Arizona Income Tax 2025. Calculate your income tax, social security and pension. If you file under a valid extension, your extended due date to file your income tax return is october 15, 2025.

Estimated tax payments are due april 15, june 17, september 16, 2024, and january 15, 2025. Phoenix’s residential rental tax rate had been set at 2.3%, while mesa’s tax rate was set at 2%.