Sales tax resources and information

Hands-on tools, tax checklists, and expert-researched guides to help you answer business sales tax questions.

Learn about sales tax automation

Introducing our Sales Tax Automation 101 series. The first installment covers the basics of sales tax automation: what it is and how it can help your business.

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Our tax compliance guide for businesses is here

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What is sales tax?

Consumers pay sales tax on top of, and at a certain percentage of, the sales price of the taxable goods and services they buy.

Learn what’s taxable

Sellers calculate sales tax and collect it from customers based on sourcing. Does your state use destination-based, origin-based, or a hybrid?

Learn about sourcing

States and other localities can collect sales tax and their definitions of remote sales and what establishes nexus can vary.

Map view of nexus laws


Read answers to frequently asked questions and see proven steps to getting sales tax right. 

Read FAQ

Free Avalara sales tax tools
Download free rate tables

Get our sales tax rate tables for every ZIP code in the U.S. Choose by state, or select them all.

Learn where to file

Find state-by-state details on how to determine nexus for your business, whether you have a physical storefront, sell online, or both.

Tax rate lookup tool

Need to figure out a tax rate for just one location?

Get sales tax filing guides by state

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