RSUPlanningDesk estimates the combined federal, state, and payroll tax on an RSU vest, then compares it with typical withholding, for 10 states and 5 vest sizes. Pick a state to see every covered vest size, or open a vest-size page directly for the worked numbers and a prefilled link into the calculator.
| State | Top marginal rate | Vest sizes covered |
|---|---|---|
| California | 13.3% | 5 |
| Washington | 0% | 5 |
| New York | 10.9% | 5 |
| Texas | 0% | 5 |
| Massachusetts | 9% | 5 |
| New Jersey | 10.75% | 5 |
| Illinois | 4.95% | 5 |
| Colorado | 4.4% | 5 |
| Georgia | 5.39% | 5 |
| Florida | 0% | 5 |
Machine-readable version: /data/by-state.json (as of 2026-09-26).
IRS: 2026 federal income tax brackets www.irs.gov
Social Security Administration: 2026 wage base www.ssa.gov
IRS: Additional Medicare Tax www.irs.gov
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