given an additional 6-month extension.
Trusts – File a 2020 calendar year return (Form 1041) and pay any tax, interest, and penalties due. This due date applies only if you were given an additional 6-month extension.
Corporations – File a 2020 calendar year return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you were given an additional 6-month extension.
November 15, 2021Non-Profit Organizations – File a 2020 calendar year return (Form 990). This due date applies only if you were given an additional 6-month extension.
January 17, 2022Individuals – Make a payment of your 2021 estimated tax if you are not paying your income tax for the year through withholding. Use Form 1040-ES. This is the fourth installment date for estimated tax in 2021.