Unsure where you owe sales or use tax
Run Your Nexus Risk CheckBusinesses that sell products or services into Seattle, Washington may trigger economic nexus if their total sales into Washington exceed the state threshold. Washington enforces a statewide economic nexus rule. Once a remote seller exceeds this threshold, the business must register for Washington sales tax and begin collecting tax on taxable transactions shipped to customers in Seattle and other Washington jurisdictions.
Economic nexus applies to ecommerce sellers, SaaS companies, marketplace sellers, and other remote businesses delivering goods or services into Washington.
| State | Revenue Threshold | Transaction Threshold | Measurement Period |
|---|---|---|---|
| Washington | $100000 | None | Current or previous calendar year |
If a remote business exceeds $100000 in total sales into Washington during the Current or previous calendar year, economic nexus is established and sales tax collection becomes mandatory.
Seattle applies local sales taxes in addition to the Washington state sales tax. Once economic nexus is triggered, remote sellers must collect the combined state and local tax rate applicable to transactions delivered to customers in Seattle. Washington uses destination based sourcing for remote sellers. This means the tax rate applied is based on the customer's shipping address in Seattle.
Tracking nexus exposure across multiple states can become complex as businesses grow. Companies selling into Seattle must track rolling revenue totals, monitor transactions, and evaluate economic nexus thresholds in Washington and every other state where they operate. TaxMap analyzes sales data, applies state nexus rules, and identifies where businesses may have triggered tax obligations.