RCW 7.40.030: Malicious erection of structure may be enjoined.

An injunction may be granted to restrain the malicious erection, by any owner or lessee of land, of any structure intended to spite, injure or annoy an adjoining proprietor. And where any owner or lessee of land has maliciously erected such a structure with such intent, a mandatory injunction will lie to compel its abatement and removal.