Individual Tax Return Filing Deadline
Taxes
2025 Individual tax return (Form 1040).
2025 Individual tax return (Form 1040).
Q1 estimated tax payment due for 2026.
2025 C‑Corp (Form 1120) filing deadline.
2025 Trust & Estate (Form 1041) filing deadline.
Q2 estimated tax payment due for 2026.
Q3 estimated tax payment due for 2026.
2025 Partnership (Form 1065) & S‑Corp (Form 1120‑S) extension filing deadline.
2025 Trust & Estate (Form 1041) extension filing deadline.
2025 Individual (Form 1040) & C‑Corp (Form 1120) extension filing deadline.
Q4 estimated tax payment due for C-Corps and State PTE Elections for 2026.