State Spotlight: Washington Published July 19, 2023 by Kathy DeHart 0 Do you own a business in Washington? Here’s some helpful information and links. Washington does not have state income tax. You can find additional information here. Washington does not have any reciprocity agreements with any other states. Child Support Information for Employers Department of Labor & Industries New Hire Reporting Business Power of Attorney Form Department of Revenue Unemployment Information for Employers Workers Compensation Information for Employers Kathy DeHart Published in Payroll, States and Tax State SpotlightState Spotlight: WashingtonWashington Child SupportWashington Department of LaborWashington Department of RevenueWashington New HireWashington Power of Attorney FormWashington ReciprocityWashington StateWashington State Income Withholding TaxWashington UnemploymentWashington Workers Compensation