Wash. Rev. Code § 77.130.020
Before the personal property shall be sold, a notice of such a sale fixing the time and place thereof which shall be at a suitable place, which will be noted in the advertisement for sale, and containing a description of the property to be sold must be published at least once in a newspaper of general circulation in the county in which the property is to be sold at least ten days prior to the date fixed for the auction. The notice must be signed by the director. If the owner fails to reclaim the property prior to the time fixed for the sale in such a notice, the director shall conduct the sale and sell the property described in the notice at public auction to the highest and best bidder for cash, and upon payment of the amount of the bid shall deliver the property to the bidder.
RCW 77.130.020