During the 2025 legislative session, Washington state leaders passed a $9.4 billion revenue package—the largest tax increase in state history. One of the most significant components, ESSB 5814, broadens the definition of “retail sales” to include several business services that were previously exempt from state retail sales tax.
Learn more about what’s changing directly from the Department of Revenue, and review their detailed FAQ on ESSB 5814 to understand how these updates may impact your business.
