2018 Seattle Payroll Tax, Washington Payroll Taxes, WA Payroll Tax Calculator

Seattle 2018 Payroll Tax - 2018 Washington State Payroll Taxes

Please refer to the table below for a list of 2018 Payroll Taxes (employee portion and employer portion) that are applicable to the city of Seattle in the state of Washington.

We offer software for Payroll that can help you calculate different types of payroll taxes. Please feel free to download a free demo from the link below, or visit our Payroll Software page for more details.


Some of the zip codes included are : 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108, 98109, and 98060. See below for a complete list of 2018 Payroll taxes for each zip code in Seattle city. For more information about Seattle 2018 payroll tax withholding please call this phone number: 360-902-9620.

List of 2018 Employee and 2018 Employer Payroll Taxes in Seattle


The list below includes 2018 payroll taxes applicable to the following zip codes: 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108, 98109, 98111, 98112, 98114, 98115, 98116, 98117, 98118, 98119, 98121, 98122, 98124, 98125, 98126, 98129, 98130, 98131, 98132, 98133, 98134, 98136, and 98060.

Federal Unemployment Insurance Tax

2018 Social Security Payroll Tax (Employer Portion)

Medicare Withholding 2018 (Employer Portion)

Washington Unemployment Insurance Tax

FEDERAL Withholding 2018

2018 Social Security Payroll Tax (Employee Portion)

Medicare Withholding 2018 (Employee Portion)


To contact the Seattle Department of Revenue please call 360-902-9620.

Our payroll software is QuickBooks compatible and can export payroll data to QuickBooks. For more information, please visit our Quick Books Payroll Software page.


Seattle City Payroll Tax Links

Tax: http://dor.wa.gov/content/home/

Unemployment Insurance: http://fortress.wa.gov/esd/portal/unemployment

Labor: http://www.lni.wa.gov/

New Hire: http://www1.dshs.wa.gov/newhire/

Workers Compensation: http://www.lni.wa.gov/



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