Wash. Rev. Code § 58.17.010
The legislature finds that the process by which land is divided is a matter of state concern and should be administered in a uniform manner by cities, towns, and counties throughout the state. The purpose of this chapter is to regulate the subdivision of land and to promote the public health, safety and general welfare in accordance with standards established by the state to prevent the overcrowding of land; to lessen congestion in the streets and highways; to promote effective use of land; to promote safe and convenient travel by the public on streets and highways; to provide for adequate light and air; to facilitate adequate provision for water, sewerage, parks and recreation areas, sites for schools and schoolgrounds and other public requirements; to provide for proper ingress and egress; to provide for the expeditious review and approval of proposed subdivisions which conform to zoning standards and local plans and policies; to adequately provide for the housing and commercial needs of the citizens of the state; and to require uniform monumenting of land subdivisions and conveyancing by accurate legal description.
RCW 58.17.010
Reviser's note: Throughout this chapter, the phrase "this act" has been changed to "this chapter." "This act" [1969 ex.s. c 271] also consists of amendments to RCW 58.08.040 and 58.24.040 and the repeal of RCW 58.16.010 through 58.16.110.
Severability-1981 c 293: "If any provision of this act or its application to any person or circumstance is held invalid, the remainder of the act or the application of the provision to other persons or circumstances is not affected." [ 1981 c 293 s 16.]