Washington State Tax Information
Looking for Washington state tax information? We provide the latest resources on state tax, unemployment, income tax and more.
Washington Department of Revenue
Employment Security Department
Withholding Requirements:
- Register as an employer by clicking here
- No withholding tax in Washington
- Withholding Method = N/a
- Supplemental Rate = N/a
Local Taxes
None
Washington State Tax: Unemployment Insurance (SUI)
Benefit ratio formula
Wage base is $37,300 for 2011, increases to $38,200 in 2012.
Rates range from 0.49% to 6.00% which include the Employment Administration Fund assessment of .03%.
New employers use average industry tax rate, but not less than 1.0%.
Workers' Compensation Tax
Tax is calculated as an hourly rate. A portion of this is withheld from each employee's check. The remainder is paid by the employer. The tax is based on risk classification of the job being performed. Visit the Department of Labor & Industries website for further information and for a complete list of rates.
State Disability Insurance (SDI)
None
State Labor Laws
Minimum Wage - $8.67, $9.04 per hour effective 1/1/12
Termination Pay - Fired/Quit - end of pay period.
New Hire Reporting
Employers must report hiring, rehiring, and return to work within 20 days on Form W-4, telephone, paper list, magnetic media, internet to:
State New Hire Reporting Program
ISSD Data Control
Employer Reporting Program
PO Box 9023
Olympia, WA 98507-9023
800-562-0479
800-782-0624 fax
To report online click here
Remit withholding for child support to
Office of Support Enforcement
DSHS Revenue Division
712 Pear Street SE
PO Box 9162, Mail Stop HJ-31
Olympia, WA
98507-9162
360-586-3520
To report online click here
Reciprocal States
None
For paycheck calculation visit the Washington Paycheck Calculator of PaycheckCity.
Payroll-Taxes.com is a free online resource featuring a compilation of research, collaboration and web tools for use by payroll professionals and more including information about Washington state tax, articles, federal tax information and state tax information.

state tax