Wash. Rev. Code § 35.99.040
(1) A city or town shall not adopt or enforce regulations or ordinances specifically relating to use of the right-of-way by a service provider that:
(2) Nothing in this chapter, including but not limited to the provisions of subsection (1)(d) of this section, limits the authority of a city or town to regulate the placement of facilities through its local zoning or police power, if the regulations do not otherwise:
[ 2000 c 83 s 4.]