Arkansas tax deadlines (2026 tax year)

For returns filed in 2027. Different year? See Arkansas 2025 deadlines →

The short answer Arkansas individual income tax returns for 2026 are due April 15, 2027. With an extension you have until November 15 to file, but any tax owed is still due on the original date. If a deadline falls on a weekend or legal holiday, it moves to the next business day.

Arkansas state deadlines (2026 tax year)

Individual return (filing)April 15, 2027
Extended filing deadlineNovember 15, 2027
Estimated paymentsApril 15 · June 15 · September 15 · January 15

Individual returns are due April 15, but Arkansas's extended filing deadline is November 15 — one month past the federal October 15 extension. A valid federal extension is honored automatically (no separate state form needed). Payment is still due April 15.

Federal deadlines that still apply (2026 tax year)

Individual (Form 1040)April 15, 2027 · extension October 15, 2027
S-corp (1120-S) & partnership (1065)March 15, 2027
C-corp (Form 1120)April 15, 2027
Estimated paymentsApril 15, 2026 · June 15, 2026 · September 15, 2026 · January 15, 2027

Frequently asked questions

When are Arkansas state taxes due for the 2026 tax year?

Arkansas individual income tax returns for 2026 are due April 15, 2027. If that date falls on a weekend or legal holiday, the deadline moves to the next business day. An extension moves the filing deadline to November 15, but any tax owed is still due on the original date.

Does a Arkansas extension give me more time to pay?

No. An extension extends the time to file, not to pay. To avoid penalties and interest, pay what you expect to owe by April 15, 2027.

When are Arkansas estimated tax payments due?

Quarterly estimated payments are generally due April 15, June 15, September 15, January 15. Confirm the current-year dates with the Arkansas Department of Revenue.

Dates are the standard statutory deadlines for the 2026 tax year and move to the next business day when they fall on a weekend or holiday. Always confirm the current dates with the Arkansas Department of Revenue or the IRS. This is general information, not tax advice.

← All 2026 tax deadlines