No sales tax will be collected (except for shipment to a California address).
California residents living within Alameda county will be charged 8.75%. If you live outside of Alameda county but in the state of California, a 8.25% tax will be applied.
We will gladly credit sales tax for government institutions. Just fax us a copy of your Resale Certificate or Government tax-exemption form with an address matching that of your order's to 510-751-5309.