Maybe soon. Current Washington State law is that a fifth DUI within 10 years is a felony. There was a proposal the 2015 legistative session to make a ‘fourth DUI a felony, but it failed. See story http://www.komonews.com/news/local/Bill-would-make-4th-offense-DUI-a-felony-in-Wash-state-289354051.html