Resources / Tax Due Dates
Tax Due Dates.
Individuals
| Jan 15, 2026 | 4th-quarter 2025 estimated tax payment due |
| Apr 15, 2026 | 2025 Form 1040 & balance due · 1st-quarter 2026 estimate · 2025 IRA/HSA contributions · file Form 4868 for an extension |
| Jun 15, 2026 | 2nd-quarter 2026 estimated tax payment due |
| Sep 15, 2026 | 3rd-quarter 2026 estimated tax payment due |
| Oct 15, 2026 | Extended 2025 individual returns due |
Businesses
| Feb 2, 2026 | W-2s and 1099-NEC due to recipients and the IRS/SSA (Jan 31 falls on a weekend) |
| Mar 16, 2026 | S-corporation (1120-S) & partnership (1065) returns due (Mar 15 falls on a Sunday) |
| Apr 15, 2026 | C-corporation (1120) returns & 1st-quarter estimated payment due |
| Sep 15, 2026 | Extended S-corporation & partnership returns due |
| Oct 15, 2026 | Extended C-corporation returns due |
Please note
Dates assume the standard federal calendar; weekend and holiday shifts are applied where known. Fiscal-year filers, special elections, and disaster relief can change them. Confirm at IRS.gov or with us before relying on a date.