PDFRCW 19.150.020
Lien on personal property.
The owner of a self-service storage facility and his or her heirs, executors, administrators, successors, and assigns have a lien upon all personal property located at a self-service storage facility for rent, labor, late fees, and costs of the sale, present or future, incurred pursuant to the rental agreement, and for expenses necessary for the preservation, sale, or disposition of personal property subject to this chapter. The lien may be enforced consistent with this chapter. However, any lien on a motor vehicle or boat which has attached and is set forth in the documents of title to the motor vehicle or boat shall have priority over any lien created pursuant to this chapter.