First decide on a business structure WA as a Sole Proprietor, LLC/Corp, or Partnership.

Selling/Leasing or if wanting to buy or sell WA merchandise, food, equipment wholesale requires a Seller's Permit.

All WA Businesses Using a DBA doing business as name need a DBA Fictitious Business Name

Hiring WA Workers Requires a Federal EIN and a State Tax Number EIN

Sales/use tax changes(Effective January 1, 2021) 

Chelan County Sales and use tax within all of Chelan County will increase one-tenth of one percent (.001). The tax will be used for transportation services.

 Douglas County Sales and use tax within Douglas County PTBA will increase one-tenth of one percent (.001). The tax will be used for transportation services.The Washington (WA) state Sales Tax (get Seller's Permit) rate is currently 6.5%. Depending on local municipalities, the total tax rate can be as high as 9.9%.  

Other, local-level tax rates in the state of Washington are quite complex compared against local-level tax rates in other states.

What is retail Sales Tax (get Seller's Permit) ? Retail Sales Tax (get Seller's Permit) is Washington’s principal tax source.  

Businesses making retail sales in Washington collect Sales Tax (get Seller's Permit) from their customer.

Here is some more helpful information Generally, a retail sale is the sale of tangible personal property.  

It is also the sale of services such as installation, repair, cleaning, altering, improving, construction, and decorating.  

Other services include improving real or personal property, amusement and recreational activities, lawn maintenance, and physical fitness activities.

See Services Subject to Sales Tax (get Seller's Permit) for examples of retail services. Further, sales of digital products to consumers are retail sales.

Retail Sales Tax (get Seller's Permit) includes the state and local components of the tax.

Sales Tax (get Seller's Permit) amounts collected are considered trust funds and must be remitted to the Department of Revenue.

The seller is liable to the Department of Revenue for Sales Tax (get Seller's Permit) , whether or not it is collected.

Use tax is paid by the consumer when the retail Sales Tax (get Seller's Permit) was not collected by the seller/service provider.

Businesses that make a purchase for resale must provide a reseller permit to the seller. If not, the seller must charge the buyer retail Sales Tax (get Seller's Permit) on the total purchase.

Businesses also pay the retail Sales Tax (get Seller's Permit) on purchases of items for their own use (such as supplies or equipment) that will not be resold in the regular course of business.

Similarly, when a business purchases a retailing service for its own use, it must pay Sales Tax (get Seller's Permit) on the purchase.