RCW 60.70.020: Real property common law liens unenforceable—Personal property common law liens limited.

Nonconsensual common law liens against real property shall not be recognized or enforceable. Nonconsensual common law liens claimed against any personal property shall not be recognized or enforceable if, at any time the lien is claimed, the claimant fails to retain actual lawfully acquired possession or exclusive control of the property.