Sales tax now applies to some services

Starting October 1: Some business services are now subject to retail sales tax, as required by state law, ESSB 5814. When you buy these services, vendors should add sales tax to your bill. If you sell these services, you should begin collecting retail sales tax. Learn more about Services newly subject to retail sales tax.

Filing due dates

It's important to know when your taxes need to be filed. Here you can check your filing due dates to make sure your tax return gets in on time.

Excise tax returns

Electronic funds transfer (EFT)