Solution 1:

California Sales & Use Tax Table

Tax rates table by county, city and zip codes,
use it anyway you desire
Cost: $89.99 per year

Details
Solution 2:

California Sales Tax Genius

A web application provides REAL TIME sales tax rates for your online store
Cost: $0.08-0.10 per request

Details Signup
Solution 3:

Custom eCommerce Solution

Turn-key website with shopping cart and
California Sales & Use Tax API built-in
Cost: Custom Quote

Details Request a Quote
Board of Equalization
USPS Tiger USgeocoder

Not sure which sales & use tax solution works best for your business?

See feature comparison to get some clues. Or contact us for a FREE consultation! To learn more about how sales and use tax works in California, find your answers in Frequently Answered Questions.