Resources
The deadlines you
cannot afford to miss.
Plain-English deadlines and client resources for the small businesses we work with in New York State. Save the dates that apply to you.
Heads up
Wachob Financial is no longer preparing Form 1099-NEC. Please contact your tax preparer.
2026 calendar
Federal and state
tax deadlines.
- Jan15
- 2026 4th Federal and State Estimated Tax Payments due
- Feb2
- 2025 1099-NEC filings due for independent contractors paid more than $600 in 2025
- Mar16
- 2025 LLC Tax Returns due (Form 1065 for LLCs with two or more members)
- 2025 S-Corp Tax Returns due (Form 1120S)
- 2025 IT-204-LL due (for all LLCs registered in New York State)
- 2025 LLC and S-Corp extensions due (if extending)
- Apr15
- 2025 Personal Tax Returns due (or LLCs with only one member)
- 2025 C-Corp Tax Returns due
- 2026 1st Federal and State Estimated Tax Payments due
- Jun15
- 2026 2nd Federal and State Estimated Tax Payments due
- Sep15
- 2025 Extended S-Corp Tax Returns due (Form 1120S)
- 2025 Extended LLC Tax Returns due (Form 1065)
- 2026 3rd Federal and State Estimated Tax Payments due
- Oct15
- 2025 Extended Personal Tax Returns due (or LLCs with one member)
- 2025 Extended C-Corp Tax Returns due
- Dec31
- 2026 Form W-9s for independent contractors due
New York State
Sales tax deadlines.
- Mar20
- Sales tax filing for December 1 to February 28/29
- Jun22
- Sales tax filing for March 1 to May 31
- Sep21
- Sales tax filing for June 1 to August 31
- Dec21
- Sales tax filing for September 1 to November 30
Not sure which deadlines apply to you? Schedule a meeting with your bookkeeper and we'll walk you through it.
Questions about a deadline? Just ask.
Free thirty-minute consultation. We'll review where you are, where you want to be, and what fits.