Quadri-, quadru-, quadr-is a Latin prefix related to the verb quadrare âto make squareâ, quadratus âsquareâ etc. Quad is simply an English shortening of quadrangle, quadruplet etc. So quadri-and quad are actually the same word.
Washington does not allow local jurisdictions like cities or counties to collect a local sales tax. The Washington state sales tax of 6.5% is applicable statewide. You can view the sales tax rates for various cities in Washington here.
The 9.20% sales tax rate in Everett consists of 6.50% Washington state sales tax and 2.70% Everett tax. There is no applicable county tax or special tax. You can print a 9.20% sales tax table here. For tax rates in other cities, see Washington sales taxes by city and county.