In case any landowner fails to pay the judgment against his or her land or any installment thereof, when the same shall become due and payable, said judgment may be enforced by the trustee named in the decree in the manner provided by law for the enforcement of judgments in the superior court, and the costs of execution and sale shall be charged to the defaulting land.
RCW 87.56.190
Enforcement of judgments: Title 6 RCW.