Businesses operating in Snohomish County, Washington face a combined sales tax rate of 10.5% in 2026. The 4% local rate is added to the 6.5% state base. Home to 830,000 residents, the county offers substantial commercial opportunities.
For a $500 purchase in Snohomish County, the sales tax would be $52.50, bringing the total to $552.50.
Business Compliance in Snohomish County
Businesses must register with the Washington State Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 830,000, Snohomish County offers significant market potential for businesses of all sizes.