US Tax Tools

State Tax

Compare state income tax rates, understand the impact of moving states, and find out which states have no income tax.

10 articles

State Tax

California Income Tax Brackets for 2026

California's 2026 marginal income tax brackets, standard deduction, and the 1% mental-health surcharge over $1M that pushes the top rate to 13.3%.

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State Tax

RSU Multi-State Allocation Explained: Workday Fraction Method

How RSU vest income is allocated across US states when you change state between grant and vest. Workday-fraction method, IRS guidance, CA + NY + 14-state grid.

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State Tax

RSU Trailing State Tax Explained: CA + NY After You Move

When you sell RSUs after moving states, your former state may still claim the W-2 portion. Learn CA FTB Pub 1004 + NY 14-day rule + Form 540NR / IT-203 filing.

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State Tax

2026 State Tax Ranking: Biggest Movers

Which states improved the most in tax competitiveness for 2026? Rate cuts, new flat taxes, and expanding no-income-tax states are reshaping the state tax landscape.

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State Tax

How State Income Tax Works

Progressive vs flat vs no state income tax — how state tax systems differ, how state tax interacts with federal, and the impact of the SALT deduction cap.

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State Tax

Moving to a No-Income-Tax State: Is It Actually Worth It?

Explore whether relocating to one of the 9 states with no income tax truly saves money — considering property taxes, sales taxes, cost of living, and remote work tax complications.

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State Tax

States That Changed Tax Rates in 2026

Which states cut or restructured income tax rates effective 2026? Iowa, Georgia, Mississippi, and others continue phased reforms. See the impact on take-home pay by state.

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State Tax

Moving to a New State? Here Is How It Affects Your Taxes

Understand the tax implications of moving between states, including partial-year residency rules, remote work taxation, and no-income-tax state strategies.

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State Tax

Property Tax by State: How It Works, Rates, and Exemptions (2025)

A complete guide to property taxes in the US: how assessed value and mill rates work, which states have the highest and lowest property taxes, and the exemptions that can reduce your bill.

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State Tax

States With No Income Tax: The Complete Guide

Explore all 9 U.S. states with no income tax, learn what they tax instead, and understand the hidden costs and trade-offs of living in a no-income-tax state.

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Last updated June 25, 2026 Tax year 2025-26

Data sources: IRS (irs.gov), Social Security Administration

This tool is general information only, not financial advice.

Reviewed by USTax Tools Editorial Desk

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