Resources / Resources
Key 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 |
Disclaimer
These resources are provided for general informational purposes only and do not constitute tax, legal, or accounting advice. Tax laws change frequently, please consult OnePoint Business Solutions before acting on any item here.