tax due dates 2027.
Key federal and Nevada deadlines for the 2027 filing season (2026 tax year). When a date falls on a weekend or holiday, the deadline moves to the next business day.
federal
| Date | What's due |
|---|---|
| Jan 15, 2027 | 4th quarter 2026 estimated tax payment |
| Jan 26, 2027* | IRS usually opens tax season in late January (date announced by the IRS) |
| Feb 1, 2027 | W-2s to employees and SSA; 1099-NEC to contractors and the IRS (Jan 31 falls on a Sunday) |
| Mar 15, 2027 | S-Corp (1120-S) and partnership (1065) returns or extensions; S-Corp election deadline for 2027 |
| Apr 15, 2027 | Personal returns (1040) and C-Corp returns (1120) or extensions; 1st quarter 2027 estimated payment |
| Jun 15, 2027 | 2nd quarter 2027 estimated payment |
| Sep 15, 2027 | 3rd quarter 2027 estimated payment; extended S-Corp and partnership returns |
| Oct 15, 2027 | Extended personal and C-Corp returns |
*Estimated. The IRS announces the official opening date each January.
nevada & payroll
| When | What's due |
|---|---|
| Every year | Nevada Annual List and State Business License renewal, by the last day of your formation month |
| Quarterly | Nevada Modified Business Tax and DETR unemployment insurance reports, if you have employees |
| Quarterly | Federal Form 941 payroll tax return (Apr 30, Jul 31, Oct 31, Jan 31) |
| Mid-August | Nevada Commerce Tax return, only if Nevada gross revenue is over $4 million |
Dates verified in October 2026 for general information. Disaster declarations and IRS announcements can change deadlines; confirm on IRS.gov or ask us.