Sole Proprietorship Tax Deadlines in New York
Federal and state filing dates, extensions, and estimate schedules for 2026.
New York filing deadline
Business income reported on NY personal return.
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: Form IT-201 / IT-203
Estimated payments
Estimated payment dates: Apr 15, 2026, Jun 15, 2026, Sep 15, 2026, Jan 15, 2027.
Due: Apr 15, 2026
FAQ
Does New York require Sole Proprietorship estimated payments?
Estimated payments are scheduled for Apr 15, 2026, Jun 15, 2026, Sep 15, 2026, Jan 15, 2027.
Where can I file New York Sole Proprietorship taxes?
Use New York Department of Taxation and Finance resources at https://www.tax.ny.gov for forms and filing instructions.