We Do Not Collect Sales Tax for orders shipped to all States, except for Washington State.
For orders shipped to Washington State: Sales Tax is (supposed to be) based on the actual street address where the order will be shipped to (actual rate varies by location - sometimes even next-door neighbors will live in different tax jurisdictions).
The lowest sales tax rate in Washington State is 7.50%. So, for all orders shipped to Washington State we charge 7.50% and pay the total (actual) amount due to the tax collector.
For example, the sales tax rate in parts of Seattle is 10%. For orders shipped to Seattle, we will charge 7.50%, and pay the total amount of 10% (for this example) to the State.
Please be aware that your State may require that you report and pay a "Use Tax" for items purchased outside of your State and shipped to you, when you did not pay Sales Tax.
International Orders - Including Canadian Orders
We ship all International orders via UPS. UPS will collect any customs duties and fees, including any sales tax that might be due, upon delivery.