01/15 – 4th Quarter 2025 Estimated Tax Payment Due Date
01/19 – Deadline to turn in information for Daniel to prepare 1098s / 1099s
02/02 – Deadline for employers to file W2s with IRS and mail to employees
02/02 – Deadline for reporting contract workers 1099s and mailing to contract workers
02/02 – Deadline to submit 1098s/1099s to IRS
02/16 – Deadline to turn in Tax Documents for Partnerships and Corporations
03/16 – Last day to E-file Partnership and Corporate Returns
03/31 – Deadline to drop off Tax Docs for Personal Returns (2-wk turnaround)
04/01 – Start date to request a Personal Extension
04/15 – Last day to E-file Personal Returns
04/15 – Last day to E-file Personal Extensions
04/15 – 1st Quarter 2026 Estimated Tax Payment Due Date
06/15 – 2nd Quarter 2026 Estimated Tax Payment Due Date
09/01 – Deadline to turn in Tax Documents for Personal Extensions
09/15 – 3rd Quarter 2026 Estimated Tax Payment Due Date
10/15 – Last day to E-file Returns for Personal Extensions
01/15/2027 – 4th Quarter 2026 Estimated Tax Payment Due Date