Freelance Taxes in Arizona: Complete 2026 Guide
Rates reviewed · Source: Arizona Department of Revenue
Arizona moved to a flat 2.5% income tax rate in 2023 — one of the lowest in the US among states with income taxes.
Quarterly Estimated Payments
AZ requires quarterly estimated payments if you expect to owe $1,000 or more.
| Quarter | Income period | Due |
|---|---|---|
| Q1 | Jan 1 – Mar 31, 2026 | April 15, 2026 |
| Q2 | Apr 1 – May 31, 2026 | June 16, 2026 |
| Q3 | Jun 1 – Aug 31, 2026 | September 15, 2026 |
| Q4 | Sep 1 – Dec 31, 2026 | January 15, 2027 |
AZTaxes.gov — Arizona Department of Revenue · Form 140ES · How to pay online
Key Tax Facts for Arizona Freelancers
- •2.5% flat income tax — very low
- •No city income taxes in Arizona
- •AZ follows the federal quarterly payment schedule
- •Arizona has a simple, business-friendly tax structure
Deductions in Arizona
Arizona generally conforms to federal deductions, with the same standard deduction amounts as federal.
Top Freelancer Cities in Arizona
Arizona freelance tax questions
How much tax do freelancers pay in Arizona?
Three taxes apply: 15.3% federal self-employment tax on net earnings up to $184,500, federal income tax at your bracket, and Arizona income tax of 2.5% flat. Arizona moved to a flat 2.5% income tax rate in 2023 — one of the lowest in the US among states with income taxes.
Do Arizona freelancers have to make quarterly estimated payments?
AZ requires quarterly estimated payments if you expect to owe $1,000 or more. Federal estimated payments for 2026 are due Q1 April 15, 2026, Q2 June 16, 2026, Q3 September 15, 2026, Q4 January 15, 2027. Arizona follows the same schedule.
What can Arizona freelancers deduct?
Arizona generally conforms to federal deductions, with the same standard deduction amounts as federal.
Where do Arizona freelancers pay estimated taxes online?
Arizona accepts online estimated tax payments through AZTaxes.gov, operated by the Arizona Department of Revenue. The state estimated tax form is Form 140ES. Federal payments are made separately through IRS Direct Pay or EFTPS.
Tax Information Notice
This content is for informational and educational purposes only. It does not constitute tax, legal, or financial advice. Tax laws change frequently. Always consult a qualified CPA or Enrolled Agent for your specific situation.