Michael James Amthor

Michael Amthor is an experienced Brentwood estate planning attorney with more than 30 years of California legal experience, including 16 years serving as a Judge Pro Tem for the Contra Costa County Superior Court. He helps individuals, families, and business owners with estate planning, probate, trust administration, wills, living trusts, powers of attorney, and family law throughout Brentwood, California, Contra Costa County, and the greater East Bay.

In addition to his expertise in trusts, wills, powers of attorney, and advance healthcare directives, Michael is experienced in Medi-Cal planning, which is a critical area of law undergoing major changes in 2026. His guidance can help protect your assets from nursing home costs and ensure long-term eligibility.  Michael also brings substantial courtroom experience, routinely handling probate and trust administration with clarity and practical guidance. Clients appreciate his ability to simplify complex legal issues and deliver solutions tailored to their needs. Active in the community, Michael is a member of Rotary International and a dedicated Meals on Wheels volunteer. Whether serving high-net-worth families, Michael provides compassionate, strategic, and experienced counsel to preserve your legacy.