Disaster Relief: Revenue will work with businesses that cannot file or pay their taxes on time due to recent wildfire damage or other natural disasters. Learn more about disaster relief.
Ayuda por desastres: El Departamento de Ingresos trabajará con las empresas que no puedan presentar o pagar sus impuestos a tiempo debido a los daños causados por incendios forestales u otros desastres naturales. Conozca más sobre la ayuda en caso de desastre.
Starting Oct. 1, 2025, custom website development services are subject to Washington retail sales tax. If you sell these services in Washington, you must collect and submit sales tax.
“Custom website development services” mean the design, development, and support of a website provided by a website developer to a customer. Website consulting and training services that support the functionality and operation of a website are also subject to sales tax as website development services.
Custom website development services also include services that are performed for new and existing websites.
These services do not include web hosting or domain name registration services.
For detailed scenarios and examples, review our Custom Website Development Interim Guidance.
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