Biz Tips | SVA Certified Public Accountants

2026 Tax Calendar | SVA CPAs

Written by Jacob Peters, CPA, MST | Feb 18, 2026

To help you stay on top of key 2026 deadlines, below is a summary outlining when various tax forms, payments, and related actions are due.

Reach out to us if you have any questions or would like assistance with meeting any of these deadlines, we're always happy to help.

February 2
Businesses Provide Form 1098, Form 1099-MISC (except for those with a February 17 deadline), Form 1099-NEC andForm W-2G to recipients.
Employers Provide 2025 Form W-2 to employees.
Employers Report Social Security and Medicare taxes and income tax withholding for fourth quarter 2025 (Form 941) if all associated taxes due weren’t deposited on time and in full.
Employers File a 2025 return for federal unemployment taxes (Form 940) and pay tax due if all associated taxes due weren’t deposited ontime and in full.
Employers File 2025 Form W-2 (Copy A) and transmittal Form W-3 with the Social Security Administration.
Individuals File a 2025 income tax return (Form 1040 or Form 1040-SR) and pay any tax due to avoid penalties for underpaying theJanuary 15 installment of estimated taxes.
February 10
Employers Report Social Security and Medicare taxes and income tax withholding for fourth quarter 2025 (Form 941) if all associated taxes due were deposited on time and in full.
Employers File a 2025 return for federal unemployment taxes (Form 940) if all associated taxes due were deposited on time and in full.
Individuals Report January tip income of $20 or more to employers (Form 4070).
February 17
Businesses Provide Form 1099-B, 1099-S and certain Forms 1099-MISC (those in which payments in Box 8 or Box 10 are being reported) to recipients.
Employers Deposit Social Security, Medicare and withheld income taxes for January if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for January if the monthly deposit rule applies.
Individuals File a new Form W-4 to continue exemption for another year if you claimed exemption from federal income tax withholding in 2025.
March 2
Businesses File Form 1098, Form 1099 (other than those with a February 2 deadline), Form W-2G and transmittal Form 1096 for interest, dividends and miscellaneous payments made during 2025. (Electronic filers can defer filing to March 31.)
March 10
Individuals Report February tip income of $20 or more to employers (Form 4070).
March 16
Calendar-Year Partnerships File a 2025 income tax return (Form 1065 or Form 1065-B) and provide each partner with a copy of Schedule K-1 (Form 1065) or a substitute Schedule K-1 — or request an automatic six-month extension (Form 7004).
Calendar-Year S Corporations File a 2025 income tax return (Form 1120-S) and provide each shareholder with a copy of Schedule K-1 (Form 1120-S) or a substitute Schedule K-1 — or file for an automatic six-month extension (Form 7004). Pay any tax due.
Employers Deposit Social Security, Medicare and withheld income taxes for February if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for February if the monthly deposit rule applies.
March 31
Employers Electronically file 2025 Form 1097, Form 1098, Form 1099 (other than those with an earlier deadline) and Form W-2G.
April 10
Individuals Electronically file 2025 Form 1097, Form 1098, Form 1099 (other than those with an earlier deadline) and Form W-2G.
April 15
Calendar-Year Corporations File a 2025 income tax return (Form 1120) or file for an automatic six-month extension (Form 7004). Pay anytax due.
Calendar-Year Corporations Pay the first installment of 2026 estimated income taxes and complete Form 1120-W for the corporation’s records.
Calendar-Year Trusts and Estates File a 2025 income tax return (Form 1041) or file for an automatic five-and-a-half-month extension (six-month extension for bankruptcy estates) (Form 7004). Pay any tax due.
Employers Deposit Social Security, Medicare and withheld income taxes for March if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for March if the monthly deposit rule applies.
Household Employers File Schedule H, if wages paid equal $2,800 or more in 2025 and Form 1040 isn’t required to be filed. For those filing Form 1040, Schedule H is to be submitted with the return and is thus extended to the due date of the return.
Individuals File a 2025 income tax return (Form 1040 or Form 1040-SR) or file for an automatic six-month extension (Form 4868). (Taxpayers who live outside the United States and Puerto Rico or serve in the military outside these two locations are allowed an automatic two-month extension without requesting one.) Pay any tax due.
Individuals Pay the first installment of 2026 estimated taxes (Form 1040-ES) if not paying income tax through withholding or not paying sufficient income tax through withholding.
Individuals Make 2025 contributions to a traditional IRA or Roth IRA (even if a 2025 income tax return extension is filed).
Individuals Make 2025 contributions to a SEP or certain other retirement plans (unless a 2025 income tax return extension is filed).
Individuals File a 2025 gift tax return (Form 709), if applicable, or file for an automatic six-month extension (Form 8892). Pay any gift tax due. File for an automatic six-month extension (Form 4868) to extend both Form 1040 and Form 709 if no gift tax is due.
April 30
Employers Report Social Security and Medicare taxes and income tax withholding for first quarter 2026 (Form 941) and pay any tax due if all associated taxes due weren’t deposited on time and in full.
May 11
Employers Report Social Security and Medicare taxes and income tax withholding for first quarter 2026 (Form 941) if all associated taxes due were deposited on time and in full.
Individuals Report April tip income of $20 or more to employers (Form 4070).
May 15
Calendar-Year Exempt Organizations File a 2025 information return (Form 990,Form 990-EZ or Form 990-PF) or file for an automatic six-month extension (Form 8868). Pay any tax due.
Calendar-Year Small Exempt Organizations (with gross receipts normally of $50,000 or less) File a 2025 e-Postcard (Form 990-N) if not filing Form 990 or Form 990-EZ.
