Wash. Rev. Code § 63.35.030
Before said personal property shall be sold, a notice of such 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 shall 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 shall be signed by the chief. If the owner fails to reclaim said property prior to the time fixed for the sale in such notice, the chief shall conduct said 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 such bid shall deliver the said property to such bidder.
RCW 63.35.030