Utah tax deadlines in 2027: filing dates and estimated payments
Deadlines that fall in calendar 2027: the 2026 return and the 2027 estimated payments. Different year? See Utah 2025 →
Utah deadlines in 2027
| 2026 individual return due | April 15, 2027 |
|---|---|
| Extended filing deadline | October 15, 2027 |
| Payment due | April 15, 2027, extension or not |
| Final 2026 estimated payment | January 15, 2027 |
| 2027 estimated payments | April 15, 2027 · June 15, 2027 · September 15, 2027 · January 15, 2028 |
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.
Utah estimated tax payments in 2027
Utah estimated payments for the 2027 tax year follow the standard schedule: April 15, 2027, June 15, 2027, September 15, 2027, January 15, 2028. Confirm the current-year voucher and any state-specific threshold with the Utah tax agency.
Source: incometax.utah.gov.
Utah extensions
An extension moves the Utah filing deadline to October 15, 2027. It does not move the payment date: pay what you expect to owe by April 15, 2027. Confirm with the Utah tax agency whether the federal extension is honored automatically or a state form is required.
Federal deadlines in 2027
| 2026 Form 1040 | April 15, 2027 · extension October 15, 2027 |
|---|---|
| 2026 S-corp (1120-S) & partnership (1065) | March 15, 2027 |
| 2026 C-corp (Form 1120) | April 15, 2027 |
| 2027 federal estimated payments (1040-ES) | April 15, 2027 · June 15, 2027 · September 15, 2027 · January 18, 2028 |
Source: IRS Publication 509 and Form 1040-ES instructions, irs.gov.
Frequently asked questions
When are Utah state taxes due in 2027?
Your 2026 Utah individual income tax return is 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, 2027, but any tax owed is still due on the original date.
When are Utah estimated tax payments due in 2027?
Utah estimated payments for the 2027 tax year are due April 15, 2027, June 15, 2027, September 15, 2027, January 15, 2028. The final installment for 2026 was due January 15, 2027.
Does Utah accept the federal extension?
An extension moves the Utah filing deadline to October 15, 2027. It does not extend the time to pay: pay what you expect to owe by April 15, 2027 to avoid penalties and interest.
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.
Dates are the statutory deadlines that fall in 2027 and move to the next business day when they land on a weekend or holiday. Each section links to the source it was checked against. Always confirm with the Utah tax agency or the IRS before relying on a date. This is general information, not tax advice.