State & local taxes
State income tax types, no-tax states, flat-tax states, disability and paid-leave payroll taxes, and local income taxes.
Calculators
Guides
Flat Tax States 2026: Rates and Take-Home Impact
Fourteen states use a single flat income tax rate in 2026, ranging from 2.5% in Arizona to 5% in Massachusetts. Rates and take-home examples from official data.
Highest State Income Tax Rates 2026
California's 12.3% tops the nation for wage earners in 2026. Here are the 11 states where top income tax rates exceed 6%, with official bracket data.
Local Income Taxes Explained (2026)
Some cities and counties add a local income tax on top of state and federal taxes. NYC, Philly, Indiana counties, Detroit, and more — how each works in 2026.
Moving to a No-Income-Tax State: Take-Home Savings
Moving from California to Texas on $80,000 saves about $4,100 per year in state taxes. Engine-computed comparisons, part-year rules, and what's not modeled.
Paid Family Leave Payroll Taxes 2026
Eleven states deduct paid family and medical leave premiums from paychecks in 2026. Rates, wage bases, and annual caps from official sources, state by state.
State Disability Insurance (SDI) Explained
Five states withhold State Disability Insurance from paychecks in 2026 — CA, HI, NJ, NY, and RI. Rates, wage bases, and annual maximums from official data.
States With No Income Tax in 2026
Nine states — AK, FL, NH, NV, SD, TN, TX, WA, and WY — tax no wages in 2026. See what each taxes instead and what payroll deductions still apply.
Working in One State, Living in Another
Work in one state, live in another? Reciprocity agreements, credits for taxes paid, and New York's convenience-of-the-employer rule — explained for 2026.