PDFRCW 35A.58.020
Alteration and vacation of plats.
The provisions of *chapters 58.11 and 58.12 RCW shall apply in appropriate cases to the alteration or vacation of plats including land or lots within a code city or the vacation of streets therein as provided in chapter 35.79 RCW. The vacation of waterways within a code city shall be governed by the provisions of **chapter 79.16 RCW.