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About me

William (Bill) F. Tri has lived most of his life in the Everett, Washington area. Bill graduated from Cascade High School in Everett in 1974. He went on to graduate from Western Washington University (BA-Political Science) where he was also a member of the varsity football, basketball and track teams. Bill received his law degree from Seattle University in 1984, graduating with honors (cum laude) and was a member of the Law Review. He then worked for a year as a law clerk for a Snohomish County Superior Court Judge and then for another year as a law clerk for a Washington State Court of Appeals Judge. Bill then began private practice with Jelsing, Tri, West & Andrus, PLLC, and has been a member of the firm ever since.

Bill has over 25 years of experience as a trial lawyer. His practice has always been primarily in personal injury and family law matters. He has conducted numerous mediations, arbitrations, trials and appeals. Bill has obtained millions of dollars for his personal injury clients in cases involving vehicle accidents, wrongful deaths, and premises liability. Bill always gives a free consultation on injury cases and if there is no recovery of money damages for a client, then there is no attorney fee owed by the client.


Bill is an Eagle member of the Washington State Association of Justice. He has served on several Washington State Bar Committees and the Snohomish County Children’s Commission. Bill remains active in numerous sporting activities and has coached many community youth sports teams.

Bill is married and has three children. He and his family live in Lake Stevens, Washington.


Photos and videos

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Practice areas


  1. Personal Injury: 60%
    31 years
  2. Family: 40%
    31 years



Free consultation (60 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • Michael S. Waddington

    I endorse William. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military law Attorney
    Relationship: Fellow lawyer in community

  • Kenneth Joseph Schneider

    I went through a nasty divorce recently. Mr. Tri's representation was critical in getting my wife and I to a point of being able to settle on an agreement that we could both live with prior to trial. He did a great job representing me and I was very happy with the result.


    Kenneth Schneider Chapter 7 bankruptcy Attorney
    Relationship: Worked together on matter

Contact info

2926 Colby Ave
Everett, WA, 98201-4011


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Work experience
TitleCompany nameDuration
PartnerTri, West & Andrus, PLLC1986 - Present
Association namePosition nameDuration
Washington State Association of JusticeEagle MemberN/A
School nameMajorDegreeGraduated
Seattle Pacific UniversityN/AN/A1984