Joel P. Gumbiner

Attorney Profile

Top Rated Insurance Coverage Attorney in San Rafael, CA

Williams & Gumbiner LLP
 | 1010 B Street, Suite 200
San Rafael, CA 94901
Phone: 415-755-1880
Fax: 415-419-5469
Selected To Super Lawyers: 2008 - 2020
Licensed Since: 1983
Practice Areas:
  • Insurance Coverage (70%),
  • Construction Litigation: Business (30%)
    Attorney Profile

    Joel P. Gumbiner is a partner at Williams & Gumbiner LLP in Marin County, California, just north of San Francisco. Mr. Gumbiner has more than three decades of experience in the areas of insurance and bad faith insurance law and coverage and has represented a diverse group of individuals, commercial and government entity clients throughout the state of California and western states. He has represented policyholders in trials, appeals and in mediations and arbitrations.

    Mr. Gumbiner graduated from the University of San Francisco School of Law where he belonged to the McAuliffe Honor Society, served as articles editor of USF law review and received an American Jurisprudence award among others. He has been admitted to practice law in the state of California since 1983.

    Over the course of his career, Mr. Gumbiner has achieved dozens of 7 and 8 figure results for his clients in insurance coverage and bad faith litigation and arbitrations. He has also served as a court appointed mediator, discovery facilitator and arbitrator in the superior courts of both Marin County and San Francisco.  Mr. Gumbiner serves as Appraiser or Umpire in first party property insurance Appraisal proceedings and is certified to serve in those roles by the Insurance Appraisers and Umpires Association.

    Outside of his law practice, Mr. Gumbiner is active in his community. He has coached multiple youth sports and, for the past 12 years, has coached his local high school Mock Trial team.  He has served on serval boards including stints as chairman of a religious school board of trustees at Congregation Rodef Sholom and as president of the Central Marin Pop Warner Football Association.  He is also active in the Marin County Bar Association and served on the Board from 2007 to 2015 and as President in 2013.

    Practice Areas
    • 70%Insurance Coverage
    • 30%Construction Litigation
    Focus Areas

    Insurance, Bad Faith Insurance


    Selected to Super Lawyers for 13 yearsbottom-image

    Super Lawyers: 2008 - 2020

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    About Joel Gumbiner

    Admitted: 1983, California

    Professional Webpage:


    • American Jurisprudence Award
    • Law Review Comment of the Year Award
    • Northern California’s Super Lawyers, 2008

    Bar/Professional Activity:

    • Member, McAuliffe Honor Society
    • California, 1983
    • Marin County Bar Association President, 2013
    • Marin County Bar Association, Board of Directors

    Pro bono/Community Service:

    • Board of Congregation Rodef Sholom in Marin County
    • Marin County Courts - Discovery Facilitator 
    • President, Central Marin Pop Warner Football organization
    • Board of the Central Marin Pop Warner Football organization
    • Chairman, Religious School Board of Trustees

    Scholarly Lectures/Writings:

    • Articles Editor, USF Law Review


    • Garvey v. State Farm

    Industry Groups

    • American Bar Association
    • Marin County Bar Association
    • San Francisco Trial Lawyers Association
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    Office Location for Joel P. Gumbiner

    1010 B Street
    Suite 200
    San Rafael, CA 94901

    Phone: 415-755-1880

    Fax: 415-419-5469

    Joel P. Gumbiner:

    Last Updated: 3/3/2020

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