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Bruce M. O'Brien

San Diego, CA

Trusted tax attorney serving San Diego.

2
Bar admissions

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Bruce M. O'Brien is an attorney based in San Diego, CALIFORNIA. The practice focuses on Tax and Trusts.

Based in
San Diego, CALIFORNIA
Experience
attorney
Known for
Tax · Trusts
  • Handles Tax and Trusts matters from San Diego, CALIFORNIA.
  • Recognized with Best Lawyers in America — Tax Law (2026).

About Bruce M. O'Brien: Bruce M. O'Brien is an attorney based in San Diego, CALIFORNIA. The practice focuses on Tax and Trusts.

Areas of practice

Practice focus

Bruce M. O'Brien represents clients in San Diego, California across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Bruce M. O'Brien

In his law practice, HFM Partner Bruce O’Brien’s focuses on all aspects of federal and state taxation, with a particular emphasis on tax controversies, partnerships, limited liability companies, and business planning.

Mr. O’Brien represents taxpayers before the Internal Revenue Service, Franchise Tax Board, and State Board of Equalization. He also represents clients before the United States Tax Court, and he is a certified specialist in Taxation Law.

Additionally, Mr. O’Brien’s practice includes handling estate planning, trusts and wills, and probate matters. He has prepared hundreds of estate plans, ranging from simple wills and trusts to complicated plans involving family limited partnerships, lifetime gifting programs, charitable trusts, and other sophisticated estate reduction techniques.

Mr. O’Brien has served on the Executive Committee of the Taxation Section of the State Bar of California, and he is a past chair of the Taxation Section of the San Diego County Bar Association. He is a co-founder and was the Chair of the Tax Court Pro Se Taxpayer Program in San Diego (1995-2004), which provides pro bono legal services to taxpayers in Tax Court who are not represented by counsel.

In addition, Mr. O’Brien has also served on numerous boards of civic and charitable organizations. He was a member of the inaugural Advisory Boards for the San Diego High School and Scripps Ranch High School Academies of Finance. He also served for ten years as a member of the Scripps Ranch High School Foundation Board of Directors.

Credentials

Education

  • University of San Diego

    LL.M. Taxation · 1986

  • University of Wisconsin–Madison

    J.D. · 1982

  • University of Minnesota Duluth

    B.A. · 1980

Jurisdictions

Bar admissions

  • Wisconsin, Admitted

    ACTIVE

  • California, Admitted

    ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Tax Law

    2026

  • Best Lawyers in America — Trusts and Estates

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Corporate Law

    2026

  • Best Lawyers in America — Litigation and Controversy - Tax

    2026

  • Best Lawyers in America — Special Focus:

    2026

  • Best Lawyers in America — Domestic and International Taxation, Including Tax Controversy and Trials

    2026

  • Best Lawyers in America — Estate Planning

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — San Diego Magazine "Top Lawyers," recognized by Martindale-Hubbell as an AV Preeminent Peer Review Rated Lawyer (2020)

    2026

Locations

Office locations

Main office

401 West A Street, Suite 2600

San Diego, California 92101

Open in Google Maps

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Client reviews

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Frequently asked

Common questions

  • What areas of law does Bruce M. O'Brien practice?

    Bruce M. O'Brien focuses on Tax and Trusts.

  • Where is Bruce M. O'Brien located?

    Bruce M. O'Brien primarily serves clients in San Diego, California, with an office at 401 West A Street, Suite 2600.

  • Is Bruce M. O'Brien a verified attorney?

    Bruce M. O'Brien's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Bruce M. O'Brien?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 619-236-1551.