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Meet Our Attorneys


John Guth


Penny Changaris


Amy E. Byrne




Combining over 80 years of legal experience, we provide estate planning, probate, trust administration, conservatorship, and special needs trust services to clients in the Yuba City and Roseville areas, as well as throughout California. We have dedicated our practice to helping clients solve problems in these areas so that you can have peace of mind about your future and the future of your children and loved ones.

Both John and Penny are certified specialists in estate planning, trust and probate law by the Board of Legal Specialization of the State Bar of California — John since 1990 and Penny since 2012. John has also received the highest rating (AV) by the Premier Attorney rating Service, Martindale-Hubbell, and has frequently spoken at the Yuba Sutter Bar Association meeting and to other organizations. To learn more about each attorney, please click on the links below or the attorney’s photograph:

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Our Offices
  • Yuba City Office
    474 Century Park Drive
    Suite 300
    Yuba City, California 95991
    Phone: 530-674-9841
    Fax: 530-674-7818
  • Roseville Office
    919 Reserve Drive
    Suite 118
    Roseville, California 95678
    Phone: 916-774-7030