2021 TAX DATES

With a new year here, we hope you enjoyed the holidays with family and friends. But it’s good to start thinking about 2021, here’s a list of the tax dates for 2021 (tax year 2020) to keep in mind. Listed below are all the important tax dates with the applicable extensions and those deadlines. PLEASE NOTE: We suggest most clients file an extension on their taxes. Please make sure your extension request is filed before the extension due date. Late extension requests will not be accepted by the IRS.
Form Type of Due Date 2021 Filing Due Date (TY 2020) Notes
Form W-2-(Employee Salary and Tax Info)
Final Due Date
Monday, February 1, 2021
No Extension
Form 1099 – (Contractor Payment Info)
Final Due Date
Monday, February 1, 2021
No Extension
SF Payroll and Gross Receipt (if Registered in SF)
Due Date
Monday, March 1, 2021
Extension Request Date
60 Days
Need to submit 100% payment before or on 3/1/2021
DE Franchise Tax (DE C Corp. Return)
Monday March 1, 2021
No extension
Form 1065 (Partnerships Return)
Due Date
Monday, March 15, 2021
Calendar year
The 15h day of the 3rd month.
Fiscal Year
Extension Request Date
Wednesday, September 15, 2021
Need to file form 7004 before the 15th day of the 3rd month of fiscal/calendar year to request extension
Form 1120 (S Corp. Returns
Due Date
Monday, March 15, 2021
Extension Request Date
Wednesday, September 15, 2021
SF 571-L (Business Property Filing)
Final Due Date
Thursday, April 1, 2021
No Extension
Form 1040 (Individual Return)
Due Date
Thursday, April 15, 2021
Extension Request Date
Friday, October 15, 2021 (6-month)
Need to file form 4868 before 4/15/2020 to request extension and submit payment before or on 4/15/2020
FinCEN 114 (Foreign Bank Acct. Reporting)
Extension Request Date
Thursday, April 15, 2021
Final Due Date
Friday, October 15, 2021 (6-month)
Automatically extended to 10/15/2021
Form 1120 (C Corp, Return)
Due Date
Thursday, April 15, 2021
Extension Request Date
Friday, October 15, 2021 (6-month)
Need to file form 7004 before 4/15/2020
Form 990 Series (Tax Exempt Org. Return)
Due Date
Monday, May 17, 2021
Final Due Date
Monday, November 15, 2021 (6-month)
Need to file form 8868 before 5/15/2020
SF 2020 - 2021 - (Business Reg. Renewal)
Due Date
Monday, March 1, 2021
No Extension
Form 5500 Series (Employee Benefit Plan)
Due Date
Saturday, July 31, 2021
Extension Request Date
Friday, October 15, 2021
Need to file Form 5558 before 7/31/2021

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