How do you end up owing on taxes?
Mia Ramsey
Published Mar 03, 2026
Here are the five most common reasons why people owe taxes.
- Too little withheld from their pay. You can give yourself a raise just by changing your Form W-4 with your employer.
- Extra income not subject to withholding.
- Self-employment tax.
- Difficulty making quarterly estimated taxes.
- Changes in your tax return.
Does Arizona require you to file a tax return?
In the state of Arizona, full-year resident or part-year resident individuals must file a tax return if they are: Single or married filing separately and gross income (GI) is greater than $12,400; Head of household and GI is greater than $18,550; or. Married and filing jointly and GI is greater than $24,800.
Do you have to pay taxes to another state in Arizona?
Arizona will also tax retirement from another state. Residents are taxed on the same income they report for federal income tax purposes, subject only to the specific modifications allowed under state law. However, an individual may be able to claim a credit for taxes paid to another state.
Can a widow file as Head of Household in Arizona?
You may file as head of household on your Arizona return, only if one of the following applies: You qualify to file as a qualifying widow or widower on your federal return. If you were married as of December 31, in the tax year you may choose to file a separate return.
How are Ador offsets used in the Arizona tax refund?
If a taxpayer and/or spouse owe money to the Arizona Department of Revenue or another agency, the amount may be deducted from an expected refund. ADOR offsets as much of the refund needed to pay off overdue taxes owed by taxpayers and notifies them when this occurs.
Do you get tax credit for same income in Arizona?
Individuals subject to tax by both Arizona and another state on the same income may also be eligible for a tax credit. Please see Arizona Credit Form 309 for more information. Additionally, as a general rule, the same taxable portion of an individual’s pension for federal purposes will be taxable for Arizona purposes.
