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Mark Cassell

Mark Cassell

  • Family Law, Criminal Law, Divorce ...
  • Washington
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I practice primarily in the areas of family law and criminal defense. I believe in client-centered lawyering. I attempt to form a strong bond and relationship with each client. I believe that cases are a team effort between the firm and the client, where the client is the captain of the ship. I make sure each client is steered in the proper direction to obtain his/her goals. Each case and client is different, and with our help each client can achieve their goals, even in the most difficult of cases.

I earned my J.D. from the University of Denver Sturm College of Law in 2016, where I graduated with Academic Distinction (Top 10%). I graduated with the distinction of obtaining the highest grades in classes including Evidence, Evidence Practicum, and Family Law: The Divorce. Before earning my J.D., I graduated from the University of Washington with a B.S. in Chemical Engineering.

University of Denver
J.D. (2016)
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Top 40 under 40
National Trial Lawyers
Top 40 under 40
American Academy of Attorneys
Top Attorney - 10.0
Top Lawyer
American Law Society
Professional Associations
Washington State Bar Association
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National Trial Lawyers
Top 40 under 40
- Current
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Jurisdictions Admitted to Practice
Washington State Bar Association
ID Number: 51252
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  • Free Consultation
  • Credit Cards Accepted
Practice Areas
Family Law
Adoption, Child Custody, Child Support, Father's Rights, Guardianship & Conservatorship, Paternity, Prenups & Marital Agreements, Restraining Orders, Same Sex Family Law
Criminal Law
Criminal Appeals, Drug Crimes, Expungement, Fraud, Gun Crimes, Internet Crimes, Sex Crimes, Theft, Violent Crimes
Collaborative Law, Contested Divorce, Military Divorce, Property Division, Same Sex Divorce, Spousal Support & Alimony, Uncontested Divorce
Domestic Violence
Domestic Violence Criminal Defense, Domestic Violence Restraining Orders, Victims Rights , Victims Rights
  • English: Spoken, Written
Websites & Blogs
Twyford Law Office
About Mark Cassell
Contact us
Areas we serve
Meet the team
Family Law Blog
Contact & Map
Twyford Law Office - Seattle
814 2nd Ave
Seattle, WA 98104
Telephone: (206) 590-7085
Monday: 8:30 AM - 5 PM
Tuesday: 8:30 AM - 5 PM
Wednesday: 8:30 AM - 5 PM
Thursday: 8:30 AM - 5 PM
Friday: 8:30 AM - 5 PM
Saturday: Closed (Today)
Sunday: Closed