Wash. Rev. Code § 60.64.010
The keeper of any hotel, boarding house or lodging house, whether individual, partnership or corporation, has a lien upon, and may retain, all baggage, sample cases, and other property, lawfully in the possession of a guest, boarder, or lodger, brought upon the premises by such guest, boarder, or lodger, for the proper charges due from him or her, on account of his or her food, board, room rent, lodging and accommodation, and for such extras as are furnished at his or her request, and for all money and credit paid for or advanced to him or her; and for the costs of enforcing such lien; and said hotel keeper, inn keeper, lodging house keeper or boarding house keeper, shall have the right to retain and hold possession of such baggage, sample cases and other property until the amount of such charges and moneys be fully paid, and to sell such baggage, sample cases, or other property for the payment of such lien, charges and moneys in the manner provided in RCW 60.64.040; and such baggage, sample cases and property shall not be subject to attachment or execution until such lien and storage charges and the cost of satisfying such lien are fully satisfied: PROVIDED, HOWEVER, That if any baggage, sample cases, or property becoming subject to the lien herein provided for does not belong to the guest, boarder or lodger who incurred the charges or indebtedness secured thereby at the time when such charges or indebtedness shall be incurred, and if the hotel, inn, boarding house or lodging house keeper entitled to such lien receives actual notice of such fact at any time before the sale of such baggage, sample cases or property hereunder, then and in that event such baggage, sample cases and property which are subject to said lien and do not belong to said guest, boarder or lodger at the time when such charges or indebtedness shall be incurred, shall not be subject to sale in the manner herein provided, but the same may be sold in the manner provided by law for the sale of property under a writ of execution to satisfy a judgment obtained in any action brought to recover the said charges or indebtedness. A guest, within the meaning of this chapter and chapter 19.48 RCW, includes each and every person who is a member of the family of, or dependent upon, a guest, boarder or lodger, in such hotel, inn, boarding house or lodging house, and for whose support such tenant, guest, boarder or lodger is legally liable.
RCW 60.64.010