Employers Deposit Social Security, Medicare and withheld income taxes for April if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for April if the monthly deposit rule applies.
June 10
Individuals Report May tip income of $20 or more to employers (Form 4070).
June 15
Calendar-Year Corporations Pay the second installment of 2026 estimated income taxes and complete Form 1120-W for the corporation’s records.
Employers Deposit Social Security, Medicare and withheld income taxes for May if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for May if the monthly deposit rule applies.
Individuals File a 2025 individual income tax return (Form 1040 or Form 1040-SR) or file for a four-month extension (Form 4868) if you live outside the United States and Puerto Rico or you serve in the military outside those two locations. Pay any tax, interest and penalties due.
Individuals Pay the second installment of 2026 estimated taxes (Form 1040-ES) if not paying income tax through withholding or not paying sufficient income tax through withholding.
July 10
Individuals Report June tip income of $20 or more to employers (Form 4070).
July 15
Employers Deposit Social Security, Medicare and withheld income taxes for June if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for June if the monthly deposit rule applies.
July 31
Employers Report Social Security and Medicare taxes and income tax withholding for second quarter 2026 (Form 941) and pay any tax due if all associated taxes due weren’t deposited on time and in full.
Employers File a 2025 calendar-year retirement plan report (Form 5500 or Form 5500-EZ) or request an extension.
August 10
Employers Report Social Security and Medicare taxes and income tax withholding for second quarter 2026 (Form 941) if all associated taxes due were deposited on time and in full.
Individuals Report July tip income of $20 or more to employers (Form 4070).
August 17
Employers Deposit Social Security, Medicare and withheld income taxes for July if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for July if the monthly deposit rule applies.
September 10
Individuals Report August tip income of $20 or more to employers (Form 4070).
September 15
Calendar-Year Corporations Pay the third installment of 2026 estimated income taxes and complete Form 1120-W for the corporation’s records.
Calendar-Year Partnerships File a 2025 income tax return (Form 1065 or Form 1065-B) and provide each partner with a copy of Schedule K-1 (Form 1065) or a substitute Schedule K-1 if an automatic six-month extension was filed.
Calendar-Year S Corporations File a 2025 income tax return (Form 1120-S) and provide each shareholder with a copy of Schedule K-1 (Form 1120-S) or a substitute Schedule K-1 if an automatic six-month extension was filed. Pay any tax, interest and penalties due.
Calendar-Year S Corporations Make contributions for 2025 to certain employer-sponsored retirement plans if an automatic six-month extension was filed.
Employers Deposit Social Security, Medicare and withheld income taxes for August if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax forAugust if the monthly deposit rule applies.
Individuals Pay the third installment of 2026 estimated taxes (Form 1040-ES), if not paying income tax through withholding or notpaying sufficient income tax through withholding.
September 30
Calendar-Year Trusts and Estates File a 2025 income tax return (Form 1041) if an automatic five-and-a-half-month extension was filed. Pay any tax,interest and penalties due.
October 13
Individuals Report September tip income of $20 or more to employers (Form 4070).
October 15
Calendar-Year Bankruptcy Estates File a 2025 income tax return (Form 1041) if an automatic six-month extension was filed. Pay any tax, interest and penalties due.
Calendar-Year C Corporations File a 2025 income tax return (Form 1120) if an automatic six-month extension was filed and pay any tax, interest and penalties due.
Calendar-Year C Corporations Make contributions for 2025 to certain employer-sponsored retirement plans if an automatic six-month extension was filed.
Employers Deposit Social Security, Medicare and withheld income taxes for September if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for September if the monthly deposit rule applies.
Individuals File a 2025 income tax return (Form 1040 or Form 1040-SR) if an automatic six-month extension was filed (or if anautomatic four-month extension was filed by a taxpayer living outside the United States and Puerto Rico or serving in the military outside those two locations). Pay any tax, interest and penalties due.
Individuals Make contributions for 2025 to certain existing retirement plans or establish and contribute to a SEP for 2025 if an automatic six-month extension was filed.
Individuals File a 2025 gift tax return (Form 709), if applicable, and pay any tax, interest and penalties due if an automatic six-month extension was filed.
November 2
Employers Report Social Security and Medicare taxes and income tax withholding for third quarter 2026 (Form 941) and pay any tax due if all associated taxes due weren’t deposited on time and in full.
November 10
Employers Report Social Security and Medicare taxes and income tax withholding for third quarter 2026 (Form 941) if all associated taxes due were deposited on time and in full.
Individuals Report October tip income of $20 or more to employers (Form 4070).
November 16
Calendar-Year Exempt Organizations File a 2025 information return (Form 990, Form 990-EZ or Form 990-PF) if a six-month extension was filed. Pay any tax, interest and penalties due.
Employers Deposit Social Security, Medicare and withheld income taxes for October if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for October if the monthly deposit rule applies.
December 10
Individuals Report November tip income of $20 or more to employers (Form 4070).
December 15
Calendar-Year Corporations Pay the fourth installment of 2026 estimated income taxes and complete Form 1120-W for the corporation’s records.
Employers Deposit Social Security, Medicare and withheld income taxes for November if the monthly deposit rule applies.
Employers Deposit nonpayroll withheld income tax for November if the monthly deposit rule applies.