Matthew Zumstein


Matthew Zumstein is a partner in the Walnut Creek office of Lewis Brisbois and a member of the General Liability Practice. Matt is an experienced litigator who focuses his practice on civil litigation (with an emphasis on products and premises liability, construction defect, and business litigation.) He primarily represents business owners in all phases of litigation and pre-litigation alternative dispute resolution. 

Matt maintains a wide variety of cases, defending individuals and corporations in a variety of general liability lawsuits ranging in severity from soft issue injuries to wrongful death matters. Matt represents clients at all stages of litigation, from pre-litigation though mediation, arbitration, and trial, throughout California.

As a former prosecutor having taken over 50 cases to verdict, Matt knows how to handle juries when it comes to getting them to make a favorable decision for his clients while setting a high standard with regard to professional conduct, courtesy, and cooperation.


  • State Bar Admissions
    • California



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