Utah tax deadlines (2026 tax year)

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

The short answer Utah individual income tax returns for 2026 are due April 15, 2027. With an extension you have until October 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.

Utah state deadlines (2026 tax year)

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

Conforms to April 15 with an automatic extension to October 15 (no form required); at least 90% of tax must be paid by April 15 to avoid penalty. Utah individuals do not make formal quarterly estimated payments but may prepay; the dates shown reflect the federal quarterly schedule for prepayments.

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 Utah state taxes due for the 2026 tax year?

Utah 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 October 15, but any tax owed is still due on the original date.

Does a Utah 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 Utah 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 Utah 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 Utah Department of Revenue or the IRS. This is general information, not tax advice.

← All 2026 tax deadlines