John A. Hartog

Top rated estate planning & probate attorney in Orinda, California

Hartog, Baer, Zabronsky & Verriere
John A. Hartog
Hartog, Baer, Zabronsky & Verriere

Practice Areas: Estate planning & probate, Tax; view more

Licensed in California since: 1979

Education: University of California Hastings College of the Law

Selected to Super Lawyers: 2005 - 2023

Hartog, Baer, Zabronsky & Verriere

4 Orinda Way
Suite 200-D
Orinda, CA 94563 Visit website


Attorney John A. Hartog is a partner and principal with the Hartog, Baer, Zabronsky and Verriere APC law firm in Orinda, California. Certified as a specialist in estate planning, trust and probate law, as well as taxation law, Mr. Hartog brings more than 39 years of experience to his clients who have needs involving estate planning, trust and probate administration, estate taxation, estate and trust contests and litigation, and other related matters.

In addition to his trial practice, Mr. Hartog is also a highly trained mediator who seeks to help his clients resolve their disputes and find solutions to their issues as efficiently and cost-effectively as possible. He also regularly serves as counsel to beneficiaries and fiduciaries, providing invaluable insight and support to them as they carry out their roles during estate and trust administration.

After graduating cum laude from Pomona College in 1974, Mr. Hartog attended the University of California Hastings College of the Law, where he obtained his Juris Doctor in 1979. In 1984, he received his LL.M. in taxation from the Golden Gate University School of Law. He also practices before the Supreme Court of California, the U.S. Tax Court, the U.S. Court of Appeals for the 9th Circuit, and both the District of Columbia Court of Appeals and the New York State Court of Appeals.

Throughout his career, Mr. Hartog has earned numerous awards and honors for his professionalism and service. For the past 10 years, he has received recognition from The Best Lawyers in America, and for three consecutive years, Worth magazine voted him among "America's Top 100 Lawyers."

Widely regarded as a leader in his field, Mr. Hartog has numerous publications to his credit. He currently serves as lead consulting editor for the Matthew Bender Practice Guide: California Trust Litigation, and he has also conducted lectures and seminars across his region on a variety of legal topics related to trusts and estates law.

A consummate professional, Mr. Hartog maintains an active presence in many local, state and national bar associations, including serving as past chair of The State Bar of California Trusts and Estates Section Executive Committee and the Board of Legal Specialization, Estate Planning, Trust and Probate Law Advisory Commission. He is also a member of the American Bar Association's taxation, real property, and probate and trust law sections, among his other affiliations.

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Practice areas

Estate planning & probate, Tax: consumer

Focus areas

Estate planning, Probate & estate administration, Trusts, Wills, Tax law

  • 70% Estate planning & probate
  • 30% Tax: consumer

First Admitted: 1979, California

Professional Webpage:

Special Licenses/Certifications:
  • Certified Specialist, Estate Planning, Trust Law and Probate, California Board of Legal Specialization, Certified Specialist, Taxation Law, California Board of Legal Specialization Admitted to New York Bar; Admitted to District of Columbia Bar
Scholarly Lectures/Writings:
  • A six-volume treatise with forms for estate planning., Co-Author and Editor, California Wills & Trusts, Matthew Bender Lexis/Nexis
  • Executive Editor of the California Trusts & Estates Quarterly, the journal of the Trusts & Estates Section of the California State Bar
  • Lecturer at the University of California, Berkeley Law School (Boalt Hall) where he taught “Wills and Trusts”
  • A one-volume treatise for trust administration professionals., Co-Author, California Trust Practice, Matthew Bender Lexis/Nexis
  • A one volume practice guide entitled California Trust Litigation, published by Matthew Bender in 2011 as part of it Practice Guide series., Lead, Consulting Editor, Matthew Bender & Co., Legal, 2011
Bar/Professional Activity:
  • New York State Court of Appeals
  • Contra Costa County Bar Association, Member
  • District of Columbia Court of Appeals
  • United States Tax Court
  • Ninth Circuit Court of Appeals
  • California Supreme Court
  • Tax Section and the Trusts & Estates Law Section of the State Bar of California
  • American Bar Association, Member
  • Former Chair (2006-2007) Trusts & Estate Section, State Bar of California Former Chair (1994-1995) Estate Planning, Trust Law & Probate Advisory Commission, California Board of Legal Specialization
  • Alameda County Bar Association, Member
  • Chair of the Estate Planning, Trust and Probate Law Advisory Commission to the Board of Legal Specialization of the California State Bar
  • Selected by Worth Magazine as one of “America’s Top 100 Lawyers” for three consecutive years
  • Selected to the Super Lawyers® Top 100 list by his peers for twelve consecutive years
  • Selected for inclusion in The Best Lawyers in America by his peers for ten consecutive years
  • Fellow of the American College of Trusts and Estates Counsel
Educational Background:
  • Pomona College, B.A., cum laude, 1974
  • Golden Gate University of Law, L.L.M. in Taxation, 1984

Office location for John A. Hartog

4 Orinda Way
Suite 200-D
Orinda, CA 94563

Phone: 925-253-1717

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