Utah State Tax Guide
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Utah State Tax Guide
Utah Key deadlines (tax year 2025, return filed in 2026)
- Filing deadline: Apr 15, 2026
- Extension request deadline: Apr 15, 2026 — Automatic unless you owe a tax liability then the deadline to file is April 15, 2026
- Extended return deadline: Oct 15, 2026 (6-month extension)
- Payment deadline: Apr 15, 2026
- Differs from federal: No
You must pay at least 90% of your current year’s tax liability or 100% of your prior year’s tax liability by April 15.
If the due date for filing your return falls on a. Saturday, Sunday, or legal holiday, your return is due by the next regular working day.
October 15, 2026 (6-month extension)
Relevant Links
Payment rules
You must pay at least 90% of your current year’s tax liability or 100% of your prior year’s tax liability by April 15.
Payment options
Payment plan availability
Available: Yes
Yes, you can request a payment plan through your TAP account. Go to the Apply Online box and click "Apply for a waiver or a pay plan" link.
Filing forms
Extension
- Form TC-546 · Download form
Utah Refund Tracking
Do I need to file?
Individuals residing in Utah are not required to file a separate extension form, the state of Utah will automatically grant an extension for up to 6 months for individuals to file an income tax return with the state. Utah’s extension form, Form TC-546, should only be used if you need to make an extension payment for your Utah income tax.
Filing methods
Online filing
Do not need to file if there is no balance owed. However, if you owe a balance you need to file Form TC-546 online at TAP.
Mail filing
Do not need to file if there is no balance owed. However, if you owe a balance you need to file Form TC-546 by mail.
