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About me

James’ practice focuses exclusively on family law litigation and mediation, although he has represented parties in a wide variety of commercial litigation matters throughout his legal career.  He is an experienced litigator, having tried cases in both State and Federal Court.  James assists clients with complex marital dissolutions, including those of high net worth individuals, often involving business valuations and estate issues.  James favors a team approach, which is client-centered and cost-effective.


James is an experienced family law mediator and assists parties through mediation and arbitration to resolve their disputes.  James is also trained and experienced in Collaborative Law.


Practice areas


  1. Family: 90%
  2. Mediation: 10%



Hourly ($300/hour)

Payment types:

Cash, Check, Credit card

Attorney endorsements

9 total 

Are you an attorney? Endorse this lawyer

  • Matthew D Taylor

    I endorse this lawyer. James is an amazing advocate for his clients and a skilled mediator.


    Matthew Taylor Family Attorney
    Relationship: Fellow lawyer in community

  • Jonathan Blake Hilty

    I endorse James McGuire. James is a skilled family law attorney and mediator. He is well respected in the legal community for both his strong advocacy and ability to successfully mediate cases. I readily endorse his work.


    Jonathan Hilty Divorce and separation Attorney
    Relationship: Opposing Counsel on matter

Contact info

McGuire Law & Mediation

Two-Union Square 601 Union St
Suite 5305
Seattle, WA, 98101


CANot Eligible to Practice Law (Not Entitled)199905/24/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Super LawyerWashington Law & Politics Magazine2012
Super LawyerWashington Law & Politics Magazine2011
CALI Excellence for the Future Award - Constitutional LawCenter for Computer-Assisted Legal Instruction1998
Work experience
TitleCompany nameDuration
AttorneyMcGuire Law & Mediation2014 - Present
AttorneyHillis Clark Martin & Peterson P.S.2012 - Present
PartnerMoschetto Koplin McGuire2007 - Present
Adjunct InstructorHighline Community College2004 - 2005
PartnerOlympic Law Group2004 - 2007
Adjunct ProfessorCalifornia State University, Los Angeles2000 - 2002
Associate AttorneySchuler & Kessel2000 - 2001
Associate AttorneyZimmerman & Kahanowitch1999 - 2000
Association namePosition nameDuration
King County Coalition Against Domestic ViolenceMember2013 - Present
King County Bar AssociationMember2003 - Present
State Bar of CalifornaiaMember1999 - Present
Washington State Bar AssociationMember1998 - Present
Tulalip Tribal Bar AssociationN/AN/A
QLaw- GLBT Bar Association of WashingtonBoard MemberN/A
QLaw- GLBT Bar Association of WashingtonMemberN/A
King County Bar Association, Domestic Violence ClinicMemberN/A
Legal cases
Case nameOutcome
In Re Marriage of Pennamen, 135 Wash. App. 790, 146 P.3d 466 (2006)N/A
See all legal cases 
School nameMajorDegreeGraduated
Seattle University School of LawN/AJD - Juris Doctor1998
California State University, Los AngelesBusiness Administration - FinanceBS - Bachelor of Science1995
Speaking engagements
Conference nameTitleDate
Taxes: Marriage Equality vs. Federal DOMATaxes: Marriage Equality vs. Federal DOMA2013
Modern Family: Assisted Reproductive TechnologyAssisted Reproductive Technology2013
CLEDealing with A Rambo Litigator in Divorce2013
Fall CLE ConferenceValuation and Distribution of Non-Transferable Limited Partnership and Other Business Investment Entities and Interest2012
Financial Divorce Settlements from Start to FinishFinding, Valuing and Dividing Other Assets and Debts2011
Settling the Score: Money Matters in DivorceGrace Under Fire: Upholding Ethical Standars in Difficult Situations2008
King County Bar Association 5th Annual Ethics WorkoutEthics & Professionalism in Family Law Discovery Practice2008
Litigation Case Management: Best Practices for ParalegalsImplementing Structured Management Procedures2007