The 2025 Washington State Legislature passed Engrossed Substitute Senate Bill (ESSB) 5814, which added new business activities to the definition of retail sales.
||| FROM SAN JUAN COUNTY COMUNICATIONS |||
Beginning October 1, 2025, multiple Washington businesses will be subject to new retail sales taxes. The 2025 Washington State Legislature passed Engrossed Substitute Senate Bill (ESSB) 5814, which added new business activities to the definition of retail sales.
According to the Washington Department of Revenue (DOR), new business activities impacted by the tax include advertising services, live presentations, information technology services, custom website development services, investigation, security and armored car services, temporary staffing services, and sales of custom software and customization of prewritten software.
On its website, DOR is providing resources prior to the effective date of Oct.1, 2025 including Interim Guidance Statements (IGSs) for the new services. Find the statements here:
- Live presentations
- Custom Website Development Services
- DAS Exclusion Modifications
- Security Services
- IT Services
Additional resources, including more information about the tax, can be found on the DOR website: https://www.dor.wa.gov/taxes-
About the San Juan County Treasurer’s Office
The San Juan County Treasurer’s Office acts as the bank for the county, school districts, fire districts, special purpose districts, and other units of local government. The treasurer is also charged with the collection of various taxes that benefit a wide range of governmental functions. The department’s main office is located at 350 Court Street, Friday Harbor, WA 98250. For more information about San Juan County’s Treasurer’s Office, visit http://www.sanjuancountywa.
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