Wash. Rev. Code § 18.180.035
(1) A process server required to register under RCW 18.180.010(1) or exempt from registration under *RCW 18.180.010(2) (a), (c), or (d) shall be allowed to charge and collect the following fees in civil actions, suits, and proceedings for each service assignment delivered to the process server for service:
[ 2007 c 121 s 2.]
*Reviser's note: RCW 18.180.010 was amended by 2010 c 108 s 1, deleting subsection (2)(d).