📅 Important Tax Dates
Individual Tax Deadlines (2026)
January 15, 2026Q4 2025 estimated tax payment due
January 31, 2026Employers must furnish W-2s; 1099-NEC due
March 15, 2026S-Corp (1120-S) and Partnership (1065) returns due (or extension)
April 15, 2026Individual (1040) returns due (or extension); Q1 2026 estimated tax due; IRA/HSA contribution deadline for 2025
June 15, 2026Q2 2026 estimated tax payment due
September 15, 2026Extended S-Corp/Partnership returns due; Q3 2026 estimated tax due
October 15, 2026Extended individual (1040) returns due
January 15, 2027Q4 2026 estimated tax payment due
Business Tax Deadlines (2026)
January 31, 2026W-2s and 1099-NEC filing deadline
March 15, 2026S-Corp and Partnership returns due
April 15, 2026C-Corp (1120) returns due; Q1 estimated tax
September 15, 2026Extended S-Corp/Partnership returns due
October 15, 2026Extended C-Corp returns due
New York State Specific
April 15, 2026NY IT-201/IT-203 due; Q1 NY estimated tax
June 15, 2026Q2 NY estimated tax
September 15, 2026Q3 NY estimated tax
January 15, 2027Q4 NY estimated tax
Payroll Deadlines (2026)
Monthly/Semi-weeklyFederal payroll tax deposits (varies by schedule)
January 31, 2026Form 940 (FUTA) due; Q4 Form 941 due
April 30, 2026Q1 Form 941 due
July 31, 2026Q2 Form 941 due
October 31, 2026Q3 Form 941 due
📌 Dates may change due to weekends or holidays. Contact us for personalized deadline tracking.