This guide to the Washington sales tax is perfect if you have a business and want to understand their tax system to avoid paying penalties.
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The Washington sales tax rate is between 6.5% and 10.4%. This comprises a base rate of 6.5% plus mandatory local rates up to 4%. Depending on the local sales tax jurisdiction, the total tax rate can be as high as 10.4%.
You can look up the full table of sales tax rates in each city and county in Washington. Here’s a snippet of the same:
There have been no recent changes to Washington's state or local sales tax rates. The state sales tax rate has remained at 6.5% since 1983. Local rates vary but have generally remained steady.
To calculate Washington sales tax, you can use the following formula:
Sales tax = (6.5% base rate + local rate) * purchase price
For instance, if the local rate is 3%, and the purchase price is $100, then the sales tax would be $9.50.
If the tax due is not paid by the last day of the month after the due date, a 19% penalty is imposed. If the tax is still unpaid by the last day of the second month after the due date, the penalty increases to 29%. The minimum late payment penalty is $5.
Destination-based sales tax states collect tax based on where the purchase is delivered, while origin-based states collect tax based on where the sale originated.
Washington is a destination-based sales tax state. Sales tax is collected based on where the purchase is delivered or shipped.
Washington became a Streamlined Sales Tax state on July 1, 2008.
The Streamlined Sales Tax Project (SSTP) aims to simplify sales tax collection across states that adopt its Streamlined Sales and Use Tax Agreement (SSUTA), and Washington joined the SSTP in 2008 and has implemented the SSUTA.
Yes, wholesalers in Washington still need a seller's permit, even if they are not making retail sales. Wholesale sales are subject to the state's business and occupation (B&O) tax.
Yes, even temporary or seasonal sellers in Washington need a seller's permit if they meet the sales tax nexus thresholds in WA. There are no exceptions for temporary selling.
When selling in Washington, you need to remember the products and services that are taxable and exempt from taxes in Washington to avoid penalties.
Most retail sales of tangible goods are taxable in Washington unless specifically exempted. Some taxable items include:
Some exemptions include:
Most grocery food and beverages are exempt from sales tax in Washington. However, prepared foods, soft drinks, alcohol, and dietary supplements are taxable.
Yes, all clothing and footwear are taxable in Washington unless specifically exempted.
Yes, digital products, including digital books, music, movies, and software, are taxable in Washington.
Yes, SaaS is considered a digital product and is taxable in Washington.
Generally no, only limited services are taxable in Washington such as lodging, construction, and physical fitness activities. Most professional and personal services are not taxable.
Washington has excise taxes on alcohol, tobacco, gasoline, marijuana, and other select items. Some examples:
Washington does not have a general sales tax on food and beverages. However, there are excise taxes on some specific items:
Remote sellers with no physical presence in Washington must collect sales tax if they meet the $100,000 economic nexus threshold for gross retail sales or 200 retail transactions.
Washington is also part of the Streamlined Sales Tax program, which requires remote sellers to collect sales tax.
Washington has the following prepaid sales tax rates for fuel:
In addition to the 6.5% state sales tax, cities, counties, and other districts in Washington can impose local discretionary sales taxes up to 3.9% for transportation, criminal justice, public facilities, culture, and other purposes. Local rates vary but can reach as high as 10.4% combined state and local.
Let’s look at the steps to collect sales tax in Washington now.
If you do not have nexus in Washington but make sales into the state exceeding $100,000 or 200 transactions annually, you meet the economic nexus threshold and are required to register and collect Washington sales tax.
Register for a seller's permit with the Washington Department of Revenue. Once registered, you must collect and remit sales tax on all taxable sales shipped into Washington, even if you do not have a physical presence.
Washington is also a Streamlined Sales Tax program member, which requires out-of-state sellers to collect Washington sales tax once registered.
Yes, if the product being shipped is taxable, then the shipping charges are also taxable in Washington. If shipping a non-taxable product, the shipping charges would not be taxable.
For orders with both taxable and non-taxable items, the shipping charges should be allocated proportionately between the taxable and non-taxable portions.
Businesses must file and pay Washington sales tax monthly, quarterly, or annually, depending on their assigned filing frequency. Sales tax returns are due on or before the last day of the month following the reporting period.
Take a look at the sales tax filing schedules divided by month, quarter and annual frequencies.
Businesses that fail to file their sales tax returns on time may be subject to penalties.
The due date for filing returns in Washington is the last day of the month following the period end date.
For instance, if you file quarterly and the filing period ends on March 31, your return filing due date will be April 30.
Similarly, for yearly billing where the filing period ends on December 31, you can file your taxes by January 31.
The due dates for filing sales tax returns in Washington are:
You can request an extension to file your Washington sales tax return. The request must be made before the due date, and you must still pay any owed tax on time.
You can file an amended return in Washington to correct errors or omissions. When filing an amended return, you may owe additional tax, interest, and penalties.
Washington has a 19% penalty for returns filed 1-30 days late. This increases to 29% for returns over 30 days late.
The audit & appeals process is a series of steps a business must go through if the Washington Department of Revenue audits them. The process begins with the auditor contacting the business to schedule an audit.
The auditor will then review the business's records and tax returns to determine if sales tax was not paid. If the auditor finds any discrepancies, they will report their findings.
The business then has the opportunity to appeal the findings. If the appeal is denied, the business can petition the Department or appeal to the Washington Superior Court.
The Washington sales tax audit process is as follows:
The auditor will review your books, records, accounting systems, and internal controls. They will examine your sales tax returns, transactions, and exemptions claimed. Expect to provide invoices, bank statements, tax returns, and other financial records.
Contesting audit findings with the auditor in Washington helps you:
If not satisfied, you can continue appealing up to Superior Court.
Here are the steps for registering for sales tax in Washington:
Visit the Washington business licensing wizard and follow the steps required to complete the filing.
You will need to provide the following information:
Once registered, you will be issued a sales tax account number and must collect and remit sales tax on taxable sales. You can use sales tax software or file manually.
If you are an online seller, you may be required to register for sales tax in Washington if you:
There is no fee to register for a standard Washington seller's permit. Certain business types may have additional fees.
You register for sales tax in Washington through the Department of Revenue. Some cities may require additional registration.
For sales tax filing and appeals in Washington, you would contact:
There you have it—an extensive sales tax guide for ecommerce brands selling into Washington.
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