RCW 89.30.667: Delinquency and sale in general improvement and divisional districts—Sale of land for delinquency.

The treasurer of the county in which the land is situated shall conduct the sale of all land situated therein and must collect the assessments due as shown on the delinquency list together with interest from the date of delinquency at the rate of twelve percent per annum, and the costs of sale.