Zoning of areas proposed for annexation will be in accord with RCW 35A.14.340. In addition, public hearing notices will be mailed to property owners within three hundred feet of the exterior boundaries of the property to be annexed.

At its discretion and pending further study, consideration of the Franklin County comprehensive plan, and hearings, the city council, upon recommendation of the planning commission, may classify areas proposed for annexation as any zoning district; provided, that adequate public facilities exist or may be extended to serve the area according to the potential uses.