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Phoenix Arizona Tax Guide 2026: Flat 2.5% Income Tax, Maricopa County Property Tax, and More

KEY INSIGHT
Arizona moved to a flat 2.5% income tax rate for tax years beginning in 2023 — one of the lowest flat rates in the US. Arizona’s statewide average effective property tax rate is about 0.48% of home value (Tax Foundation), among the lowest in the country. Combined sales tax in Phoenix is approximately 8.6% (Arizona 5.6% plus county and city rates).
At a glance

Key Facts

State Flat Tax Rate
2.5% (since January 1, 2023)
Arizona Property Tax Rate
~0.48% statewide average effective rate (Tax Foundation)
Phoenix Combined Sales Tax
~8.6% (state 5.6% plus county and city rates)
Income Tax Saving vs California at $100K
~$2,810 per year
Income Tax Saving vs New York at $100K
~$2,760 per year (NY state tax only)
Introduction

Arizona moved to a flat 2.5% individual income tax rate for tax years beginning in 2023 — one of the lowest flat income tax rates in the United States. Combined with a statewide average effective property tax rate of about 0.48% (Tax Foundation, 2024 Census data), Arizona offers a low-income-tax, low-property-tax combination. States with no tax on wages (such as Texas and Florida) beat Arizona on income tax, but Texas’s average effective property tax rate (about 1.40%) is far higher than Arizona’s.

Phoenix, Arizona’s capital and the center of Maricopa County, is a popular destination for people leaving California. For a single filer earning $100,000 in wages, the state income tax saving of a California-to-Arizona move is about $2,810 per year (2026, standard deduction).

Section 01

Arizona's Flat 2.5% Income Tax: How It Changed in 2023

Arizona's income tax overhaul was one of the most significant state tax reductions in the US in recent years. Before 2021, Arizona had a graduated income tax topping at 4.5%. In November 2020, Arizona voters passed Proposition 208 (the Invest in Education surcharge), which would have added a 3.5% surcharge on incomes over $250,000 — taking the top rate to 8%. However, after a 2021 Arizona Supreme Court ruling sent the case back to the trial court, a Maricopa County Superior Court judge declared Prop 208 unconstitutional in March 2022.

Simultaneously, in 2022, Arizona voters approved Proposition 132, which requires a supermajority of 60% for any future ballot measure imposing a new tax — making tax increases through ballot initiative significantly harder. The Arizona legislature also passed a flat tax consolidation: all taxpayers pay a flat 2.5% rate starting January 1, 2023. For comparison: California's top rate is 13.3%, New York's is 10.9%, Colorado is 4.4%, Utah is 4.45%, and Indiana is 2.95%. Arizona's 2.5% is exceptional. At $100,000 of wages (single filer, 2026, standard deduction), Arizona income tax is about $2,098 — versus about $4,911 in California or $4,861 in New York State (state tax only).

Section 02

Phoenix and Maricopa County Property Tax 2026

Arizona’s property tax system caps how fast a home’s taxable Limited Property Value (LPV) can rise: no more than 5% above the prior year’s LPV, and never above Full Cash Value (Proposition 117). Residential property is then assessed at 10% of LPV to determine the taxable assessed value. This dual system (a 5% annual cap on LPV plus a 10% assessment ratio) helps keep effective rates low.

For a $500,000 Phoenix home, the Tax Foundation’s statewide average effective rate of about 0.48% implies roughly $2,400 per year — compared with about $7,000 at Texas’s 1.40% average or about $9,400 at Illinois’s 1.88% average. Actual bills vary by school district and special districts.

Section 03

Arizona Transaction Privilege Tax (TPT) vs Sales Tax

Arizona's consumption tax is called the Transaction Privilege Tax (TPT) rather than a sales tax — a technical distinction that matters. The TPT is legally a tax on the privilege of doing business in Arizona, imposed on the seller rather than the buyer (unlike most states' sales taxes). In practice, sellers pass the cost to buyers, making it function identically to a sales tax. Arizona's state TPT rate is 5.6% — lower than most surrounding states. Maricopa County and the City of Phoenix add their own rates, bringing the combined rate to approximately 8.6%.

Arizona exempts food for home consumption (groceries) from the state TPT, and prescription drugs are exempt. The TPT's business-level imposition means remote sellers and marketplace facilitators also collect it. Arizona's 5.6% state TPT rate is lower than California (7.25%), Illinois (6.25%), or Washington (6.5%) — another dimension of Arizona's tax competitiveness.

Section 04

The California-to-Arizona Migration: Tax Savings Explained

The California-to-Arizona migration is the dominant demographic and economic story of the Phoenix metropolitan area. The state income tax math for a single filer (wages only, 2026, standard deduction) is:

Income LevelCalifornia TaxArizona TaxAnnual Saving
$75,000~$2,665~$1,473~$1,192
$100,000~$4,911~$2,098~$2,813
$150,000~$9,561~$3,348~$6,213
$250,000~$18,861~$5,848~$13,013
$500,000~$43,700~$12,098~$31,602

At $150,000 of income, a California-to-Phoenix mover saves approximately $6,213 per year in state income tax alone (single filer, wages only). Housing costs, property taxes and sales taxes also differ and are not included in this table.

