No, but they do have to be registered.
Visit Mighty Process Server's Become a Process Server page for more information about what it takes to start a new Process Serving company in the State of Washington.
Please note that lobbyists are active in Washington and laws concerning civil procedure and process serving can change. Therefore the information listed below may have been amended. For updated process serving legislation, please visit the Washington Judiciary and Courts website.
Rule 4 Process
(a) Summons - Issuance.
(b) Summons.
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