How Washington state tax withholding works
Washington has no state individual income tax, so your employer does not withhold any state income tax from your paycheck. Only federal income tax (and FICA — Social Security and Medicare) comes out. There is no Washington withholding certificate to file — you complete the federal Form W-4 and nothing more at the state level.
Washington does tax certain investment income (long-term capital gains), but this does not affect wage withholding from your paycheck.
Use the calculator above to dial in your federal withholding and get the exact W-4 entries to break even — that’s the only withholding Washington workers need to manage.
Washington vs. federal withholding
Your Washington and federal withholding are figured separately. Federal withholding follows the IRS Publication 15-T tables and your Form W-4; Washington adds nothing on top. Getting one right doesn’t guarantee the other — this calculator handles both so you don’t owe a surprise bill to either the IRS or Washington.
Important Washington notes
- Washington has no tax on wage income; it taxes only certain long-term capital gains. No state income tax is withheld from wages.
Frequently asked questions
Sources & disclaimer
Federal figures use the 2026 IRS Publication 15-T.
This tool provides estimates for educational purposes and is not tax advice. Verify against your pay stub and consult a qualified tax professional before submitting your W-4.