Section 05

Phoenix Total Tax Burden vs Los Angeles and New York

For a single professional earning $150,000 in wages (2026, standard deduction) and owning a $500,000 home:

Tax TypePhoenix, AZLos Angeles, CANew York City
State income tax~$3,348~$9,561~$8,291
City income tax$0$0NYC resident income tax also applies (3.078%–3.876%)
Property tax ($500K home at statewide average effective rate)~$2,400 (0.48%)~$3,500 (0.70%)~$6,500 (1.30%, NY statewide)

Federal income tax is the same in all three. On state income tax alone, Phoenix is about $6,213 less than California and about $4,943 less than New York State (before NYC tax). Property tax figures use Tax Foundation statewide average effective rates; new California buyers are assessed at purchase price and typically pay more than the 0.70% average, and NYC rates differ from the New York statewide average. Sales tax, which depends on spending, is not included.

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FAQ

Frequently Asked Questions

When exactly did Arizona reduce its income tax to 2.5%?

Arizona's flat 2.5% income tax took effect for tax years beginning January 1, 2023. Earlier years used a graduated structure with higher rates (A.R.S. 43-1011.01); the flat 2.5% rate applies to all taxable income for taxable years beginning in 2023 and later.

Why is Maricopa County's property tax rate so much lower than Texas?

Arizona's property tax system has two key features that keep effective rates low: (1) Residential property is assessed at only 10% of its Limited Property Value (rather than 100% of market value as in Texas), dramatically reducing the taxable base before the tax rate is applied; and (2) The Limited Property Value cannot increase by more than 5% per year, protecting homeowners from rapid appreciation spikes. Texas appraises at market value (homesteads have a separate 10% annual appraisal cap), and school district levies are a primary driver of Texas's higher rates.

What is Arizona's Transaction Privilege Tax and how is it different from sales tax?

The Arizona TPT is legally structured as a tax on businesses for the privilege of conducting business in Arizona, imposed at the seller level rather than the buyer level. In all practical respects it functions identically to a sales tax — sellers include the cost in prices paid by consumers. The distinction matters for remote sellers and tax compliance purposes but not meaningfully for consumers. Arizona's state TPT rate of 5.6% is lower than California (7.25%), Illinois (6.25%), or Washington (6.5%), contributing to Phoenix's overall tax competitiveness even though city/county additions bring the combined Phoenix rate to ~8.6%.

Does Phoenix have a city income tax?

No. Neither Phoenix nor any other Arizona city or county may levy a personal income tax on residents or workers. Arizona state law prohibits local income taxes. The only income tax Arizona residents pay is the state flat 2.5% rate. This is a contrast with Ohio (hundreds of municipalities with income taxes), Pennsylvania (EIT in nearly every municipality), and Indiana (all 92 counties levy income tax). Arizona's income tax is cleaner and simpler than most Midwestern states.

Is Arizona good for retirees from a tax perspective?

Arizona is excellent for retirees. Arizona exempts Social Security income from state income tax entirely. Military retirement pay is fully exempt (since tax year 2021). The flat 2.5% rate on other retirement income (pensions, 401(k)s, IRAs) is very low by comparison to most states with income tax. Arizona's low property tax rate means longtime homeowners face modest and predictable property tax bills. The warm, dry climate is also attractive for health reasons.

What is the impact of TSMC's Phoenix factory on Arizona taxes and costs?

TSMC operates a large semiconductor manufacturing site in north Phoenix, a major private investment in Arizona. The economic impact includes: higher home values in north Phoenix suburbs, increased property tax revenue for Maricopa County and applicable school districts, and job creation that sustains Arizona's income tax revenue base. For residents, TSMC's presence has somewhat increased competition for housing in the north Phoenix corridor. Large employers can also receive economic development incentives, so advertised tax rates and actual taxes paid by large businesses can differ.

How does Arizona's 2.5% flat tax compare to Nevada's zero income tax?

Nevada has no state income tax at all — similar to Texas and Florida. For a high earner choosing between Phoenix and Las Vegas, Nevada's zero income tax beats Arizona's 2.5%. At $200,000 of wages, the difference is about $4,600 per year (2.5% after the $16,100 standard deduction). However, Nevada's property taxes are comparable to Arizona's (approximately 0.50% effective rate statewide), so the small property tax difference doesn't meaningfully offset the income tax difference favoring Nevada. Nevada's lack of a personal income tax reflects its reliance on gaming and tourism revenue rather than income taxes. For most workers, Arizona's 2.5% is very competitive but not quite as good as Nevada's zero. Phoenix's larger job market, healthcare infrastructure, and quality of life often tip the balance in favor of Arizona despite the small income tax.
Disclaimer:This guide is for educational purposes only and does not constitute tax or legal advice. Tax rates and rules change annually. Consult a qualified tax professional for advice specific to your situation.
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