Partnership & S-Corp Tax Return Extension Filing Deadline
Taxes
2025 Partnership (Form 1065) & S‑Corp (Form 1120‑S) extension filing deadline.
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.
Q4 estimated tax payment due for 2026 (Form 1040‑ES).