What are the highest, lowest and average tax rates in Washington? How many rate classes are there?
A. There are a total of 40 rate classes. In 2009, employers in the lowest rate class may pay as little as 0.35 percent, which equates to a maximum of $125 per employee per year. Employers in the highest rate class pay 6 percent, which equates to a maximum of $2,142 per employee per year. The average rate in Washington is about 1.77 percent, or $632 per employee per year.