TACOMA, Wash. – It seems like common sense, but Washington finally has a law to help landlords remove squatters from their property – without going through the lengthy eviction process.
Washington State HB 5388 http://lawfilesext.leg.wa.gov/biennium/2017-18/Pdf/Bills/Senate%20Passed%20Legislature/5388-S.PL.pdf#page=1
Source: New state law helps landlords to remove squatters | KOMO